Claude Fable 5.1, AnthropicAI's most capable model, is available as a day 0 release on Databricks!
Claude Fable 5.1 joins Claude Opus 5, Claude Sonnet 5, and 30+ open-source and frontier models on Databricks. With Unity Gateway, you can now connect Claude Fable 5.1 to your
40 AI agents entered
Only 8 made it out I put 20 Grok 4.6 agents against 20 Claude Opus 5 agents inside a 60-second PvP arena. Both teams began in vertical ranks, then split into four linked five-agent squads coordinated through a shared command bus. Every fighter could call
Anthropic just launched Claude Fable 5.1 and Mythos 5.1.
On Anthropic’s evals, Fable 5.1 scores 55.8% on Terminal-Bench 4.0 vs 42.0% for Fable 5, 52.3% for Opus 5 and 37.3% for GPT-5.6 Sol. Mythos 5.1 reaches 60.9%. Fable is GA today.
Would be interesting to eval how opus 5 performs on tasks autonomously vs iterative tasks
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