Claude Opus 4.6 & Sonnet 4.6 - 1M Context with No Long-Context Premium
1M context is now GA for both Claude Opus 4.6 and Sonnet 4.6.
You don’t need to send any special header or something.
One interesting thing is their pricing, unlike Google/OpenAI which charges premium beyond certain context size.
That’s is not the case with those Anthropic models
Standard pricing now applies across the full 1M window for both models, with no long-context premium.
