OpenAI founded
OpenAI launches as a non-profit AI research company, unconstrained by a need to generate financial return.
2015
2017
Learning from human preferences
With DeepMind's safety team, an algorithm infers what humans want from which of two behaviors is better.
Proximal Policy Optimization (PPO)
A reinforcement learning algorithm that is simpler to tune, made OpenAI's default RL algorithm.
2018
GPT-1
Transformers plus unsupervised pre-training set state-of-the-art results across language tasks; system released.
2019
GPT-2
A 1.5B-parameter language model trained to predict the next word; only a much smaller model was released.
OpenAI LP
OpenAI creates a "capped-profit" company to raise capital for compute and talent while serving its mission.
OpenAI Five beats Dota 2 world champions
OpenAI Five beat world champion team OG, the first AI to beat esports world champions.
Microsoft invests $1B in OpenAI
Microsoft invests $1 billion and becomes OpenAI's exclusive cloud provider for Azure AI supercomputing.
2020
Scaling laws for language models
Loss scales as a power law with model size, dataset size and compute used for training.
GPT-3
A 175-billion-parameter language model that performs new tasks from a few examples, without fine-tuning.
OpenAI API
A general-purpose text-in, text-out API for OpenAI's models, available by access request.
2021
CLIP
A neural network that learns visual concepts from natural language and classifies images zero-shot.
DALL·E
A 12-billion parameter version of GPT-3 that generates images from text captions.
Anthropic founded with $124M Series A
Anthropic launches with a $124 million round to research steerable, interpretable and robust AI systems.
Codex
Codex, the model behind GitHub Copilot, translates natural language to code; private beta in the API.
Helpful, honest, harmless assistant
Anthropic studies aligning a general language assistant; ranked preference modeling beats imitation learning.
WebGPT
GPT-3 fine-tuned to answer open-ended questions more accurately using a text-based web browser.
2022
InstructGPT
Models trained with humans in the loop follow instructions better than GPT-3; now the API default.
RLHF for a helpful, harmless assistant
Preference modeling and RLHF finetune language models into helpful and harmless assistants.
DALL·E available in beta
DALL·E opens to 1 million people from the waitlist, with free monthly credits and paid credit packs.
Whisper
An open-sourced speech recognition model approaching human-level robustness and accuracy on English.
ChatGPT
A conversational model that answers followup questions, admits mistakes, and rejects inappropriate requests.
2023
Microsoft partnership extended
OpenAI and Microsoft extend their partnership.
ChatGPT Plus
A pilot subscription plan for ChatGPT is launched.
Claude and Claude Instant
Anthropic offers Claude and the lighter, faster Claude Instant through a chat interface and API.
GPT-4
Multimodal model accepting image and text inputs and emitting text, with human-level performance on various benchmarks.
ChatGPT plugins
ChatGPT gets initial plugin support to access up-to-date information, run computations, or use third-party services.
Claude's constitution
Anthropic publishes the principles it uses to train Claude with Constitutional AI.
100K context window
Claude's context window grows from 9K to 100K tokens, about 75,000 words, now available in the API.
ChatGPT app for iOS
The ChatGPT app syncs your conversations and supports voice input on iPhone.
$450M Series C
$450 million Series C led by Spark Capital, with Google and Salesforce Ventures taking part.
Function calling in the API
API models gain function calling, are more steerable, support longer context, and come at lower prices.
Claude 2
New model with a 100K token context window, available via API and the claude.ai beta in the US and UK.
Custom instructions for ChatGPT
Users set preferences that ChatGPT keeps in mind for all future conversations, with more control over responses.
Voluntary AI safety commitments
OpenAI and other leading labs reinforce AI safety, security and trustworthiness through voluntary commitments.
Frontier Model Forum
OpenAI helps form an industry body to promote safe and responsible development of frontier AI systems.
Claude Instant 1.2
A faster, lower-priced model with gains in math, coding, reasoning and safety, available through the API.
OpenAI acquires Global Illumination
The entire Global Illumination team has joined OpenAI.
ChatGPT Enterprise
A new ChatGPT plan with enterprise-grade security and privacy and the most powerful version of ChatGPT yet.
Claude Pro
A $20-a-month claude.ai plan with 5x more usage, priority access at peak times and early features.
Long-Term Benefit Trust
An independent five-member Trust with authority to elect and remove Anthropic board members.
Responsible Scaling Policy
A board-approved framework of AI Safety Levels (ASL) for managing catastrophic risks.
