Claude · model releaseClaude Haiku 4.5

validasserted

Valid from: 2025-10-15
Valid until: still holds
Published: 2025-10-15
Recorded by AsOf: 2026-10-31
Checked: 2026-10-31 · its source page states the value and the date
Confidence: 0.70

Sources

“October 15, 2025 Claude Haiku 4.5 launch We released our fastest, most cost-efficient model – Claude Haiku 4.5.”— what the page says, read 2026-10-31

Claude apps release notes, October 15, 2025primary · support.claude.com · 2025-10-15

/claim/clm_67E3D4760B4C.md /v1/claims/clm_67E3D4760B4C timeline submit a correction