Model comparison
Gemini 3.1 Pro Preview vs Ministral 3B
Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 25.6 on the Noometry Index. Ministral 3B costs 113× less per token, which makes it the better buy when Gemini 3.1 Pro Preview's lead doesn't matter for your workload.
Last verified . 5 shared benchmarks.
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Mistral AISummary
- They share 5 benchmarks with published results for both. Gemini 3.1 Pro Preview 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 Gemini 3.1 Pro Preview leads 71.8 to 10.4.
- The biggest single-benchmark swing is GPQA Diamond: 94.4% for Gemini 3.1 Pro Preview and 25.3% for Ministral 3B.
- Ministral 3B is cheaper at $0.04 / $0.04 per million input/output tokens, against $2 / $12 for Gemini 3.1 Pro Preview.
- Gemini 3.1 Pro Preview accepts more context: 1.05M tokens versus 128K.
- Ministral 3B has downloadable open weights; the other is API-only.
Side by side
| Gemini 3.1 Pro Preview | Ministral 3B | |
|---|---|---|
| Provider | Mistral AI | |
| Noometry Index | 56.7 | 25.6 |
| Released | 2026-02-19 | 2024-10-01 |
| Weights | Proprietary | Open |
| Context window | 1.05M | 128K |
| Max output | 66K | 128K |
| Input $ / M tokens | $2 | $0.04 |
| Output $ / M tokens | $12 | $0.04 |
| Results tracked | 71 | 6 |
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Category by category
Coding Not comparable
Gemini 3.1 Pro Preview: 42.7 (#88), Ministral 3B: —
| Benchmark | Gemini 3.1 Pro Preview | Ministral 3B |
|---|---|---|
| SWE-bench Verified | 75.6% | — |
| DeepSWE | 11.7% | — |
| LMArena WebDev | 1446 | — |
| SciCode | 58.9% | — |
| GSO | 22.6% | — |
| WeirdML | 72.1% | — |
| LMArena Coding | 1483 | — |
| MirrorCode | 8.9% | — |
| ALE-Bench | 1,161 | — |
| AlgoTune | 2.02 | — |
Agentic & Tool Use Not comparable
Gemini 3.1 Pro Preview: 37.7 (#33), Ministral 3B: —
| Benchmark | Gemini 3.1 Pro Preview | Ministral 3B |
|---|---|---|
| Terminal-Bench | 80.2% | — |
| APEX-Agents | 35.3% | — |
| τ²-bench Banking | 26% | — |
| DeepResearch Bench | 47.8% | — |
| PostTrainBench | 22% | — |
| BALROG | 57% | — |
| ExploitBench | 26.1% | — |
| GBAEval | 0.8% | — |
| GDP.pdf | 17% | — |
| LMArena Search | 1211 | — |
| METR Time Horizons | 77% | — |
| Vending-Bench 2 | 3,774 | — |
Reasoning Gemini 3.1 Pro Preview leads
Gemini 3.1 Pro Preview: 71.7 (#9), Ministral 3B: 17.7 (#278)
| Benchmark | Gemini 3.1 Pro Preview | Ministral 3B |
|---|---|---|
| DTBench | 97.1% | 51.7% |
| LMCA | 53.8% | 5.5% |
| Epoch Capabilities Index | 154.92 | 118.08 |
| ARC-AGI-2 | 77.1% | — |
| SimpleBench | 79.6% | — |
| NYT Connections (extended) | 97.4% | — |
| ARC-AGI-1 | 98% | — |
| CritPt | 17.7% | — |
| Chess Puzzles | 55% | — |
| EnigmaEval | 36.8% | — |
| Thematic Generalization | 79.4% | — |
| EBR-Bench | 14.3% | — |
| LMArena Hard Prompts | 1484 | — |
| Mystery Game Puzzles | 34% | — |
| ForecastBench | 59 | — |
Math Gemini 3.1 Pro Preview leads
Gemini 3.1 Pro Preview: 61.8 (#28), Ministral 3B: 24.5 (#257)
