Mathematics · Mistral AI

Mistral Small 3 8B on AIME 2025: score, rank and what it means

Mistral Small 3 8B scores 47.5 on AIME 2025, placing it #473 of 600 models in the index. The benchmark average is 63.6 and the leader is Claude Opus 4.5 Pro at 91.4.

Score
47.5
0–100 scale
Rank
#473
of 600
Percentile
21th
within the index
Benchmark avg
63.6
all models
Leader
91.4
Claude Opus 4.5 Pro
Gap to leader
43.9
points

Score distribution

The chart shows the top 10 models on AIME 2025, with Mistral Small 3 8B highlighted. Longer bars mean higher scores.

Claude Opus 4.5 Pro 91.4
GPT-5.2 Pro 91.0
GPT-5.1 Pro 90.6
GPT-5.2 90.6
o4 Reasoning 90.3
o4 Pro 89.9
Claude Opus 4.5 89.8
Gemini 3 Pro Max 89.6
Claude Opus 4.5 Max 89.3
Claude Opus 4.5 Reasoning 88.9

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
2 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
3 GPT-5.1 Pro OpenAI 200000 $19.77 87.8
4 GPT-5.2 OpenAI 2000000 $19.71 88.0
5 o4 Reasoning OpenAI 1000000 $19.69 87.5
6 o4 Pro OpenAI 1000000 $19.37 87.3
7 Claude Opus 4.5 Anthropic 400000 $19.42 87.7
8 Gemini 3 Pro Max Google DeepMind 2000000 $20.57 87.9
9 Claude Opus 4.5 Max Anthropic 1000000 $20.90 87.8
10 Claude Opus 4.5 Reasoning Anthropic 2000000 $20.91 88.2

What this score means

On AIME 2025, Mistral Small 3 8B sits at #473 of 600. The leader, Claude Opus 4.5 Pro, scores 91.4, so the gap to the top is 43.9 points. The median model in this index scores 67.6, which puts Mistral Small 3 8B below the midpoint.

Mistral AI models average 59.6 on this benchmark. Mistral Small 3 8B is 12.1 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 41.6. Mistral Small 3 8B is 5.9 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 47.5 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 $0.99 per million input tokens, Mistral Small 3 8B is below the median input price of $4.00 across the 600 models scored on AIME 2025. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Nova Lite Nano Amazon 8192 $3.29 59.5
Kimi K1.5 7B Moonshot AI 8192 $1.35 59.9
Gemma 3 7B Google DeepMind 32768 $0.90 55.9
Mistral Large 3 1.5B Mistral AI 32768 $0.82 55.4
Mistral Small 3 8B Mistral AI 8192 $0.99 57.2
Mistral Small 3 7B Mistral AI 4096 $0.89 55.2
Llama 3.1 Cerebras 8B Cerebras 32768 $1.02 58.2

Other benchmarks for Mistral Small 3 8B

BenchmarkScoreRankPercentileRelative
MMLU-Pro 62.6 494 18th
GPQA Diamond 51.8 501 17th
SWE-bench Verified 40.7 514 14th
HumanEval 61.3 478 20th
MATH-500 55.5 516 14th
LiveCodeBench 45.8 489 19th
IFEval 68.9 477 21th
TruthfulQA 62.9 494 18th
HellaSwag 73.5 468 22th
MMMU 58.3 453 25th
Arena Elo 1253.4 485 19th

FAQ

What score does Mistral Small 3 8B get on AIME 2025?

Mistral Small 3 8B scores 47.5 on AIME 2025 in this index. The benchmark average is 63.6 and the top score is 91.4.

How does Mistral Small 3 8B rank on AIME 2025?

It ranks #473 of 600 models, in the 21st percentile. The leader is Claude Opus 4.5 Pro at 91.4.

Is Mistral Small 3 8B good at AIME 2025?

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 AIME 2025 score calculated?

AIME 2025 is a mathematics 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 8B cost?

Mistral Small 3 8B costs $0.99 per million input tokens and $5.38 per million output tokens.

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