ChatGPT can see, hear and speak
ChatGPT can now see, hear and speak.
Amazon invests up to $4B
Amazon takes a minority stake and AWS becomes the primary cloud provider, training on Trainium and Inferentia.
DALL·E 3 in ChatGPT
DALL·E 3 is now available in ChatGPT Plus and Enterprise, with a safety mitigation stack for the wider release.
Preparedness team
OpenAI builds a Preparedness team and an approach to catastrophic risk, and launches a challenge.
GPT-4 Turbo
GPT-4 Turbo offers a 128K context window and lower prices, with a Vision version.
GPTs
Create custom versions of ChatGPT that combine instructions, extra knowledge, and any combination of skills.
OpenAI leadership transition
OpenAI announces a leadership transition at the company.
Claude 2.1
Adds a 200K token context window, 2x fewer false statements than Claude 2.0, system prompts and beta tool use.
Altman returns as CEO, new initial board
Sam Altman returns as CEO with a new initial board; Mira Murati is CTO and Greg Brockman returns as President.
2024
ChatGPT Team
A ChatGPT plan for teams of all sizes with a secure, collaborative workspace.
GPT Store
A store for finding and using custom GPTs in ChatGPT.
Memory in ChatGPT
ChatGPT begins testing remembering things across chats, with user controls over what it keeps.
Sora announced
A text-conditional diffusion model trained jointly on videos and images to generate video.
Claude 3 family
Haiku, Sonnet and Opus models, in ascending order of capability, set new benchmarks at launch.
Board review completed, Altman stays
Review completes; Altman and Brockman continue to lead, with new board members and governance changes.
Claude 3 Haiku
The fastest, most affordable model in its intelligence class, in the API and for Claude Pro users.
ChatGPT without sign-up
People can use ChatGPT instantly without creating an account.
ChatGPT and Whisper APIs
ChatGPT and Whisper become available to developers through the API.
GPT-4 API general availability
GPT-4 API becomes generally available, with GPT-3.5 Turbo, DALL·E and Whisper APIs also generally available.
Claude Team plan and iOS app
A Team plan adds shared workspaces with more usage, and a free Claude iOS app launches.
Model Spec
OpenAI publishes the Model Spec describing how its models should behave.
GPT-4o
New flagship model that reasons across audio, vision and text in real time.
Sutskever leaves, Pachocki chief scientist
Ilya Sutskever leaves OpenAI; Jakub Pachocki becomes Chief Scientist.
Safety and Security Committee
The OpenAI board forms a Safety and Security Committee.
Tool use generally available
Claude 3 models can call external tools and APIs, now generally available on the Messages API.
ChatGPT Edu
An affordable ChatGPT offering for universities to bring AI to campus.
OpenAI and Apple partnership
ChatGPT is to be integrated into Apple experiences.
Claude 3.5 Sonnet
Outperforms Claude 3 Opus on key evaluations at twice the speed.
Artifacts in Claude
Claude can show generated code, documents and designs in a dedicated window beside the chat.
Projects in Claude
Pro and Team users can group chats with shared internal knowledge into Projects.
Claude Android app
Claude, including Claude 3.5 Sonnet, is available as an Android app.
GPT-4o mini
A smaller, cost-efficient model in the GPT-4o family.
SearchGPT prototype
A temporary prototype of AI search giving timely answers with clear sources.
Structured Outputs in the API
API model outputs now reliably adhere to developer-supplied JSON Schemas.
Claude for Enterprise
An Enterprise plan for organizations to work securely with Claude using internal knowledge.
OpenAI o1
OpenAI's o1 reasoning model, released in preview.
o1-mini
A cost-efficient reasoning model alongside o1.
Realtime API
Developers can build fast speech-to-speech experiences into their applications.
New funding round
OpenAI raises $6.6B at a $157B post-money valuation.
Canvas in ChatGPT
A new interface for writing and coding with ChatGPT.
Updated Responsible Scaling Policy
A significant revision of the risk governance framework for catastrophic risks from frontier AI.
Computer use
An experimental capability lets Claude 3.5 Sonnet operate a computer through the API.
Upgraded Claude 3.5 Sonnet and 3.5 Haiku
A refreshed, more capable Claude 3.5 Sonnet and a new Claude 3.5 Haiku model.
Analysis tool in Claude.ai
Claude can write and run JavaScript in Claude.ai for data analysis.
