Changes
PR #2016 by ksylvan: Extend Anthropic model beta map with 1M context models
- Extends the Anthropic model beta map to include 1M context window models, adding Claude Sonnet 4.6, Claude Opus 4.5, and Claude Opus 4.6 to the beta entries.
- Documents 1M token context window model support and clarifies the model beta list maintenance and update strategy.
- Groups model variants under clearer, annotated sections for improved readability and organization.