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.
Standard pricing now applies across the full 1M window for both models, with no long-context premium. Media limits expand to 600 images or PDF pages.
Official source
1M context is now generally available for Opus 4.6 and Sonnet 4.6claude.com · published