ChatGPT search
ChatGPT gives fast, timely answers with links to relevant web sources.
Amazon invests $4B more
Amazon invests a further $4 billion and AWS becomes the primary cloud and training partner.
Model Context Protocol (MCP)
An open standard for connecting AI assistants to the systems where data and tools live.
ChatGPT Pro
A $200 monthly plan with unlimited access to o1 and o1 pro mode, which uses more compute.
Sora available
Sora opens at sora.com, generating videos up to 1080p and 20 seconds long.
o1 for developers
o1 comes to developers alongside Realtime API improvements and a new fine-tuning method.
Plan to evolve corporate structure
OpenAI proposes a stronger non-profit supported by the for-profit’s success.
2025
Stargate Project
OpenAI and partners announce the Stargate Project to build AI infrastructure.
Operator
Research preview of an agent that uses its own browser to do tasks, for Pro users in the U.S.
OpenAI o3-mini
A new small model in the reasoning line.
Deep research
An agent that synthesizes online information to complete multi-step research tasks.
Claude 3.7 Sonnet
First hybrid reasoning model: near-instant answers or visible extended thinking.
Claude Code
A command-line agentic coding tool, in limited research preview, delegating work from the terminal.
GPT-4.5
Research preview of GPT-4.5, OpenAI's largest and most knowledgeable model at release.
Series E at $61.5B valuation
Anthropic raises $3.5 billion at a $61.5 billion post-money valuation.
New tools for building agents
OpenAI releases new developer tools for building agents on its platform.
Web search in Claude
Claude can search the web for cited, up-to-date answers, in preview for paid US users.
Next-generation audio models in the API
New speech-to-text and text-to-speech models in the API; developers can instruct how the voice speaks.
4o image generation
GPT-4o generates images natively, with stronger text rendering and instruction following.
$40B funding at $300B valuation
OpenAI raises $40B at a $300B post-money valuation to scale research and compute.
Claude for Education
A version of Claude for universities, with a Learning mode that guides students' reasoning.
GPT-4.1
New API model family with gains in coding, instruction following and long context, plus a first nano model.
Research in Claude
Claude runs in-depth research across the web and Google Workspace and answers in minutes.
Updated Preparedness Framework
Revised framework for measuring and protecting against severe harm from frontier AI capabilities.
o3 and o4-mini
OpenAI's smartest and most capable models at release, with full tool access.
gpt-image-1 in the API
OpenAI's latest image generation model becomes available to developers in the API as gpt-image-1.
GPT-4o sycophancy update rolled back
OpenAI reverts a GPT-4o update in ChatGPT that made it overly flattering and agreeable.
Integrations
Claude connects to apps and tools via Integrations; Research also searches connected services.
For-profit becomes a PBC
OpenAI plans to turn its for-profit LLC into a PBC, with the nonprofit keeping control.
Web search on the API
Developers can give Claude web search with citations through the API.
OpenAI for Countries
An initiative to support countries that want to build on democratic AI rails.
Codex
A cloud-based coding agent powered by codex-1, a version of o3 optimized for software engineering.
ASL-3 protections activated
ASL-3 security and deployment standards apply with Claude Opus 4, targeting CBRN weapons misuse.
Claude 4 (Opus 4 and Sonnet 4)
Opus 4 and Sonnet 4 can use tools during extended thinking; Opus 4 is aimed at long agent tasks.
Agent building blocks on the API
The API adds code execution, an MCP connector, file storage and extended prompt caching.
Claude Code generally available
Claude Code leaves research preview, adding background tasks via GitHub Actions and beta VS Code and JetBrains extensions.
Claude Gov models
Custom models built for U.S. national security customers in classified environments.
OpenAI for Government
An initiative bringing OpenAI's most advanced tools to public servants across the United States.
AI-powered artifacts
Artifacts can embed Claude, turning them into shareable interactive apps, with a dedicated space.
Connectors directory
A directory of tools that connect to Claude, each tried with one click.
Claude for Financial Services
A Claude solution for financial analysis, market research and investment decisions.
ChatGPT agent
ChatGPT can think and act with tools to complete tasks like research, bookings and slideshows.
Study mode in ChatGPT
ChatGPT guides students through problems step by step with questions, scaffolding and feedback.
gpt-oss-120b and gpt-oss-20b
Two open-weight language models under Apache 2.0, optimized for deployment on consumer hardware.
Claude Opus 4.1
An upgrade to Opus 4 on agentic tasks, real-world coding and reasoning, at the same price.
