ReleasedOct 15, 2025 ·
Claude Haiku 4.5 is out
Anthropic shipped Claude Haiku 4.5.
AnthropicAnthropic released Claude Haiku 4.5 on Oct 15, 2025.
It follows Claude 3.5 Haiku, 358 days earlier. Releases in the Claude Haiku line usually land about 357 days apart.
Claude Haiku 5.5 replaced it on Oct 7, 2026.
Released
Oct 15, 2025
Line
Claude Haiku
Previous
Claude 3.5 Haiku (Oct 22, 2024)
Confirmed by
Historical record
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