Anthropic releases Claude Sonnet 5.5, 30% faster and up to 30% cheaper
Read original source →anthropic.com
Sonnet 5.5 is the second model in the Claude 5.5 family after Opus 5.5, priced the same as Sonnet 5 at $2/$10 per million tokens with cache reads at $0.20. Anthropic says it runs 30%+ faster and costs up to 30% less for most work, with thinking on by default.
How this story unfolded
9 days · 16 reports · 47 community posts · 63 of 67 shown
- Sep 28
Introducing Claude Sonnet 5.5youtube.com
Anthropic releases Sonnet 5.5, which it calls a significantly cheaper, faster work partnertechcrunch.com
Anthropic launches Claude Sonnet 5.5 with 30% cost reduction per-task due to faster speeds and fewer tool callsventurebeat.com
Anthropic launches cheaper AI model, its second release since CEO's call for a slowdowncnbc.com
Claude Sonnet 5.5 now available on AI Gatewayvercel.com
Anthropic launches Claude Sonnet 5.5 with near-Opus performance at half the pricethenewstack.io
Introducing Claude Sonnet 5.5 on AWSaws.amazon.com
Anthropic's Claude Sonnet 5.5 Is Out, Beats Opus 5.5 at Coding for Half the Pricedecrypt.co
You picked Claude Sonnet 5.5 — but Anthropic may send your request to Sonnet 5thenewstack.io
- Sep 29
- Oct 4
- Oct 7
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