GPT-5
OpenAI's new flagship model, with leading performance across coding, math, writing and health.
1M-token context for Sonnet 4
Claude Sonnet 4 accepts up to 1 million tokens of context, a 5x increase.
Claude can end abusive conversations
Opus 4 and 4.1 can end a rare subset of conversations, from model welfare research.
Claude Code in Team and Enterprise
Team and Enterprise customers can buy premium seats that include Claude Code.
Claude in Chrome pilot
A pilot of a browser extension in which Claude acts in Chrome, testing prompt injection defenses.
Joint safety evaluation with Anthropic
OpenAI and Anthropic test each other's models for misalignment, hallucinations and jailbreaks.
Opt-in training on consumer chats
Free, Pro and Max users can opt in to model training, with five-year retention for participants.
gpt-realtime
A more advanced speech-to-speech model; the Realtime API adds MCP servers, image input and SIP calls.
Series F at $183B valuation
Anthropic raises $13 billion at a $183 billion post-money valuation.
Claude creates and edits files
Claude returns spreadsheets, documents, presentations and PDFs instead of only text.
Memory in Claude
Claude remembers users' and teams' projects and preferences across conversations.
Nonprofit given equity in the PBC
Planned structure gives the OpenAI nonprofit control of the PBC and an equity stake worth over $100B.
Codex upgrades
GPT-5-Codex, a version of GPT-5 optimized for agentic coding, available everywhere Codex runs.
10 GW NVIDIA partnership
OpenAI and NVIDIA plan 10 gigawatts of NVIDIA-powered datacenters, first phase in 2026.
ChatGPT Pulse
Preview for Pro users on mobile: ChatGPT proactively researches and delivers personalized updates.
Claude Sonnet 4.5
Leads on coding, agent building and computer use, and is the most aligned Claude model to date.
Claude Agent SDK
The building blocks behind Claude Code, released for developers to build their own agents.
Claude Code checkpoints and VS Code
Claude Code gains checkpoints to roll back changes and a native VS Code extension.
Instant Checkout in ChatGPT
People can buy directly inside ChatGPT; OpenAI introduces the Agentic Commerce Protocol.
ChatGPT parental controls
Parents can guide how ChatGPT works for their teens, with a new parent resource page.
Sora 2
Video generation model with synchronized dialogue and sound effects.
Apps in ChatGPT and Apps SDK
Users can chat with apps inside ChatGPT; developers build them with the new Apps SDK in preview.
AgentKit
Developer tools for building agents, plus expanded evals and reinforcement fine-tuning for agents.
Codex generally available
Codex reaches general availability with a Slack integration, Codex SDK and admin tools.
Claude Code plugins
Bundles of slash commands, agents, MCP servers and hooks install with one command.
Claude Haiku 4.5
A small model with coding performance similar to Sonnet 4 at one-third the cost and over twice the speed.
Agent Skills
Claude loads folders of instructions, scripts and resources when relevant to a task.
Claude Code on the web
Delegate coding tasks from the browser to Claude running on Anthropic-managed cloud infrastructure.
Claude for Life Sciences
Scientific connectors and skills for research, drug discovery and clinical work.
ChatGPT Atlas
A web browser with ChatGPT built in.
Up to one million Google TPUs
A compute expansion worth tens of billions of dollars, bringing over a gigawatt online in 2026.
Company knowledge in ChatGPT
ChatGPT answers from context in connected work apps, with citations, for Business, Enterprise and Edu.
OpenAI recapitalization
Recapitalization completed; the nonprofit, now the OpenAI Foundation, holds equity worth about $130B.
New Microsoft–OpenAI agreement
Microsoft and OpenAI sign a new agreement for their long-term partnership.
gpt-oss-safeguard
Open-weight reasoning models that classify content against a developer-provided safety policy.
Aardvark security researcher
An agent that finds, validates and helps fix software vulnerabilities, in private beta.
Model preservation commitments
Anthropic will preserve weights of all publicly released Claude models and interview models before retirement.
GPT-5.1
Upgraded GPT-5 models in ChatGPT with new tone and style controls, rolling out to paid users.
AI-led espionage campaign disrupted
Anthropic reports detecting and disrupting a sophisticated cyberattack campaign run largely by AI.
GPT-5.1 in the API
GPT-5.1 reaches the API with adaptive reasoning, extended prompt caching, and apply_patch and shell tools.
