Benchmark Almanac

CompassArena

MiMo-V2.5-Pro 1,062 leads since April 2026
Not in model cards

Users chat with two anonymous models side by side, mostly in Chinese, and vote for the better answer. A Bradley-Terry model turns the votes into Elo-style ratings.

Launched on May 27th, 2024 with 23 models. The first board on June 13th, 2024 used about 6,000 battles. Later updates added multimodal battles and a search-off sub-board.

Released
May 2024
Kind
Overall chat quality
Level
Everyday
Scored
Ranked by votes
Answers
Open-ended
Tasks
Kept private
Strongest model tested
GPT-5.5 #20 on the capability index
Last model added
June 2026
Scores refreshed
November 12th, 2026
10
Models scored on its own leaderboard

MiMo-V2.5-Pro leads with 1,062 among models released by June 2026

Best score per model from the benchmark's own leaderboard, read on November 12th, 2026. Where a model ran with several settings or harnesses, we keep its best.

The newest model with a score here came out in June 2026, and nobody has tested a newer one. Among the 20 highest-ranked models on the capability index, these have no score yet:

Bars start at 960.

  1. 1 MiMo-V2.5-Pro 1,062
  2. 2 Qwen3.7-Max 1,055
  3. 3 Kimi K2.6 1,047
  4. 4 DeepSeek-V4-Pro 1,020
  5. 5 GLM-5.1 1,006
  6. 6 Claude Opus 4.8 995
  7. 7 Gemini 3.5 Flash 994
  8. 8 MiniMax-M3 990
  9. 9 GPT-5.5 989
  10. 10 Tencent Hy3 preview 963

Source: Official CompassArena leaderboard

#ModelScoreSettingDateSource
1 MiMo-V2.5-Pro 1,062 Apr 2026 Official leaderboard
2 Qwen3.7-Max 1,055 May 2026 Official leaderboard
3 Kimi K2.6 1,047 Apr 2026 Official leaderboard
4 DeepSeek-V4-Pro 1,020 Apr 2026 Official leaderboard
5 GLM-5.1 1,006 Apr 2026 Official leaderboard
6 Claude Opus 4.8 995 May 2026 Official leaderboard
7 Gemini 3.5 Flash 994 May 2026 Official leaderboard
8 MiniMax-M3 990 Jun 2026 Official leaderboard
9 GPT-5.5 989 Apr 2026 Official leaderboard
10 Tencent Hy3 preview 963 Apr 2026 Official leaderboard

3 models have held number one on the official leaderboard since its release in May 2024

Lab claims count from the day the card came out, independent runs from the model’s release.

Z.ai Moonshot AI Xiaomi Corp
Own leaderboard Not tested since Jun 2026

Source: Official CompassArena leaderboard

Scores over time

All the scores we have, one dot each, so a model tested at several settings appears more than once.

On the benchmark’s own leaderboard
975 1,000 1,025 1,050 1,075 2026 975 1,000 1,025 1,050 1,075 2026

Source: Official CompassArena leaderboard

No lab model card reports it yet

We read the headline results of 522 launch posts from 52 labs, and none of them list this benchmark.

More in Instructions and chat

All 81 in Instructions and chat
  • IFEval In use Models answer about 500 prompts containing verifiable instructions such as word limits or required keywords. Code checks each instruction for strict and loose accuracy. Gemma 4 31B IT 98.9%
  • IFBench In use 58 new out-of-domain verifiable output constraints. Scored by programmatic constraint checks (strict or loose). Nemotron-Cascade 2 30B-A3B 82.9%
  • MultiChallenge In use Multi-turn conversations testing instruction retention, inference memory, versioned editing and self-coherence. Graded by LLM judge with rubrics. GPT-6.1 Sol 82%
  • Multi-IF In use Models follow verifiable instructions over three-turn conversations in eight languages, extending IFEval. Scored by instruction accuracy at each turn. LFM3-1.7B 89.1%
  • AdvancedIF In use Models respond to over 1,600 prompts with complex, multi-turn, and system-level instructions. A judge model checks each response against expert-written rubrics. MAI-Thinking-1 85%
  • IFStruct In use Models generate JSON or YAML that must follow a requested schema and phrasing constraints, without constrained decoding. A response passes only if every structural constraint holds. Gemma 4 31B IT 95.9%