v1.4.397

danielmiessler/Fabricv1.4.397Jan 31, 2026by github-actions[bot]

AI Summary

Updates the Anthropic SDK and reorganizes model definitions, adding new aliases and deprecation notices.

Key Highlights

Updated anthropic-sdk-go to v1.20.0.
Added deprecation notice for pre-February 2026 legacy models.
Added new Claude Sonnet 4.0 and Opus 4.0 model aliases.
Extended 1M context beta support to all Sonnet 4 variants.

New Features

New model aliases (Sonnet 4.0, Opus 4.0)
Extended 1M context beta support

Full Release Notes

## Changes

### PR [#1979](https://github.com/danielmiessler/Fabric/pull/1979) by [ksylvan](https://github.com/ksylvan): Update Anthropic SDK to v1.20.0 and reorganize model definitions

- Feat: update Anthropic SDK to v1.20.0 and reorganize model definitions
- Bump `anthropic-sdk-go` dependency from v1.19.0 to v1.20.0
- Add deprecation notice for pre-February 2026 legacy models
- Add new Claude Sonnet 4.0 and Opus 4.0 model aliases
- Extend 1M context beta support to all Sonnet 4 variants