Anthropic today introduced Claude Opus 5.5, the first release in a new family of Claude 5.5 models. Claude Opus 5.5 performs at the level of Claude Fable 5.1 on most work, and costs around 40% less to run than Opus 5.
Anthropic today introduced Claude Opus 5.5, the first release in a new family of Claude 5.5 models.
Claude Opus 5.5 performs at the level of Claude Fable 5.1 on most work, and costs around 40% less to run than Opus 5.
Over the coming weeks, we'll also be launching Claude Sonnet 5.5 and Haiku 5.5....
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Anthropic today introduced Claude Opus 5.5, the first release in a new family of Claude 5.5 models. Claude Opus 5.5 performs at the level of Claude Fable 5.1 on most work, and costs around 40% less to run than Opus 5. Over the coming weeks, we'll also be launching Claude Sonnet 5.5 and Haiku 5.5....
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