Claude model end of life dates

End-of-life and end-of-support dates for every Claude model version ReleaseBytes tracks, updated nightly.

Want a warning before a version expires? Set up a free EOL alert — email or Slack, at 90, 30 and 7 days out.

Version Released End of life Status Extended support
claude-opus-4-1-20250805 5 Aug 2026 20 days left
claude-mythos-preview 30 Jun 2026 end of life
claude-opus-4-20250514 15 Jun 2026 end of life
claude-sonnet-4-20250514 15 Jun 2026 end of life
claude-3-haiku-20240307 20 Apr 2026 end of life
claude-3-5-haiku-20241022 19 Feb 2026 end of life
claude-3-7-sonnet-20250219 19 Feb 2026 end of life
claude-3-opus-20240229 5 Jan 2026 end of life

Frequently asked questions

When does Claude model claude-opus-4-1-20250805 reach end of life?

Claude model claude-opus-4-1-20250805 reaches end of life on 5 August 2026.

When does Claude model claude-mythos-preview reach end of life?

Claude model claude-mythos-preview reached end of life on 30 June 2026.

When does Claude model claude-opus-4-20250514 reach end of life?

Claude model claude-opus-4-20250514 reached end of life on 15 June 2026.

When does Claude model claude-sonnet-4-20250514 reach end of life?

Claude model claude-sonnet-4-20250514 reached end of life on 15 June 2026.

When does Claude model claude-3-haiku-20240307 reach end of life?

Claude model claude-3-haiku-20240307 reached end of life on 20 April 2026.

When does Claude model claude-3-5-haiku-20241022 reach end of life?

Claude model claude-3-5-haiku-20241022 reached end of life on 19 February 2026.

Which Claude model versions are still supported?

Currently supported Claude model versions: claude-opus-4-1-20250805, claude-mythos-preview, claude-opus-4-20250514, claude-sonnet-4-20250514, claude-3-haiku-20240307, claude-3-5-haiku-20241022, claude-3-7-sonnet-20250219, claude-3-opus-20240229.

How can I get Claude model end-of-life alerts?

ReleaseBytes sends free email or Slack alerts 90, 30 and 7 days before a tracked version reaches end of life, and its GitHub App can open an issue in your repository when something you depend on is close to EOL.