LMArena (@arena) reports Anthropic’s Fable 5.1 (Max) leads Code Arena WebDev at 1765 pts, +77 over #2 Qwen3.8-Max-0902 and +78 over #3 Opus 5 (Max). That is a big jump from Fable 5 (Max) at #8 (1628). At a blended ~$40/MToken it also lifts the higher-priced Pareto frontier.

Key Takeaways

  • ✓#1 on Code Arena WebDev at 1765, roughly +77/+78 vs Qwen3.8-Max-0902 and Opus 5 (Max).
  • ✓Huge jump from Fable 5 (Max) at #8 (1628), raising the Max-tier coding bar.
  • ✓Blended ~$40/MToken stays premium but reshapes the high-price Pareto frontier.
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