Claude Fable 5.2 (Max) is now #1 on Agent Arena, leading the Pareto frontier in real-world agentic performance!
Top models on Pareto Frontiers:
- #1 Claude Fable 5.2 (Max): +30.4% | $7.3/task
- #2 Claude Opus 5.5 (Max): +19.5% | $5.5/task
- #3 Gemini 4 Carbon (High): +17.0% | $1.5/task
- #7 GPT-6.1-Sol (Max): +12.5% | $1.1/task
- #8 GPT-6.1 Terra (Max): +10.8% | $0.9/task
Fable 5.2 delivers over 1.5x the net improvement of the #2 model, Opus 5.5, at a 32% higher median cost per task. Compared to Fable 5.1, it also delivers roughly 2x the net improvement at a 6% lower cost.
Congrats again to the @AnthropicAI team on this impressive release!