Wire flash
User claims Claude Sonnet 5.5 roughly matches Claude Fable 5.1, making Anthropic mid-size model state of the art
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A post on X by user kimmonismus claims that Anthropic's mid-size model, Claude Sonnet 5.5, has roughly matched the performance of Claude Fable 5.1, which scored 165 on an unspecified benchmark. The author states that the mid-size model now matches the state of the art and is probably the best model in the world, achieving this within just a few months of release. The post expresses excitement for a future Fable 5.5 model. This is an attributed opinion and forecast based on the author's assessment, not an official Anthropic announcement.
Source report
Anthropic's mid-size model, Claude Sonnet 5.5, has roughly matched the performance of Claude Fable 5.1 (scoring 165).
Within just a few months of its release, this mid-tier model now equals the state-of-the-art and is likely the best model in the world.
The author expresses significant anticipation for the upcoming Fable 5.5 release.
Source
kimmonismusNeutral / independent
Part of this Story
Anthropic launches Claude Sonnet 5.5 with 30% faster speed and 30% lower task costs