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Fable 5.1 Max opens substantial lead in AI model performance race
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There's some leapfrogging happening between Anthropic and the most recent Chinese model release. Basically they're in a race for the #1 model all the time. That said Fable 5.1 Max has taken quite a substantial lead this time. 80 Elo difference is no joke.
lmarena.ai@arenaSep 2
Big news: Fable 5.1 (Max) by @AnthropicAI just landed #1 in the Code Arena: WebDev with 1765 pts - breaking away from the pack with a huge +77pt margin. Fable 5.1 (Max) is a significant improvement from Fable 5 (Max) at #8 overall with 1628 pts. It’s +77 pts above Qwen3.8-Max-0902 in the #2 spot, and +78 pts above Opus 5 (Max) in the #3 spot. With 1765 pts and a blended $40/MToken, it also reshapes the Pareto frontier in the higher priced range by moving the performance bar much higher. See Pareto below. Congrats to the @AnthropicAI team on this release!