Claude Sonnet 5.5
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Anthropic’s Sonnet 5.5 Closes the Gap on Opus as Fall AI Showdowns Begin
Anthropic’s Claude Sonnet 5.5 nearly matches Opus performance at half the price, shaking up developer choices ahead of OpenAI’s DevDay.

Anthropic’s Claude Sonnet 5.5 nearly matches Opus performance at half the price, shaking up developer choices ahead of OpenAI’s DevDay.