New model: Claude Sonnet 4.5
Sandra Dajic

New model: Claude Sonnet 4.5

We’ve added a new model from Anthropic: Claude Sonnet 4.5.

You can now select Claude Sonnet 4.5 in your Chatbase settings and start building right away.

To see how it compares with o3, o4 mini, and others, check our Model Comparison Guide.

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