MiniMax says M3.1 Flash runs agentic tasks for 70% less than its predecessor and about three times faster. Reasoning is always on, with five effort levels from Low to Max. Benchmark figures are company-reported. See our report.
AnthropicSep 1, 2026
Claude Fable 5.1
Anthropic's model for the most demanding reasoning and long-horizon agentic work, with a 1M-token context window and always-on adaptive thinking.
- Type
- Reasoning
- Context
- 1M
- Weights
- Closed