Corroborated event · 4 outlets
Anthropic released Claude Haiku 5.5, a small model priced at roughly a quarter of Haiku 4.5's running cost, and halved the price for cache reads on Claude Sonnet 5.5.
AI brief
Anthropic released Claude Haiku 5.5, which improved its score on the OSWorld computer use test from 15.7 to 72.4 percent. Token prices dropped by up to 90 percent, though a new tokenizer consumes more tokens and reduces some of the savings.
Why it matters: The release signals continued price competition in AI models, even as changes to tokenization affect the actual cost.
Written by AI from The Decoder's published text. Read the original for full details.
More coverage of this story (3)
Anthropic releases Claude Haiku 5.5 small model
Anthropic releases Claude Haiku 5.5 small model and halves Sonnet 5.5 cache read prices
SiliconANGLE AI · 07 Oct 2026, 22:28
Claude Haiku 5.5
Simon Willison's Weblog · 07 Oct 2026, 20:56
Introducing Claude Haiku 5.5 on AWS
AWS Machine Learning Blog · 07 Oct 2026, 18:52
Primary source
Reporting from a publisher outside the organisation being covered.
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