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Anthropic

Is Claude Haiku 4.5 out? Yes, since October 15, 2025

Yes. Claude Haiku 4.5 was released on October 15, 2025.

A browser notification for each confirmed release in this family. No account or email.

Have you used it? Claude Haiku 4.5

See community experiences
Lab
Anthropic
Family
Claude
Release date
Source
Anthropic · Claude Haiku 4.5

What changed

  • context -80 % · Context window compared with Claude Sonnet 4.5, same tier in this family. Went from 1M tokens to 200k tokens.
  • price -67 % · Prompt price compared with Claude Sonnet 4.5, same tier in this family. Went from $3.00 / MTok to $1.00 / MTok. Lower is better.

About Claude Haiku 4.5

Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...

Next Claude model to watch

Questions

When was Claude Haiku 4.5 released?
Claude Haiku 4.5 was released on October 15, 2025.
Who makes Claude Haiku 4.5?
Claude Haiku 4.5 is made by Anthropic.
What comes after Claude Haiku 4.5?
Claude Opus 4.5, released on November 24, 2025.