claude-instant-1.0
For claude-instant-1.0, provider is Anthropic; human-readable model name is Claude Instant 1.0; lifecycle status is Retired; deprecation announced is September 4, 2024; shutdown / retirement date is November 6, 2024, recorded from its source on 2026-08-12.
- Provider
- Anthropic verified
- Model ID / API name
- claude-instant-1.0 verified
- Human-readable model name
- Claude Instant 1.0
- 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
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 | November 6, 2024 | claude-1.1 | claude-haiku-4-5-20251001 | November 6, 2024 | claude-1.2 | claude-haiku-4-5-20251001 | November 6, 2024 | claude-1.3 | claude-haiku-4-5-20251001 | November 6, 2024 | claude-instant-1.0 | claude-haiku-4-5-20251001 | November 6, 2024 | claude-instant-1.1 | claude-haiku-4-5-20251001 | November 6, 2024 | claude-instant-1.2 | claude-haiku-4-5-20251001 | API parameter deprecations Anthropic occasionally deprecates request parameters that no longer apply to current models.
— docs.anthropic.com, retrieved 2026-08-12
Source
- docs.anthropic.comhttps://docs.anthropic.com/en/docs/about-claude/model-deprecations