LMArena: OpenAI GPT-6 Astra (Max) takes #1 on Code Arena WebDev at 1797 pts, about +35 over Claude Fable 5.1 (Max) at 1762 and ahead of Claude Opus 5 (Max) and GPT-5.6 Sol (xHigh). It also reshapes the quality-price Pareto frontier at ~$40/Mtoken matching latest Claude pricing, on agentic web-dev workflows with multi-step reasoning and tool use.

Key Takeaways

  • βœ“Astra (Max) scores 1797 on WebDev, ~+35 over Fable 5.1 Max (1762).
  • βœ“Best-performing model on the ~$40/Mtoken Pareto frontier, matching latest Claude pricing.
  • βœ“Ranks agentic web-dev workflows with multi-step reasoning and tool use.
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