claude-1.0 — Retired — shutdown November 6, 2024
For claude-1.0, provider is Anthropic; lifecycle status is Retired; deprecation announced is September 4, 2024; shutdown / retirement date is November 6, 2024; recommended replacement is claude-haiku-4-5-20251001; platform / deployment scope is Anthropic API / Claude Platform on AWS / Microsoft Foundry, recorded from its source on 2026-08-28.
- Provider
- Anthropic our reading
- Model ID / API name
- claude-1.0 verified
- Lifecycle status
- Retired verified
- Deprecation announced
- September 4, 2024 verified
- Shutdown / retirement date
- November 6, 2024 verified
- Recommended replacement
- claude-haiku-4-5-20251001 verified
- Platform / deployment scope
- Anthropic API / Claude Platform on AWS / Microsoft Foundry our reading
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
2024-09-04: Claude 1 and Instant models These models were retired November 6, 2024. On September 4, 2024, Anthropic notified developers using Claude 1 and Instant models of their upcoming retirements. Retirement date | Deprecated model | Recommended replacement | November 6, 2024 | claude-1.0 | claude-haiku-4-5-20251001 |
— docs.anthropic.com, retrieved 2026-08-28
Source
- docs.anthropic.comhttps://docs.anthropic.com/en/docs/about-claude/model-deprecations
This one changes, and we watch it.AI model deprecation and retirement dates by provider is re-read on a schedule and every change is dated. Subscribe: Atom feed · JSON · what has changed so far.