Capabilities · Timeline event
What happened: Anthropic releases Claude Haiku 5.5?
Provider release for narrowly scoped work with tiered pricing; not an independent capability measurement.
When was this milestone recorded?
2026-10-07 · Models.
What is the source?
Anthropic · Haiku 5.5 release and pricing ↗
Company announcement and pricing. Last verified: 2026-10-08T20:06:10.483Z.
What does this tell us about the pace of AI?
This is one selected milestone. Its inclusion does not establish a change in capability, economic returns or an industry-wide growth rate. Announcement, release and measurement dates are different concepts.