Model comparison
GPT-5.2 Pro vs Ministral 3B
GPT-5.2 Pro is the stronger model overall, scoring 52.2 to 25.6 on the Noometry Index. Ministral 3B costs 1444× less per token, which makes it the better buy when GPT-5.2 Pro's lead doesn't matter for your workload.
Last verified . 1 shared benchmarks.
Summary
- They share 1 benchmark with published results for both. GPT-5.2 Pro scores higher in 2 categories and Ministral 3B in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5.2 Pro leads 64.8 to 24.5.
- Ministral 3B is cheaper at $0.04 / $0.04 per million input/output tokens, against $21 / $168 for GPT-5.2 Pro.
- GPT-5.2 Pro accepts more context: 400K tokens versus 128K.
- Ministral 3B has downloadable open weights; the other is API-only.
Side by side
| GPT-5.2 Pro | Ministral 3B | |
|---|---|---|
| Provider | OpenAI | Mistral AI |
| Noometry Index | 52.2 | 25.6 |
| Released | 2025-12-11 | 2024-10-01 |
| Weights | Proprietary | Open |
| Context window | 400K | 128K |
| Max output | 128K | 128K |
| Input $ / M tokens | $21 | $0.04 |
| Output $ / M tokens | $168 | $0.04 |
| Results tracked | 8 | 6 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Reasoning GPT-5.2 Pro leads
GPT-5.2 Pro: 51.8 (#31), Ministral 3B: 17.7 (#278)
| Benchmark | GPT-5.2 Pro | Ministral 3B |
|---|---|---|
| Epoch Capabilities Index | 155.41 | 118.08 |
| ARC-AGI-2 | 54.2% | — |
| SimpleBench | 57.4% | — |
| NYT Connections (extended) | 79.3% | — |
| ARC-AGI-1 | 90.5% | — |
| DTBench | — | 51.7% |
| LMCA | — | 5.5% |
Math GPT-5.2 Pro leads
GPT-5.2 Pro: 64.8 (#23), Ministral 3B: 24.5 (#257)
| Benchmark | GPT-5.2 Pro | Ministral 3B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 74% | — |
| FrontierMath Tier 4 | 46% | — |
| MATH Level 5 | — | 14.4% |
| FrontierMath Tier 4 (v1) | 31.3% | — |
Knowledge Not comparable
GPT-5.2 Pro: —, Ministral 3B: 10.4 (#297)
| Benchmark | GPT-5.2 Pro | Ministral 3B |
|---|---|---|
| GPQA Diamond | — | 25.3% |
| Vectara Hallucination Rate | — | 7.3% |
Frequently asked questions
Is GPT-5.2 Pro better than Ministral 3B?
GPT-5.2 Pro is the stronger model overall, scoring 52.2 to 25.6 on the Noometry Index. Ministral 3B costs 1444× less per token, which makes it the better buy when GPT-5.2 Pro's lead doesn't matter for your workload.
Which is cheaper, GPT-5.2 Pro or Ministral 3B?
Ministral 3B is cheaper. It lists at $0.04 per million input tokens and $0.04 per million output tokens; GPT-5.2 Pro lists at $21 and $168.
Which has the bigger context window?
GPT-5.2 Pro does, with 400K tokens against 128K.
How many benchmarks do GPT-5.2 Pro and Ministral 3B share?
1 benchmark has published results for both models. GPT-5.2 Pro has 8 scored results on Noometry and Ministral 3B has 6.