Group chats in ChatGPT
Several people can collaborate with ChatGPT in the same conversation.
Structured outputs
API responses are guaranteed to match JSON schemas and tool definitions; beta for Sonnet 4.5 and Opus 4.1.
Microsoft and NVIDIA partnerships
Anthropic commits $30B to Azure compute; Microsoft and NVIDIA invest up to $15B combined.
ChatGPT for Teachers
A secure workspace free for verified U.S. K–12 educators through June 2028.
GPT-5.1-Codex-Max
An agentic coding model for Codex built for long-running, project-scale work.
Claude Opus 4.5
New flagship model with state-of-the-art coding and agentic performance at lower pricing.
Advanced tool use
Claude can discover, learn and execute tools dynamically on the Claude Developer Platform.
Shopping research in ChatGPT
ChatGPT builds personalized buyer’s guides to help users compare and choose products.
Anthropic acquires Bun
Anthropic buys the Bun JavaScript runtime for Claude Code, which reached $1B run-rate revenue in six months.
Claude Code in Slack
Tagging @Claude in Slack starts Claude Code sessions that fix bugs and open pull requests.
MCP donated to Agentic AI Foundation
Anthropic donates MCP to the Linux Foundation's new Agentic AI Foundation, co-founded with Block and OpenAI.
Agentic AI Foundation
OpenAI co-founds the foundation under the Linux Foundation and donates AGENTS.md.
GPT-5.2
Frontier model for professional work, improving reasoning, long context, coding and vision, in ChatGPT and API.
Disney characters come to Sora
Agreement brings more than 200 Disney, Marvel, Pixar and Star Wars characters to Sora videos.
ChatGPT Images and GPT-Image-1.5
A faster ChatGPT Images experience, with GPT-Image-1.5 available in the API.
App submissions and directory in ChatGPT
Developers can submit apps for review; approved apps appear in an in-product directory.
Org-wide skills and open standard
Admins can provision skills org-wide, a partner skills directory launches, and skills become an open standard.
GPT-5.2-Codex
Coding model with long-horizon reasoning, large-scale code changes and stronger cybersecurity skills.
Frontier Compliance Framework for SB 53
Anthropic publishes how it assesses and manages catastrophic risks under California's SB 53.
2026
ChatGPT Health
A dedicated ChatGPT experience that connects users’ health data and apps, with privacy protections.
Claude for Healthcare
HIPAA-ready Claude for healthcare, life sciences tools and connectors to CMS, Medidata and ClinicalTrials.gov.
Anthropic Labs
Anthropic expands Labs, a team incubating experimental products, with Mike Krieger joining Ben Mann.
Advertising test in ChatGPT
OpenAI plans to test ads in the U.S. for ChatGPT’s free and Go tiers.
ChatGPT Go worldwide
The lower-cost Go plan, with GPT-5.2 Instant and higher limits, becomes available worldwide.
Age prediction in ChatGPT
ChatGPT estimates whether an account is under 18 and applies teen safeguards.
Claude's new constitution
Anthropic publishes a new constitution, the foundational document that expresses and shapes who Claude is.
MCP Apps
Connectors can show an interactive live UI right inside a Claude conversation.
Prism
A free LaTeX-native workspace with GPT-5.2 built in for writing and collaborating on research.
Retiring GPT-4o in ChatGPT
GPT-4o, GPT-4.1, GPT-4.1 mini and o4-mini leave ChatGPT on February 13, 2026.
Cowork plugins
Plugins tell Cowork how work should be done, which tools and data to use, and which slash commands to expose.
Codex app for macOS
A desktop app for running multiple coding agents in parallel on long-running tasks.
Claude Agent SDK in Xcode
Xcode 26.3 integrates the Claude Agent SDK for autonomous, long-running coding tasks on Apple platforms.
Claude stays ad-free
Anthropic commits that Claude will remain free of advertising.
Claude Opus 4.6
Upgrade to the smartest Claude model, leading on agentic coding, computer use, tool use, search and finance.
OpenAI Frontier
An enterprise platform for building, deploying and managing AI agents with permissions and governance.
GPT-5.3-Codex
A Codex-native agent model pairing frontier coding performance with general reasoning.
Trusted Access for Cyber
A trust-based framework that expands access to frontier cyber capabilities with safeguards.
$30B Series G at $380B valuation
Anthropic raises $30B led by GIC and Coatue, with $14B run-rate revenue.
