Corroborated event · 6 outlets
Anthropic launched the Claude Sonnet 5.5 model.
AI brief
Anthropic released Sonnet 5.5, the newest version of its mid-range model, which the company says has faster response times and lower token usage.
Why it matters: It offers a cheaper, faster option for users of Anthropic's mid-tier model.
Written by AI from TechCrunch AI's published text.
Background
From our own funding, model and news trackers, not from the source.
Anthropic
- Latest funding
- Growth · $65B · 28 May 2026
- Newest model on the API
- Claude Haiku 5.5 · 7 Oct 2026 · $0.1 in / $0.5 out per million tokens
More coverage of this story (5)
Anthropic releases Claude Sonnet 5.5
Claude Sonnet 5.5 just launched — here's why it's about to become your daily driver
Tom's Guide AI · 29 Sept 2026, 06:45
Claude Sonnet 5.5
Simon Willison's Weblog · 28 Sept 2026, 22:07
Introducing Claude Sonnet 5.5 on AWS
AWS Machine Learning Blog · 28 Sept 2026, 18:57
Anthropic's Claude Sonnet 5.5 nearly matches Opus 5.5 on benchmarks while costing up to 30 percent less per task
The Decoder · 28 Sept 2026, 18:02
Anthropic debuts Claude Sonnet 5.5 running 30% faster than the previous-generation AI model
SiliconANGLE AI · 28 Sept 2026, 18:00
Primary source
“Anthropic has released the newest version of its mid-range model, boasting faster response times and less token burn.”
Reporting from a publisher outside the organisation being covered.
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