reasoning benchmark
Arena-Hard v2 is a benchmark of 500 prompts from Chatbot Arena and WildChat-1M for evaluating large language models on real-world user queries across software engineering, mathematics, creative writing, and technical problem-solving.
Updated Sep 5, 2026
Higher score ranks better on this benchmark.
Rank | Model | Score | Percentile | Participants | Evidence | Evaluated |
|---|
| Rank01 | ModelXI | Score86.20% | Percentile100.00% | Participants19 | EvidenceC | Evaluated |
| Rank02 | ModelAC | Score82.70% | Percentile94.44% | Participants19 | EvidenceC | Evaluated |
| Rank03 | ModelAC | Score79.70% | Percentile88.89% | Participants19 | EvidenceC | Evaluated |
| Rank04 | ModelAC | Score79.20% | Percentile83.33% | Participants19 | EvidenceC | Evaluated |
| Rank05 | ModelAC | Score77.40% | Percentile77.78% | Participants19 | EvidenceC | Evaluated |
| Rank06 | ModelNV | Score73.88% | Percentile72.22% | Participants19 | EvidenceC | Evaluated |
| Rank07 | ModelSA | Score71.00% | Percentile66.67% | Participants19 | EvidenceC | Evaluated |
| Rank08 | ModelIB | Score67.93% | Percentile61.11% | Participants19 | EvidenceC | Evaluated |
| Rank09 | ModelNV | Score67.70% | Percentile55.56% | Participants19 | EvidenceC | Evaluated |
| Rank10 | ModelIB | Score65.19% | Percentile50.00% | Participants19 | EvidenceC | Evaluated |
| Rank11 | ModelAC | Score64.70% | Percentile44.44% | Participants19 | EvidenceC | Evaluated |
| Rank12 | ModelAC | Score62.30% | Percentile38.89% | Participants19 | EvidenceC | Evaluated |
| Rank13 | ModelAC | Score60.50% | Percentile33.33% | Participants19 | EvidenceC | Evaluated |
| Rank14 | ModelAC | Score58.50% | Percentile27.78% | Participants19 | EvidenceC | Evaluated |
| Rank15 | ModelAC | Score56.70% | Percentile22.22% | Participants19 | EvidenceC | Evaluated |
| Rank16 | ModelAC | Score51.10% | Percentile16.67% | Participants19 | EvidenceC | Evaluated |
| Rank17 | ModelSA | Score49.00% | Percentile11.11% | Participants19 | EvidenceC | Evaluated |
| Rank18 | ModelAC | Score36.80% | Percentile5.56% | Participants19 | EvidenceC | Evaluated |
| Rank19 | ModelIB | Score34.96% | Percentile0.00% | Participants19 | EvidenceC | Evaluated |
The leading models and scores on this benchmark.
A closer view of the leading scores on this benchmark.
The first five results on this benchmark, with official price and output speed added where the model identity can be matched.
What Arena-Hard v2 measures and how its scores work.
Arena-Hard v2 is a benchmark consisting of 500 curated prompts sourced from Chatbot Arena and WildChat-1M, with automatic evaluation using LLM-as-a-Judge.
It measures large language model performance on open-ended software engineering problems, mathematics, creative writing, technical problem-solving, and other real-world user queries using the Score metric as a ratio.
Scores are shown in ratio. This benchmark is not independently verified and has an evidence level of B.
LLM Stats. Benchmark scores retain their original unit. Overall score eligibility is shown separately.
Common questions about Arena-Hard v2.
MiMo-V2-Flash is currently ranked first with 86.20%.
The current leaders are MiMo-V2-Flash (86.20%), Qwen3-Next-80B-A3B-Instruct (82.70%), and Qwen3-235B-A22B-Thinking-2507 (79.70%).
MiMo-V2-Flash has the lowest matched official input price at $0.14 input / $0.28 output per 1M tokens.
The fastest matched records are Qwen3 VL 4B Thinking (8.77 tok/s via DeepInfra).
No. This benchmark measures one defined capability or task. The overall LLMBoard score uses a separate aggregation across eligible benchmark evidence.
It measures large language model performance on open-ended software engineering problems, mathematics, creative writing, technical problem-solving, and other real-world user queries using the Score metric as a ratio.
Yes. Higher values rank better for this benchmark.
19 model results are currently shown.
No. This benchmark is shown for reference but does not contribute to the overall score.
Ranking basisThis arena-hard v2 AI model leaderboard uses descending score in the benchmark original unit. The leaderboard ranking keeps matched price and speed data separate from benchmark evidence.
Selection summary
MiMo-V2-Flash currently leads Arena-Hard v2 with 86.20%. It is the top model on this specific benchmark, while the best LLM for the broader task should also be checked against other benchmarks, price, and runtime.
Use this leaderboard with the supporting benchmark results and coverage details above. A leaderboard position summarizes the selected ranking signal; it does not replace workload-specific testing.