# Gemini 3.1 Pro Preview vs Mistral Large

> Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 31.6 on the Noometry Index. Mistral Large costs 1.5× less per token, which makes it the better buy when Gemini 3.1 Pro Preview's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemini-3-1-pro-preview-vs-mistral-large
- Last updated: 2026-10-10
- Shared benchmarks: 30

## Summary

- They share 30 benchmarks with published results for both. Gemini 3.1 Pro Preview scores higher in 9 categories and Mistral Large in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.1 Pro Preview leads 71.7 to 15.4.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 95.6% for Gemini 3.1 Pro Preview and 8.5% for Mistral Large.
- Mistral Large is cheaper at $2 / $6 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 131K.
- Mistral Large has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 3.1 Pro Preview | Mistral Large |
|---|---|---|
| Provider | Google | Mistral AI |
| Noometry Index | 56.7 | 31.6 |
| Rank | 20 | 258 |
| Context | 1.05M | 131K |
| Input $/M | $2 | $2 |
| Output $/M | $12 | $6 |
| Weights | Proprietary | Open |

## Coding

- Gemini 3.1 Pro Preview: 42.7 (#88)
- Mistral Large: 33.8 (#240)

| Benchmark | Gemini 3.1 Pro Preview | Mistral Large |
|---|---|---|
| SciCode | 58.9% | 36.2% |
| LMArena Coding | 1483 | 1277 |
| ALE-Bench | 1,161 | 264.7 |
| SWE-bench Verified | 75.6% | — |
| DeepSWE | 11.7% | — |
| LMArena WebDev | 1446 | — |
| GSO | 22.6% | — |
| WeirdML | 72.1% | — |
| BigCodeBench Instruct | — | 30% |
| LiveBench Coding | — | 47.1% |
| MirrorCode | 8.9% | — |
| BigCodeBench Complete | — | 38.3% |
| AlgoTune | 2.02 | — |
| HumanEval+ | — | 62.2% |
| MBPP+ | — | 59.5% |

## Agentic & Tool Use

- Gemini 3.1 Pro Preview: 37.7 (#33)
- Mistral Large: 28.4 (#83)

| Benchmark | Gemini 3.1 Pro Preview | Mistral Large |
|---|---|---|
| Terminal-Bench | 80.2% | — |
| APEX-Agents | 35.3% | — |
| Berkeley Function Calling Leaderboard | — | 38.4% |
| 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: 71.7 (#9)
- Mistral Large: 15.4 (#305)

| Benchmark | Gemini 3.1 Pro Preview | Mistral Large |
|---|---|---|
| SimpleBench | 79.6% | 22.5% |
| CritPt | 17.7% | 0% |
| LMArena Hard Prompts | 1484 | 1257 |
| DTBench | 97.1% | 65.1% |
| LMCA | 53.8% | 16.7% |
| Epoch Capabilities Index | 154.92 | 128.52 |
| ForecastBench | 59 | 57.1 |
| ARC-AGI-2 | 77.1% | — |
| NYT Connections (extended) | 97.4% | — |
| ARC-AGI-1 | 98% | — |
| Chess Puzzles | 55% | — |
| EnigmaEval | 36.8% | — |
| Thematic Generalization | 79.4% | — |
| EBR-Bench | 14.3% | — |
| LiveBench Reasoning | — | 43.5% |
| Mystery Game Puzzles | 34% | — |
| LiveBench Data Analysis | — | 50.1% |
| LiveBench | — | 48.4% |

## Math

- Gemini 3.1 Pro Preview: 61.8 (#28)
- Mistral Large: 17.1 (#285)

| Benchmark | Gemini 3.1 Pro Preview | Mistral Large |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 95.6% | 8.5% |
| LMArena Math | 1485 | 1262 |
| FrontierMath (Feb 2025 set) | 36.9% | 0.3% |
| FrontierMath (Tiers 1-3) | 59.6% | — |
| FrontierMath Tier 4 | 26.8% | — |
| MathArena Final-Answer Competitions | 86.5% | — |
| ProofBench | 26% | — |
| Omni-MATH | — | 28.1% |
| LiveBench Math | — | 42.5% |
| MATH Level 5 | — | 50.3% |
| FrontierMath Tier 4 (v1) | 16.7% | — |

