- Context
- 1Mtokens
- Released
- 2mo ago
Specifications
Model
- Developer
- Anthropic
- Family
- ClaudeClaude 5.1
- Type
- Language model
- Released
- September 1, 2026
- Model ID
anthropic/claude-mythos-5-1
Capabilities
- Input → output
- Text, image, file → Text
- Max output
- 128K tokens
- Knowledge cutoff
- 2026-06
Weights
- Openness
- Closed
Sources:models.dev
Metadata synced Nov 3, 2026, 11:17 PM UTC