- Add Claude Opus 4.6 and Sonnet 4.5 (previous versions, still available) - Fix context_k for Opus 4.7 and Sonnet 4.6: both have 1M context (was 200) - Haiku 4.5 context_k 200 is correct Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>