Model comparison
GPT-5 Pro vs Ministral 3B
GPT-5 Pro is the stronger model overall, scoring 46.4 to 26.2 on the Noometry Index. Ministral 3B costs 413× less per token, which makes it the better buy when GPT-5 Pro's lead doesn't matter for your workload.
Last verified . 1 shared benchmarks.
Mistral AISummary
- They share 1 benchmark with published results for both. GPT-5 Pro scores higher in 3 categories and Ministral 3B in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5 Pro leads 56.7 to 10.4.
- Ministral 3B is cheaper at $0.10 / $0.10 per million input/output tokens, against $15 / $120 for GPT-5 Pro.
- GPT-5 Pro accepts more context: 400K tokens versus 131K.
- Ministral 3B has downloadable open weights; the other is API-only.
Side by side
| GPT-5 Pro | Ministral 3B | |
|---|---|---|
| Provider | OpenAI | Mistral AI |
| Noometry Index | 46.4 | 26.2 |
| Released | 2025-10-06 | 2024-10-01 |
| Weights | Proprietary | Open |
| Context window | 400K | 131K |
| Max output | 272K | 262K |
| Input $ / M tokens | $15 | $0.10 |
| Output $ / M tokens | $120 | $0.10 |
| Results tracked | 12 | 6 |
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Category by category
Coding Not comparable
GPT-5 Pro: 44.0 (#80), Ministral 3B: —
Reasoning GPT-5 Pro leads
GPT-5 Pro: 38.9 (#62), Ministral 3B: 18.4 (#282)
| Benchmark | GPT-5 Pro | Ministral 3B |
|---|---|---|
| Epoch Capabilities Index | 150.28 | 118.1 |
| ARC-AGI-2 | 18.3% | — |
| SimpleBench | 61.6% | — |
| Kagi LLM Benchmark | 76.8% | — |
| ARC-AGI-1 | 70.2% | — |
| EnigmaEval | 18.8% | — |
| DTBench | — | 51.7% |
| LMCA | — | 5.5% |
Math GPT-5 Pro leads
GPT-5 Pro: 48.5 (#63), Ministral 3B: 26.6 (#258)
| Benchmark | GPT-5 Pro | Ministral 3B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 55.8% | — |
| FrontierMath Tier 4 | 19.5% | — |
| MATH Level 5 | — | 14.4% |
| FrontierMath Tier 4 (v1) | 14.6% | — |
Knowledge GPT-5 Pro leads
GPT-5 Pro: 56.7 (#42), Ministral 3B: 10.4 (#302)
| Benchmark | GPT-5 Pro | Ministral 3B |
|---|---|---|
| GPQA Diamond | — | 25.3% |
| Humanity's Last Exam | 31.6% | — |
| Vectara Hallucination Rate | — | 7.3% |
Frequently asked questions
Is GPT-5 Pro better than Ministral 3B?
GPT-5 Pro is the stronger model overall, scoring 46.4 to 26.2 on the Noometry Index. Ministral 3B costs 413× less per token, which makes it the better buy when GPT-5 Pro's lead doesn't matter for your workload.
Which is cheaper, GPT-5 Pro or Ministral 3B?
Ministral 3B is cheaper. It lists at $0.10 per million input tokens and $0.10 per million output tokens; GPT-5 Pro lists at $15 and $120.
Which has the bigger context window?
GPT-5 Pro does, with 400K tokens against 131K.
How many benchmarks do GPT-5 Pro and Ministral 3B share?
1 benchmark has published results for both models. GPT-5 Pro has 12 scored results on Noometry and Ministral 3B has 6.