Mathematics · Stability AI

StableLM 2 Instruct on AIME 2025: score, rank and what it means

StableLM 2 Instruct scores 53.9 on AIME 2025, placing it #425 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
53.9
0–100 scale
Rank
#425
of 600
Percentile
29th
within the index
Benchmark avg
63.6
all models
Leader
91.4
Claude Opus 4.5 Pro
Gap to leader
37.5
points

Score distribution

The chart shows the top 10 models on AIME 2025, with StableLM 2 Instruct 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, StableLM 2 Instruct sits at #425 of 600. The leader, Claude Opus 4.5 Pro, scores 91.4, so the gap to the top is 37.5 points. The median model in this index scores 67.6, which puts StableLM 2 Instruct below the midpoint.

Stability AI models average 43.9 on this benchmark. StableLM 2 Instruct is 10.0 points above that provider line, so it is a stronger result than the average Stability AI model.

Among open-weight models, the average is 61.8. StableLM 2 Instruct is 7.9 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 53.9 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 $1.93 per million input tokens, StableLM 2 Instruct 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
Llama 4 Maverick 8B Meta AI 4096 $1.64 63.4
Embed 4 Cohere 32768 $4.79 63.8
GPT-NeoX Instruct EleutherAI 16384 $1.52 62.6
MiniMax-M2 7B MiniMax 8192 $1.44 60.8
StableLM 2 Instruct Stability AI 16384 $1.93 65.2
ERNIE 4.0 Nano Baidu 32768 $4.68 62.1
GLM-4.5 8B Zhipu AI 32768 $1.46 61.3

Other benchmarks for StableLM 2 Instruct

BenchmarkScoreRankPercentileRelative
MMLU-Pro 69.9 396 34th
GPQA Diamond 62.2 389 35th
SWE-bench Verified 54.5 389 35th
HumanEval 69.5 404 33th
MATH-500 67.7 403 33th
LiveCodeBench 55.9 398 34th
IFEval 72.9 418 30th
TruthfulQA 70.0 400 33th
HellaSwag 77.5 408 32th
MMMU 63.0 399 34th
Arena Elo 1301.8 415 31th

FAQ

What score does StableLM 2 Instruct get on AIME 2025?

StableLM 2 Instruct scores 53.9 on AIME 2025 in this index. The benchmark average is 63.6 and the top score is 91.4.

How does StableLM 2 Instruct rank on AIME 2025?

It ranks #425 of 600 models, in the 29th percentile. The leader is Claude Opus 4.5 Pro at 91.4.

Is StableLM 2 Instruct 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 StableLM 2 Instruct cost?

StableLM 2 Instruct costs $1.93 per million input tokens and $8.75 per million output tokens.

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