GPT-5.1 Mini on MATH-500: score, rank and what it means
GPT-5.1 Mini scores 79.9 on MATH-500, placing it #210 of 600 models in the index. The benchmark average is 72.5 and the leader is GPT-5.2 Max at 96.7.
Score distribution
The chart shows the top 10 models on MATH-500, with GPT-5.1 Mini highlighted. Longer bars mean higher scores.
Top 10 leaderboard
| # | Model | Provider | Context | Input / 1M | Avg 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-5.1 Pro | OpenAI | 200000 | $19.77 | 87.8 |
| 4 | o4 Reasoning | OpenAI | 1000000 | $19.69 | 87.5 |
| 5 | Grok 4 Max | xAI | 2000000 | $19.70 | 86.6 |
| 6 | Grok 4 Reasoning | xAI | 2000000 | $19.67 | 87.8 |
| 7 | Claude Opus 4.5 Max | Anthropic | 1000000 | $20.90 | 87.8 |
| 8 | Claude Opus 4.5 | Anthropic | 400000 | $19.42 | 87.7 |
| 9 | Gemini 3 Pro Reasoning | Google DeepMind | 200000 | $19.69 | 87.5 |
| 10 | Claude Opus 4.5 Turbo | Anthropic | 2000000 | $19.57 | 85.7 |
What this score means
On MATH-500, GPT-5.1 Mini sits at #210 of 600. The leader, GPT-5.2 Max, scores 96.7, so the gap to the top is 16.8 points. The median model in this index scores 76.0, which puts GPT-5.1 Mini above the midpoint.
OpenAI models average 87.5 on this benchmark. GPT-5.1 Mini is 7.6 points below that provider line, so it is a weaker result than the average OpenAI model.
Among multimodal models, the average is 81.3. GPT-5.1 Mini is 1.4 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 79.9 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 $12.19 per million input tokens, GPT-5.1 Mini is above the median input price of $4.00 across the 600 models scored on MATH-500. The models immediately around it in the ranking are shown below so you can compare score and price together.
| Model | Provider | Context | Input / 1M | Avg score |
|---|---|---|---|---|
| Llama 3 Replicate | Replicate | 200000 | $3.75 | 75.7 |
| Phi-4 Instruct | Microsoft | 128000 | $3.79 | 75.3 |
| QwQ | Alibaba Cloud | 128000 | $4.57 | 78.6 |
| DeepSeek-Coder | DeepSeek | 32768 | $4.55 | 78.1 |
| GPT-5.1 Mini | OpenAI | 128000 | $12.19 | 77.7 |
| Kimi K1.5 Base | Moonshot AI | 65536 | $4.34 | 77.4 |
| Llama 3 Novita Instruct | Novita AI | 32768 | $3.94 | 75.6 |
Other benchmarks for GPT-5.1 Mini
| Benchmark | Score | Rank | Percentile | Relative |
|---|---|---|---|---|
| MMLU-Pro | 79.1 | 205 | 66th | |
| GPQA Diamond | 71.4 | 231 | 62th | |
| SWE-bench Verified | 66.3 | 184 | 69th | |
| HumanEval | 80.5 | 219 | 64th | |
| AIME 2025 | 71.5 | 226 | 62th | |
| LiveCodeBench | 71.0 | 172 | 71th | |
| IFEval | 86.8 | 138 | 77th | |
| TruthfulQA | 82.4 | 120 | 80th | |
| HellaSwag | 88.8 | 118 | 80th | |
| MMMU | 76.6 | 120 | 80th | |
| Arena Elo | 1422.9 | 135 | 78th |
FAQ
What score does GPT-5.1 Mini get on MATH-500?
GPT-5.1 Mini scores 79.9 on MATH-500 in this index. The benchmark average is 72.5 and the top score is 96.7.
How does GPT-5.1 Mini rank on MATH-500?
It ranks #210 of 600 models, in the 65th percentile. The leader is GPT-5.2 Max at 96.7.
Is GPT-5.1 Mini good at MATH-500?
Yes, relative to the index: it is above the median and inside the top half of scores. The result should be read alongside its price and context window.
How is the MATH-500 score calculated?
MATH-500 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 GPT-5.1 Mini cost?
GPT-5.1 Mini costs $12.19 per million input tokens and $44.14 per million output tokens.