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Anthropic Claude claude-3-5-haiku-20241022 End of Life

Support dates and upgrade guidance — rebuilt from live data.

End of Life

Anthropic Claude claude-3-5-haiku-20241022 reached end of life on 19 Feb 2026. It no longer receives security fixes.

228 days without security patches
Recommended action: upgrade to Anthropic Claude claude-sonnet-5-5.

Support timeline

Official dates from the Anthropic Claude release process.

MilestoneDateStatus
Initial release22 Oct 2024 1y 11mo ago
Active support ended19 Dec 2025 security fixes only after this
Deprecated support ended19 Feb 2026 7mo ago
Latest release— final

Where to go from claude-3-5-haiku-20241022

Recommended target: Anthropic Claude claude-sonnet-5-5 (supported until 28 Sept 2027).

The newest actively supported branch is Anthropic Claude claude-sonnet-5-5 (latest release ).

Frequently asked questions

Is Anthropic Claude claude-3-5-haiku-20241022 still safe to use?

Anthropic Claude claude-3-5-haiku-20241022 reached end of life on 19 Feb 2026, 228 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.

Can I still download Anthropic Claude claude-3-5-haiku-20241022?

Yes — the final release (claude-3-5-haiku-20241022) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.

What should I upgrade Anthropic Claude claude-3-5-haiku-20241022 to?

Upgrade to Anthropic Claude claude-sonnet-5-5, the newest actively supported branch (supported until 28 Sept 2027).

All Anthropic Claude versions