# Gemma 4 31B IT vs Mistral Small 3

> Gemma 4 31B IT is the stronger model overall, scoring 43.2 to 30.9 on the Noometry Index. Mistral Small 3 costs 2.7× less per token, which makes it the better buy when Gemma 4 31B IT's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemma-4-31b-it-vs-mistral-small-3
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Gemma 4 31B IT scores higher in 8 categories and Mistral Small 3 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Gemma 4 31B IT leads 60.7 to 32.4.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 73.3% for Gemma 4 31B IT and 6.7% for Mistral Small 3.
- Mistral Small 3 is cheaper at $0.05 / $0.08 per million input/output tokens, against $0.09 / $0.34 for Gemma 4 31B IT.
- Gemma 4 31B IT accepts more context: 262K tokens versus 33K.

## Snapshot

| | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| Provider | Google | Mistral AI |
| Noometry Index | 43.2 | 30.9 |
| Rank | 85 | 268 |
| Context | 262K | 33K |
| Input $/M | $0.09 | $0.05 |
| Output $/M | $0.34 | $0.08 |
| Weights | Open | Open |

## Coding

- Gemma 4 31B IT: 41.9 (#98)
- Mistral Small 3: 36.0 (#203)

| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| LMArena Coding | 1459 | 1246 |
| LMArena WebDev | 1364 | — |
| SciCode | 43.4% | — |
| WeirdML | 52.3% | — |
| BigCodeBench Instruct | — | 45.3% |
| BigCodeBench Complete | — | 50.4% |
| ALE-Bench | 925.5 | — |

## Reasoning

- Gemma 4 31B IT: 26.4 (#119)
- Mistral Small 3: 18.2 (#269)

| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| Chess Puzzles | 5% | 0% |
| LMArena Hard Prompts | 1448 | 1233 |
| Epoch Capabilities Index | 142.74 | 127.06 |
| Kagi LLM Benchmark | 63.5% | — |
| NYT Connections (extended) | 70.6% | — |
| CritPt | 1.4% | — |
| Thematic Generalization | 53% | — |
| DTBench | 82.7% | — |
| LMCA | 39.3% | — |
| Surface Evolver Bench | 30.6% | — |

## Math

- Gemma 4 31B IT: 41.3 (#72)
- Mistral Small 3: 15.3 (#290)

| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 73.3% | 6.7% |
| LMArena Math | 1464 | 1240 |

## Knowledge

- Gemma 4 31B IT: 37.9 (#141)
- Mistral Small 3: 25.0 (#258)

| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| GPQA Diamond | 75.8% | 47.3% |
| LMArena Expert | 1465 | 1202 |
| SimpleQA Verified | 10.4% | — |
| Confabulations | — | 25.2% |
| Vectara Hallucination Rate | 7.4% | — |

## Multimodal

- Gemma 4 31B IT: 41.0 (#32)
- Mistral Small 3: —

| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| LMArena Vision | 1278 | — |
| LMArena Document | 1425 | — |

## Multilingual

- Gemma 4 31B IT: 54.0 (#52)
- Mistral Small 3: 37.5 (#231)

| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| LMArena Non-English | 1431 | 1198 |
| LMArena Chinese | 1478 | 1204 |
| LMArena French | 1436 | 1202 |
| LMArena Russian | 1462 | 1216 |
| LMArena German | — | 1211 |
| LMArena Japanese | — | 1111 |
| LMArena Korean | — | 1188 |
| LMArena Spanish | 1443 | — |

## Instruction Following

- Gemma 4 31B IT: 75.6 (#58)
- Mistral Small 3: 63.9 (#224)

| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| LMArena Instruction Following | 1433 | 1214 |

## Long Context

- Gemma 4 31B IT: 44.2 (#67)
- Mistral Small 3: 37.8 (#206)

| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| LMArena Longer Query | 1446 | 1246 |

## Writing & Preference

- Gemma 4 31B IT: 60.7 (#92)
- Mistral Small 3: 32.4 (#275)

| Benchmark | Gemma 4 31B IT | Mistral Small 3 |
|---|---|---|
| LMArena Text | 1443 | 1234 |
| LMArena Creative Writing | 1416 | 1195 |
| EQ-Bench Creative Writing | 1368 | 707 |
| LMArena Multi-Turn | 1452 | 1217 |
| EQ-Bench 4 | 1120 | — |

## FAQ

### Is Gemma 4 31B IT better than Mistral Small 3?

Gemma 4 31B IT is the stronger model overall, scoring 43.2 to 30.9 on the Noometry Index. Mistral Small 3 costs 2.7× less per token, which makes it the better buy when Gemma 4 31B IT's lead doesn't matter for your workload.

### Which is cheaper, Gemma 4 31B IT or Mistral Small 3?

Mistral Small 3 is cheaper. It lists at $0.05 per million input tokens and $0.08 per million output tokens; Gemma 4 31B IT lists at $0.09 and $0.34.

### Is Gemma 4 31B IT or Mistral Small 3 better for coding?

Gemma 4 31B IT scores higher on coding benchmarks: 41.9 versus 36.0 in the Noometry coding category.

### Which has the bigger context window?

Gemma 4 31B IT does, with 262K tokens against 33K.

### How many benchmarks do Gemma 4 31B IT and Mistral Small 3 share?

18 benchmarks have published results for both models. Gemma 4 31B IT has 35 scored results on Noometry and Mistral Small 3 has 24.