Multimodal · Mistral AI

Mistral Small 3 1.5B on MMMU: score, rank and what it means

Mistral Small 3 1.5B scores 48.0 on MMMU, placing it #565 of 600 models in the index. The benchmark average is 67.1 and the leader is GPT-5.2 Max at 86.9.

Score
48.0
0–100 scale
Rank
#565
of 600
Percentile
6th
within the index
Benchmark avg
67.1
all models
Leader
86.9
GPT-5.2 Max
Gap to leader
38.9
points

Score distribution

The chart shows the top 10 models on MMMU, with Mistral Small 3 1.5B 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, Mistral Small 3 1.5B sits at #565 of 600. The leader, GPT-5.2 Max, scores 86.9, so the gap to the top is 38.9 points. The median model in this index scores 70.0, which puts Mistral Small 3 1.5B below the midpoint.

Mistral AI models average 64.8 on this benchmark. Mistral Small 3 1.5B is 16.8 points below that provider line, so it is a weaker result than the average Mistral AI model.

Among small open-weight models, the average is 52.4. Mistral Small 3 1.5B is 4.4 points below that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.

Read a 48.0 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 $0.42 per million input tokens, Mistral Small 3 1.5B is below 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
Gemma 3 1.5B Google DeepMind 32768 $0.40 48.9
DBRX 7B Databricks 8192 $0.65 51.9
DBRX 1.5B Databricks 16384 $0.32 47.0
Llama 3.1 Cerebras 1.5B Cerebras 4096 $0.48 50.2
Mistral Small 3 1.5B Mistral AI 32768 $0.42 49.2
StableLM 2 8B Stability AI 32768 $0.38 47.0
Mixtral 1.5B Mistral AI 16384 $0.36 47.7

Other benchmarks for Mistral Small 3 1.5B

BenchmarkScoreRankPercentileRelative
MMLU-Pro 56.3 566 6th
GPQA Diamond 44.3 569 5th
SWE-bench Verified 34.7 561 7th
HumanEval 50.9 568 5th
MATH-500 48.7 569 5th
AIME 2025 36.6 558 7th
LiveCodeBench 34.5 572 5th
IFEval 62.5 551 8th
TruthfulQA 56.1 564 6th
HellaSwag 68.5 554 8th
Arena Elo 1200.3 555 8th

FAQ

What score does Mistral Small 3 1.5B get on MMMU?

Mistral Small 3 1.5B scores 48.0 on MMMU in this index. The benchmark average is 67.1 and the top score is 86.9.

How does Mistral Small 3 1.5B rank on MMMU?

It ranks #565 of 600 models, in the 6th percentile. The leader is GPT-5.2 Max at 86.9.

Is Mistral Small 3 1.5B 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 Mistral Small 3 1.5B cost?

Mistral Small 3 1.5B costs $0.42 per million input tokens and $1.58 per million output tokens.

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