v1.4.415

danielmiessler/Fabricv1.4.415Feb 19, 2026by github-actions[bot]

AI Summary

Expanded support for long-context models by adding Claude Sonnet 4.6, Claude Opus 4.5, and Claude Opus 4.6 to the Anthropic beta model map.

Key Highlights

Added 1M context window models (Sonnet 4.6, Opus 4.5, Opus 4.6) to the beta map.
Documented 1M token context window support.
Improved organization of model variants with clearer annotations.

New Features

1M context window model support for Anthropic

Full Release Notes

## Changes

### PR [#2016](https://github.com/danielmiessler/Fabric/pull/2016) by [ksylvan](https://github.com/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.