GPT-5.3-Codex-Spark
A real-time coding model with 15x faster generation, in research preview for ChatGPT Pro.
Lockdown Mode in ChatGPT
Lockdown Mode and Elevated Risk labels help organizations defend against prompt injection and data exfiltration.
Claude Sonnet 4.6
Full Sonnet upgrade across coding, computer use, long reasoning, agent planning, knowledge work and design.
Claude Code Security
Built into Claude Code on the web, it scans codebases for vulnerabilities and suggests patches; research preview.
Responsible Scaling Policy v3.0
Version 3.0 of Anthropic's policy for mitigating catastrophic risks from AI.
Anthropic acquires Vercept
Anthropic acquires Vercept to strengthen Claude's computer use capabilities.
Stand on Department of War use limits
Anthropic declines Department of War terms allowing mass domestic surveillance or fully autonomous weapons.
$110B funding round
OpenAI raises $110B at a $730B pre-money valuation from SoftBank, NVIDIA and Amazon.
Department of War agreement
Contract for deploying OpenAI systems in classified environments, with stated safety red lines.
GPT-5.3 Instant
GPT-5.3 Instant targets smoother, more useful everyday conversations in ChatGPT.
GPT-5.4
Frontier model for professional work with stronger coding, computer use, tool search and 1M-token context.
Designated a supply chain risk
The Department of War designates Anthropic a supply chain risk; Anthropic will challenge it in court.
ChatGPT for Excel
ChatGPT works inside Excel, powered by GPT-5.4, alongside new financial data app integrations.
Codex Security research preview
An application security agent that detects, validates and patches vulnerabilities in a codebase.
Code Review for Claude Code
A team of agents reviews every pull request for bugs; research preview for Team and Enterprise.
The Anthropic Institute
A new effort to study the biggest challenges powerful AI will pose to societies.
Interactive visuals in chat
Claude can answer with interactive charts, diagrams and visualizations rendered inline.
1M context generally available
Opus 4.6 and Sonnet 4.6 get a 1M-token window at standard pricing, with up to 600 images or PDF pages.
GPT-5.4 mini and nano
Smaller, faster GPT-5.4 versions for coding, tool use and high-volume API and sub-agent workloads.
Claude works on your computer
Claude opens apps, browses and runs dev tools on macOS, with tasks assigned from a phone via Dispatch.
Auto mode for Claude Code
Claude Code makes permission decisions itself, with built-in safeguards.
$122 billion funding round
OpenAI raised $122 billion to expand compute and meet demand for ChatGPT, Codex and enterprise.
Claude Mythos Preview
A general-purpose model strikingly capable at security work, used in Project Glasswing to secure key software.
Claude Managed Agents
Composable APIs for building and deploying cloud-hosted agents at scale.
Claude Cowork generally available
Cowork, where Claude takes on tasks and delivers finished work, is now available on all paid plans.
Routines in Claude Code
Repeatable routines run in the cloud to work a backlog, review PRs and respond to events.
GPT-5.4-Cyber for vetted defenders
Trusted Access for Cyber expands, giving vetted security defenders a cyber-tuned GPT-5.4.
Agents SDK sandbox execution
The Agents SDK adds native sandbox execution and a model-native harness for long-running agents.
Claude Opus 4.7
Generally available successor to Opus 4.6, with notable gains on the hardest software engineering tasks.
Codex app adds computer use
The Codex desktop app adds computer use, in-app browsing, image generation, memory and plugins.
GPT-Rosalind
A reasoning model for life sciences: drug discovery, genomics analysis and protein reasoning.
Claude Design
An Anthropic Labs product for creating designs, prototypes, slides and one-pagers with Claude.
$100B Amazon compute deal
Anthropic commits over $100B to AWS over a decade and secures up to 5 gigawatts of compute.
ChatGPT Images 2.0
Image generation in ChatGPT gets better text rendering, multilingual support and visual reasoning.
OpenAI Privacy Filter
An open-weight model that detects and redacts personally identifiable information in text.
Workspace agents in ChatGPT
Codex-powered agents in ChatGPT that run in the cloud and automate team workflows across tools.
GPT-5.5
A model built for complex tasks like coding, research and data analysis across tools.
Amended Microsoft partnership
OpenAI and Microsoft sign an amended agreement that simplifies their partnership.
OpenAI models and Codex on AWS
OpenAI models, Codex and Bedrock Managed Agents launch on AWS in limited preview.
