Claude Haiku 5.5
validasserted
- Valid from
- 2026-10-07
- Valid until
- still holds
- Published
- no source on record carries a date
- Recorded by AsOf
- 2026-11-04
- Checked
- 2026-11-04 · its source page states the value and the date
- Confidence
- 0.95
Sources
“October 7, 2026 Claude Haiku 5.5 launch We just launched Claude Haiku 5.5, the cheapest, fastest, and most capable small model we’ve released, designed for high-volume, cost-sensitive tasks.”— what the page says, read 2026-11-04
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