## Knowledge

- Gemini 3.1 Pro Preview: 71.8 (#3)
- Mistral Large: 30.0 (#224)

| Benchmark | Gemini 3.1 Pro Preview | Mistral Large |
|---|---|---|
| GPQA Diamond | 94.4% | 51.3% |
| Vectara Hallucination Rate | 10.4% | 4.5% |
| LMArena Expert | 1484 | 1232 |
| Humanity's Last Exam | 46.4% | — |
| SimpleQA Verified | 73.5% | — |
| MMLU-Pro | — | 59.9% |
| Confabulations | — | 21.4% |
| GPQA (HELM) | — | 43.5% |
| MMLU | — | 80% |

## Multimodal

- Gemini 3.1 Pro Preview: 38.1 (#60)
- Mistral Large: —

| Benchmark | Gemini 3.1 Pro Preview | Mistral Large |
|---|---|---|
| LMArena Vision | 1296 | — |
| Blueprint-Bench 2 | 26.5% | — |
| Furniture Assembly | 26.7% | — |
| LMArena Document | 1444 | — |

## Multilingual

- Gemini 3.1 Pro Preview: 57.1 (#11)
- Mistral Large: 40.1 (#214)

| Benchmark | Gemini 3.1 Pro Preview | Mistral Large |
|---|---|---|
| LMArena Non-English | 1475 | 1237 |
| LMArena Chinese | 1528 | 1240 |
| LMArena French | 1488 | 1324 |
| LMArena German | 1491 | 1254 |
| LMArena Japanese | 1494 | 1187 |
| LMArena Korean | 1458 | 1202 |
| LMArena Russian | 1496 | 1257 |
| LMArena Spanish | 1480 | 1268 |

## Instruction Following

- Gemini 3.1 Pro Preview: 77.1 (#31)
- Mistral Large: 68.1 (#186)

| Benchmark | Gemini 3.1 Pro Preview | Mistral Large |
|---|---|---|
| LMArena Instruction Following | 1465 | 1249 |
| LiveBench Instruction Following | — | 67.9% |
| IFEval | — | 87.7% |

## Long Context

- Gemini 3.1 Pro Preview: 47.3 (#17)
- Mistral Large: 38.3 (#194)

| Benchmark | Gemini 3.1 Pro Preview | Mistral Large |
|---|---|---|
| LMArena Longer Query | 1482 | 1262 |
| CL-bench | 20.8% | — |
| CL-bench Life | 16.9% | — |

## Writing & Preference

- Gemini 3.1 Pro Preview: 66.3 (#36)
- Mistral Large: 40.9 (#237)

| Benchmark | Gemini 3.1 Pro Preview | Mistral Large |
|---|---|---|
| LMArena Text | 1480 | 1266 |
| LMArena Creative Writing | 1482 | 1243 |
| EQ-Bench Creative Writing | 1491 | 985 |
| LMArena Multi-Turn | 1486 | 1260 |
| Short-Story Creative Writing | — | 69% |
| WildBench | — | 80.1% |
| EQ-Bench 4 | 1142 | — |
| LiveBench Language | — | 39.4% |

## FAQ

### Is Gemini 3.1 Pro Preview better than Mistral Large?

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 31.6 on the Noometry Index. Mistral Large costs 1.5× 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 Mistral Large?

Mistral Large is cheaper. It lists at $2 per million input tokens and $6 per million output tokens; Gemini 3.1 Pro Preview lists at $2 and $12.

### Is Gemini 3.1 Pro Preview or Mistral Large better for coding?

Gemini 3.1 Pro Preview scores higher on coding benchmarks: 42.7 versus 33.8 in the Noometry coding category.

### Which has the bigger context window?

Gemini 3.1 Pro Preview does, with 1.05M tokens against 131K.

### How many benchmarks do Gemini 3.1 Pro Preview and Mistral Large share?

30 benchmarks have published results for both models. Gemini 3.1 Pro Preview has 71 scored results on Noometry and Mistral Large has 51.