Corroborated event · 6 outlets
Anthropic launched the Claude Sonnet 5.5 model.
AI brief
Claude Sonnet 5.5 is now available on Amazon Bedrock and Claude Platform on AWS. The model is described as a more efficient Sonnet for coding and knowledge work, with lower cost per task and faster speed.
Why it matters: Users of Amazon Bedrock and Claude Platform on AWS can now use a Sonnet model that is cheaper per task and faster for coding and knowledge work.
Written by AI from AWS Machine Learning Blog's published text.
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
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
Anthropic releases Sonnet 5.5, which it calls a significantly cheaper, faster work partner
TechCrunch AI · 28 Sept 2026, 18:00
Primary source
“Claude Sonnet 5.5 is now available on Amazon Bedrock and Claude Platform on AWS. It's a smarter, more efficient Sonnet model for focused coding and knowledge work, with a lower cost per task at faster speed.”
Published by the organisation it describes; treat claims as first-party statements.
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