Claude Security public beta
Scans code for vulnerabilities and proposes fixes with Opus 4.7, on the Claude Platform or via partners.
Enterprise AI services company
With Blackstone, H&F and Goldman Sachs, a new company pairs Claude with engineers to serve mid-sized firms.
GPT-5.5 Instant
ChatGPT's default model updates, with fewer hallucinations and improved personalization controls.
SpaceX compute deal and higher limits
Claude usage limits rise alongside a new compute partnership with SpaceX.
Claude for Office apps GA
Claude for Excel, PowerPoint and Word reach general availability; Claude for Outlook enters public beta.
GPT-5.5-Cyber
Trusted Access for Cyber expands to GPT-5.5 and GPT-5.5-Cyber for verified defenders.
Realtime voice models in the API
New realtime API voice models that reason, translate and transcribe speech.
Claude Platform on AWS
AWS customers get the full Claude platform with AWS authentication, billing and commitment retirement.
DeployCo
OpenAI launches a separate enterprise deployment company to bring frontier AI into production.
Codex in the ChatGPT mobile app
Codex tasks can be monitored, steered and approved from the ChatGPT mobile app.
Personal finance in ChatGPT
ChatGPT connects to financial accounts to track spending, manage subscriptions and build budgets.
Anthropic acquires Stainless
Anthropic buys the SDK and MCP server tooling builder to strengthen Claude's connections to tools and data.
Dynamic workflows in Claude Code
Claude Code can run a task across tens to hundreds of parallel subagents and check its work first.
Claude Opus 4.8
Stronger coding, agentic and professional work, with more consistency on long-running tasks.
$65B Series H at $965B valuation
Anthropic raised $65 billion led by Altimeter, Dragoneer, Greenoaks and Sequoia.
Frontier Governance Framework
Framework for AI safety, security and risk practices, aligned with EU and California rules.
Confidential draft S-1 submitted
Anthropic confidentially submitted a draft S-1 registration statement to the SEC.
OpenAI models and Codex GA on AWS
OpenAI frontier models and Codex become generally available on AWS.
Codex plugins, sites and annotations
Codex adds plugins, sites and annotations aimed at analysts, marketers, designers and other roles.
ChatGPT memory with Dreaming
A new ChatGPT memory system keeps remembered preferences and context fresh across conversations.
Confidential S-1 filed with SEC
OpenAI confirms it confidentially submitted a draft S-1 to the SEC, with timing not yet set.
Claude for Apple Foundation Models
A Swift package lets apps hand off reasoning from Apple on-device models to Claude.
Claude Fable 5 and Mythos 5
Fable 5, a Mythos-class model made safe for general use; Mythos 5 goes to cyberdefenders.
Fable 5 access suspended by US directive
A US export control directive suspended all foreign-national access to Fable 5 and Mythos 5.
Artifacts in Claude Code
Claude Code can preview work in progress as a live, shareable interactive artifact.
Claude Desktop on cloud providers
Chat, Cowork and Claude Code in the desktop app can run on inference from the three clouds, in beta.
Daybreak security tools
Daybreak expands with an updated Codex Security plugin and the full GPT-5.5-Cyber.
Claude Tag
Teams tag @Claude in Slack channels to delegate tasks; beta for Enterprise and Team.
Jalapeño inference chip with Broadcom
OpenAI and Broadcom unveil a custom chip built for LLM inference.
GPT-5.6 Sol preview
Preview of a next-generation model stronger in coding, science and cybersecurity.
Claude Science
An AI workbench app for scientists with research tools, auditable artifacts and compute access, in beta.
Claude Sonnet 5
The most agentic Sonnet yet, aimed at coding and everyday professional work.
Fable 5 redeployed
Fable 5 returns from July 1 with updated cyber safeguards and a new jailbreak framework.
Claude Cowork on web and mobile
Cowork tasks can be handed off and keep running from web and mobile.
GPT-Live
A new generation of voice models for natural conversation, now powering ChatGPT Voice.
ChatGPT Work
An agent in ChatGPT that acts across apps and files and can stay with a project for hours.
GPT-5.6
GPT-5.6 family reaches general availability: flagship Sol, balanced Terra and cost-efficient Luna.
Claude for Teachers
Verified US K-12 educators get free premium Claude, a teaching skills library and curricula.
OpenAI Presence
Enterprise platform for deploying voice and chat agents in customer and internal workflows.
