> ## Documentation Index
> Fetch the complete documentation index at: https://arizeai-433a7140-ehutt-trail-benchmark-new-tasks.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# 08.05.2025: Claude Opus 4-1 Support

> Available in Phoenix 11.19+

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Support for Claude Opus 4-1 is now available, enabling teams to begin experimenting and evaluating with the new model from day 0.