| Benchmark | Gemini 3.1 Pro Preview | Ministral 3B |
|---|---|---|
| FrontierMath (Tiers 1-3) | 59.6% | — |
| FrontierMath Tier 4 | 26.8% | — |
| MathArena Final-Answer Competitions | 86.5% | — |
| OTIS Mock AIME 2024-2025 | 95.6% | — |
| ProofBench | 26% | — |
| LMArena Math | 1485 | — |
| MATH Level 5 | — | 14.4% |
| FrontierMath (Feb 2025 set) | 36.9% | — |
| FrontierMath Tier 4 (v1) | 16.7% | — |
Knowledge Gemini 3.1 Pro Preview leads
Gemini 3.1 Pro Preview: 71.8 (#3), Ministral 3B: 10.4 (#297)
| Benchmark | Gemini 3.1 Pro Preview | Ministral 3B |
|---|---|---|
| GPQA Diamond | 94.4% | 25.3% |
| Vectara Hallucination Rate | 10.4% | 7.3% |
| Humanity's Last Exam | 46.4% | — |
| SimpleQA Verified | 73.5% | — |
| LMArena Expert | 1484 | — |
Multimodal Not comparable
Gemini 3.1 Pro Preview: 38.1 (#60), Ministral 3B: —
| Benchmark | Gemini 3.1 Pro Preview | Ministral 3B |
|---|---|---|
| LMArena Vision | 1296 | — |
| Blueprint-Bench 2 | 26.5% | — |
| Furniture Assembly | 26.7% | — |
| LMArena Document | 1444 | — |
Multilingual Not comparable
Gemini 3.1 Pro Preview: 57.1 (#11), Ministral 3B: —
| Benchmark | Gemini 3.1 Pro Preview | Ministral 3B |
|---|---|---|
| LMArena Non-English | 1475 | — |
| LMArena Chinese | 1528 | — |
| LMArena French | 1488 | — |
| LMArena German | 1491 | — |
| LMArena Japanese | 1494 | — |
| LMArena Korean | 1458 | — |
| LMArena Russian | 1496 | — |
| LMArena Spanish | 1480 | — |
Instruction Following Not comparable
Gemini 3.1 Pro Preview: 77.1 (#31), Ministral 3B: —
| Benchmark | Gemini 3.1 Pro Preview | Ministral 3B |
|---|---|---|
| LMArena Instruction Following | 1465 | — |
Long Context Not comparable
Gemini 3.1 Pro Preview: 47.3 (#17), Ministral 3B: —
| Benchmark | Gemini 3.1 Pro Preview | Ministral 3B |
|---|---|---|
| CL-bench | 20.8% | — |
| CL-bench Life | 16.9% | — |
| LMArena Longer Query | 1482 | — |
Writing & Preference Not comparable
Gemini 3.1 Pro Preview: 66.3 (#36), Ministral 3B: —
| Benchmark | Gemini 3.1 Pro Preview | Ministral 3B |
|---|---|---|
| LMArena Text | 1480 | — |
| LMArena Creative Writing | 1482 | — |
| EQ-Bench Creative Writing | 1491 | — |
| EQ-Bench 4 | 1142 | — |
| LMArena Multi-Turn | 1486 | — |
Frequently asked questions
Is Gemini 3.1 Pro Preview better than Ministral 3B?
Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 25.6 on the Noometry Index. Ministral 3B costs 113× less per token, which makes it the better buy when Gemini 3.1 Pro Preview's lead doesn't matter for your workload.
Which is cheaper, Gemini 3.1 Pro Preview or Ministral 3B?
Ministral 3B is cheaper. It lists at $0.04 per million input tokens and $0.04 per million output tokens; Gemini 3.1 Pro Preview lists at $2 and $12.
Which has the bigger context window?
Gemini 3.1 Pro Preview does, with 1.05M tokens against 128K.
How many benchmarks do Gemini 3.1 Pro Preview and Ministral 3B share?
5 benchmarks have published results for both models. Gemini 3.1 Pro Preview has 71 scored results on Noometry and Ministral 3B has 6.