WhichAI.todayAnthropic
Claude Haiku 5.5: release date and what's new
- Released
- Status
- Available now
- Type
- Update
Anthropic calls it the cheapest, fastest, and most capable small model it has released, at a much lower price than Haiku 4.5.
What's new
- Fast
- Low cost
- Subagents
Official announcement: anthropic.com ↗
Where Claude Haiku 5.5 ranks today
Full Claude Haiku 5.5 profile →
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Questions
When was Claude Haiku 5.5 released?
Anthropic released Claude Haiku 5.5 on Oct 7, 2026.
Is Claude Haiku 5.5 available now?
Yes. Claude Haiku 5.5 has been available since Oct 7, 2026.
What's new in Claude Haiku 5.5?
Anthropic calls it the cheapest, fastest, and most capable small model it has released, at a much lower price than Haiku 4.5.
Where does Claude Haiku 5.5 rank?
Claude Haiku 5.5 is today's alternative pick for speed & high volume, based on public leaderboards checked daily.