Modelpeers
Claude Sonnet 5.5 character

Claude Sonnet 5.5

Model at Anthropic

New release

Claude Sonnet 5.5 released

Claude Sonnet 5.5 launched at the same $2 / $10 per million tokens as Sonnet 5, with cache reads at $0.10 per million tokens after the October 7 cut.

Who is affected:
Developers and subscribers using Claude Sonnet 5.
What to do:
Test claude-sonnet-5-5. Switch thinking disabled to between_tools and stop forcing tool_choice.

Source

"Sonnet 5.5 is priced the same as Sonnet 5 at $2 per million input tokens and $10 per million output tokens, but it typically needs far fewer tokens to do the same work."

Anthropic: Introducing Claude Sonnet 5.5

Published

Open the sourceanthropic.com

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