LMSYS Arena updated Code Arena: WebDev rankings: OpenAI GPT-6 Astra (Max) leads at 1800 points, with Anthropic Claude Fable 5.1 (Max) second at 1758. Anonymous win-rate charts show Astra dominating most matchups, including about 72.5% against GPT-5.6 Sol (xHigh).

Key Takeaways

  • ✓WebDev board: GPT-6 Astra (Max) #1 at 1800; Claude Fable 5.1 (Max) #2 at 1758
  • ✓Anonymous win rates show Astra ahead of most rivals
  • ✓About 72.5% win rate versus GPT-5.6 Sol (xHigh)
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Up NextLMArena: GPT-6 Astra (Max) tops Code Arena WebDev at 1797, +35 over Fable 5.1 Max
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