Multimodal · OpenRouter

Auto Reasoning on MMMU: score, rank and what it means

Auto Reasoning scores 68.1 on MMMU, placing it #341 of 600 models in the index. The benchmark average is 67.1 and the leader is GPT-5.2 Max at 86.9.

Score
68.1
0–100 scale
Rank
#341
of 600
Percentile
43th
within the index
Benchmark avg
67.1
all models
Leader
86.9
GPT-5.2 Max
Gap to leader
18.8
points

Score distribution

The chart shows the top 10 models on MMMU, with Auto Reasoning highlighted. Longer bars mean higher scores.

GPT-5.2 Max 86.9
GPT-5.1 Reasoning 86.2
GPT-5.2 85.3
Claude Sonnet 4.5 Reasoning 85.2
GPT-5.1 Max 85.1
Grok 4 Pro 84.9
Claude Opus 4.5 Reasoning 84.6
Claude Sonnet 4.5 Pro 84.5
GPT-5.2 Pro 84.4
GPT-5.2 Vision 84.4

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 GPT-5.2 Max OpenAI 1000000 $21.39 89.2
2 GPT-5.1 Reasoning OpenAI 400000 $20.27 88.3
3 GPT-5.2 OpenAI 2000000 $19.71 88.0
4 Claude Sonnet 4.5 Reasoning Anthropic 400000 $19.48 87.7
5 GPT-5.1 Max OpenAI 2000000 $20.50 87.9
6 Grok 4 Pro xAI 1000000 $19.00 85.4
7 Claude Opus 4.5 Reasoning Anthropic 2000000 $20.91 88.2
8 Claude Sonnet 4.5 Pro Anthropic 1000000 $18.73 86.7
9 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
10 GPT-5.2 Vision OpenAI 1000000 $19.03 87.4

What this score means

On MMMU, Auto Reasoning sits at #341 of 600. The leader, GPT-5.2 Max, scores 86.9, so the gap to the top is 18.8 points. The median model in this index scores 70.0, which puts Auto Reasoning below the midpoint.

OpenRouter models average 66.0 on this benchmark. Auto Reasoning is 2.1 points above that provider line, so it is a stronger result than the average OpenRouter model.

Among mid-range models, the average is 65.0. Auto Reasoning is 3.1 points above that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.

Read a 68.1 as a relative signal, not an absolute guarantee. Benchmark scores depend on prompt format, evaluation harness and contamination controls. Use this page to narrow the shortlist, then test the model on your own data.

Price context

At $8.39 per million input tokens, Auto Reasoning is above the median input price of $4.00 across the 600 models scored on MMMU. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Seed-OSS Base ByteDance 16384 $3.14 72.2
Firefunction Pro Fireworks AI 16384 $9.05 72.9
Codestral Base Mistral AI 8192 $3.31 73.1
OLMo 2 Allen Institute for AI 65536 $2.99 71.0
Auto Reasoning OpenRouter 65536 $8.39 71.5
Llama 3.1 Cerebras Base Cerebras 65536 $3.36 72.7
Mixtral Groq Chat Groq 8192 $3.09 72.0

Other benchmarks for Auto Reasoning

BenchmarkScoreRankPercentileRelative
MMLU-Pro 77.3 266 56th
GPQA Diamond 65.8 344 43th
SWE-bench Verified 60.9 301 50th
HumanEval 77.3 302 50th
MATH-500 74.6 335 44th
AIME 2025 62.5 369 39th
LiveCodeBench 65.1 290 52th
IFEval 78.2 362 40th
TruthfulQA 74.7 337 44th
HellaSwag 81.6 357 41th
Arena Elo 1366.4 329 45th

FAQ

What score does Auto Reasoning get on MMMU?

Auto Reasoning scores 68.1 on MMMU in this index. The benchmark average is 67.1 and the top score is 86.9.

How does Auto Reasoning rank on MMMU?

It ranks #341 of 600 models, in the 43rd percentile. The leader is GPT-5.2 Max at 86.9.

Is Auto Reasoning good at MMMU?

It is below the median for this benchmark, so test it carefully before relying on it for this capability. The result should be read alongside its price and context window.

How is the MMMU score calculated?

MMMU is a multimodal benchmark. Scores in this index are modelled estimates on a 0–100 scale (or Elo for Arena), derived from capability tier and benchmark difficulty. They are not official leaderboard results.

What does Auto Reasoning cost?

Auto Reasoning costs $8.39 per million input tokens and $36.43 per million output tokens.

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