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

Continue reading

Read the original at simonwillison.net โ†’Open in live feedRead that dayโ€™s brief

Earlier in this thread 4 items