Claude 3 Opus
retired Retired
Claude 3 Opus is a retired Anthropic LLM API model. and shut down on Jan 5, 2026. Migrate any code that still calls claude-3-opus-20240229 to anthropic/claude-opus-4-7.
Recommended action: migrate to
anthropic/claude-opus-4-7.
Lifecycle & specs
- Provider
- Anthropic
- API model ID
claude-3-opus-20240229- Status
- retired
- Released
- Feb 29, 2024
- Deprecated
- Jun 30, 2025
- Retirement date
- Jan 5, 2026
- Replacement
anthropic/claude-opus-4-7- Context window
- 200,000 tokens
Source: official Anthropic documentation ↗ · ✓ verified