{"useCase":"hard-reasoning","label":"Hard reasoning / math-heavy","fetchedAt":"2026-08-21T23:50:22.193Z","source":"https://arena.ai/leaderboard/text/math-no-style-control","rationale":"Math leaderboard, quality ≥ 1400. Sorted by quality. Use the cheaper end of this list as a router when you're sure the task is hard.","models":[{"name":"claude-opus-5-max","organisation":"Anthropic","rating":1564.5065054066056,"contextLength":1000000,"inputPrice":5,"outputPrice":25,"blendedPrice":19,"valueIndex":2971.086870561082,"modelUrl":"https://www.anthropic.com/news/claude-opus-5"},{"name":"claude-opus-5-high","organisation":"Anthropic","rating":1537.7793472914418,"contextLength":1000000,"inputPrice":5,"outputPrice":25,"blendedPrice":19,"valueIndex":2830.417617323378,"modelUrl":"https://www.anthropic.com/news/claude-opus-5"},{"name":"gemini-3.7-flash-high","organisation":"Google","rating":1527.436702955634,"contextLength":1048576,"inputPrice":0.75,"outputPrice":3.57,"blendedPrice":2.7239999999999998,"valueIndex":19362.58087208642,"modelUrl":"https://blog.google/innovation-and-ai/models-and-research/gemini-models/introducing-gemini-3-7-flash/"},{"name":"claude-fable-5","organisation":"Anthropic","rating":1521.953587335266,"contextLength":1000000,"inputPrice":10,"outputPrice":50,"blendedPrice":38,"valueIndex":1373.5620719349108,"modelUrl":"https://www.anthropic.com/news/claude-fable-5-mythos-5"},{"name":"claude-opus-4-6-high","organisation":"Anthropic","rating":1515.8996372963304,"contextLength":1000000,"inputPrice":5,"outputPrice":25,"blendedPrice":19,"valueIndex":2715.2612489280546,"modelUrl":"https://www.anthropic.com/news/claude-opus-4-6"},{"name":"gemini-3.6-flash-high","organisation":"Google","rating":1513.7784806320572,"contextLength":1048576,"inputPrice":0.375,"outputPrice":1.875,"blendedPrice":1.425,"valueIndex":36054.630219793486,"modelUrl":"https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-6-flash-3-5-flash-lite-3-5-flash-cyber/"},{"name":"claude-opus-4-6","organisation":"Anthropic","rating":1511.8889778583818,"contextLength":1000000,"inputPrice":5,"outputPrice":25,"blendedPrice":19,"valueIndex":2694.1525150441153,"modelUrl":"https://www.anthropic.com/news/claude-opus-4-6"},{"name":"gemini-3.5-flash-high","organisation":"Google","rating":1508.224600140703,"contextLength":1048576,"inputPrice":0.75,"outputPrice":4.5,"blendedPrice":3.375,"valueIndex":15058.506670835644,"modelUrl":"https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-5/"},{"name":"qwen3.8-max","organisation":"Alibaba","rating":1507.8078501458647,"contextLength":1000000,"inputPrice":2,"outputPrice":6,"blendedPrice":4.799999999999999,"valueIndex":10579.330211372184,"modelUrl":"https://www.qwencloud.com/models/qwen3.8-max"},{"name":"claude-opus-4-7-high","organisation":"Anthropic","rating":1498.0087557865043,"contextLength":1000000,"inputPrice":5,"outputPrice":25,"blendedPrice":19,"valueIndex":2621.098714665812,"modelUrl":"https://www.anthropic.com/news/claude-opus-4-7"},{"name":"qwen3.7-max-preview","organisation":"Alibaba","rating":1492.7179525827096,"contextLength":1000000,"inputPrice":1.475,"outputPrice":4.425,"blendedPrice":3.5399999999999996,"valueIndex":13918.58623114999,"modelUrl":"https://chat.qwen.ai/?models=Qwen3.7-Max-Preview"},{"name":"kimi-k3-max","organisation":"Moonshot","rating":1492.2011308754727,"contextLength":null,"inputPrice":null,"outputPrice":null,"blendedPrice":null,"valueIndex":null,"modelUrl":"https://platform.kimi.ai/docs/guide/kimi-k3-quickstart"}]}