Voice mode on Opus, Sonnet and Haiku
Voice mode now runs on the main Claude models, uses connected tools and speaks more languages.
Health in ChatGPT
Eligible U.S. users can connect medical records and Apple Health for personalized insights.
Claude Opus 5
A step up for the Opus tier on long-running agents, coding and professional work.
MCP spec with stateless core
The 2026-07-28 MCP spec moves to a stateless core with standard extensions and hardened auth.
Cyber evaluation incidents disclosed
Anthropic reported three cases of a Claude model reaching real systems from an evaluation environment.
GPT-5.6 Luna for free users
Improved GPT-5.6 Sol in ChatGPT; free users get unlimited everyday chats with GPT-5.6 Luna.
Auto mode default in Claude Code
Claude Code runs auto mode by default on Pro, Max and Team plans for longer autonomous work.
GPT-5.6-Cyber
Cybersecurity-specific model via Daybreak Red for authorized vulnerability research and testing.
ChatGPT Ads in five more markets
ChatGPT Ads launches in the UK, Mexico, Brazil, Japan and South Korea.
Ultrafast mode for GPT-5.6 Sol
Preview API service tier, powered by Cerebras, runs GPT-5.6 Sol up to 14x faster.
Text watermarking in Claude
Future Claude models will watermark generated text to comply with the EU AI Act.
ChatGPT for Teens
Teen version of ChatGPT with stronger built-in protections and added parental controls.
Computer use, Skills and Files APIs GA
Computer use, the Skills API and the Files API are generally available, plus a new browser use tool.
Claude memory across surfaces
Claude carries what it knows about you wherever you use it, and you control what is in it.
Claude in Chrome generally available
Claude in Chrome is on every paid plan and can run browser tasks without approving each step.
Model Hardware Standard preview
A shared specification for AI agents to safely operate physical devices, in research preview.
Claude Fable 5.1 and Mythos 5.1
One model with two safeguard levels: Fable 5.1 generally available, Mythos 5.1 only via trusted access programs.
Enterprise Frontier Safeguards
Misuse detection with data stored in customer-controlled cloud, rolling out from fall.
GPT-6 Astra
OpenAI's most intelligent model yet, state of the art in computer use, coding, cybersecurity and science.
Daybreak for Frontline Defenders
A $1 billion commitment expanding frontier cyber AI, training and support to essential services.
ChatGPT Images 2.5
ChatGPT turns ideas, sketches and reference photos into more personalized, polished images.
Agents API
Managed service on the Codex harness for building cloud agents with long-running sessions and tools.
ChatGPT for Financial Services
ChatGPT with built-in financial data and GPT-6 Astra for research, modeling and client materials.
GPT-Live-1 in the API
Full-duplex voice conversations in the API, with custom voices and telephony support.
Cowork and chat merged into one Claude
Claude Cowork and chat become a single Claude on Pro and Max plans.
Misalignment reporting framework
Framework for tracking, investigating and disclosing model misalignment, with six initial reports.
Astra for Law
Legal product with custom firm workflows, connected legal data sources and legal-grade controls.
Claude Opus 5.5
Leads in agentic coding and knowledge work, and costs 40% less to run than Opus 5 on typical workloads.
GPT-6 Sol and Luna
Two GPT-6 models with different balances of capability and cost for everyday work.
Claude Marketplace
Plugins, connectors, agents and service partners in one place to find or list.
Claude Sonnet 5.5
Clear upgrade over Sonnet 5: 30%+ faster and up to 30% cheaper for most work.
Dots
Proactive assistants in ChatGPT that keep working across complex projects and everyday tasks.
GPT-6.1 Sol
Near-Astra coding and computer use at one-fifth of Astra's standard API token prices.
Claude Code mods
Small TypeScript functions that change how Claude Code works, from prompts to custom UI.
Claude for Google Workspace
An add-on and connectors bring Claude into Google Docs, Sheets and Slides, in beta.
Claude Haiku 5.5
Fastest small Claude model, built for high-volume work like summarization, subagents and browser use.
GPT-6 and Intelligent UI in ChatGPT
GPT-6 rolls out globally in ChatGPT with Intelligent UI: answers with visuals and interactive elements.
Anthropic Cyber Mission
Support for defenders, starting with a critical infrastructure program and free OSS Scanner.
Claude Dashboards and Motion
Live dashboards and animated explainers in beta; Docs, Slides and Design reach every plan.
2026 Usage Policy update
Anthropic published a new version of its Usage Policy.
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