Story
simon_willison ยท Oct 7, 2026 ยท news
Source brief
Claude Haiku 5.5
simonwillison.netOct 7, 2026
original source linked
In brief
As previously promised , here's Anthropic's new fast, low cost model: Introducing Claude Haiku 5.5 . The previous Haiku, 4.5, was very much showing its age. It came out almost a year ago , and was priced at $1/million...

Feed lens
codex