Claude 3 Opus
A historical Opus: claude-3-opus-20240229 retired from the Claude API on 2026-01-05. Retained for old-name and migration lookup.
Vendor service retired
- Vendor
- Anthropic
- Modality
- text
- Directory associations
- 0
Sources and review scope
Official identity and task scope checked
A specifically named model entry; the sources define what was checked.
Checks cover only the names and tasks supported by the linked sources. They do not verify benchmarks, rankings, licensing, or another tool's current configuration.
Checked:
Article updated:
- Claude model deprecationsChecked: 2026-10-15
Directory matching names
These names match legacy directory records; they are not automatically official aliases or identical snapshots.
Claude 3 Opusclaude-3-opus-20240229
Related models
Other models from the same vendor or modality.
Claude Fable 5.1AnthropicOfficial identity and task scope checkedListed as available by vendorClaude Opus 5.5AnthropicOfficial identity and task scope checkedListed as available by vendorClaude Sonnet 5.5AnthropicOfficial identity and task scope checkedListed as available by vendorClaude Haiku 5.5AnthropicOfficial identity and task scope checkedListed as available by vendor