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Claude Sonnet 4.6

February 17, 2026

Claude Sonnet 4.6 is now available in Converge and is the default model.

release

Claude Sonnet 4.6

Claude Sonnet 4.6 is now available in Converge and is the default model. Use it for balanced quality and speed for coding and everyday tasks.

What’s new

  • Sonnet 4.6 is the new default model when you start a chat. It is an amazing balance of performance and cost.

Try it

Start a new chat to use Sonnet 4.6 by default, or select it from the model selector.