# Mistral Nemo vs Mistral Small 3.1

> Mistral Small 3.1 is the stronger model overall, scoring 31.7 to 26.4 on the Noometry Index. Mistral Nemo costs 2.7× less per token, which makes it the better buy when Mistral Small 3.1's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/mistral-nemo-vs-mistral-small-3-1
- Last updated: 2026-10-10
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. Mistral Nemo scores higher in 2 categories and Mistral Small 3.1 in 2 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in math, where Mistral Nemo leads 25.5 to 14.7.
- The biggest single-benchmark swing is GPQA Diamond: 29.9% for Mistral Nemo and 41.9% for Mistral Small 3.1.
- Mistral Nemo is cheaper at $0.15 / $0.15 per million input/output tokens, against $0.35 / $0.56 for Mistral Small 3.1.

## Snapshot

| | Mistral Nemo | Mistral Small 3.1 |
|---|---|---|
| Provider | Mistral AI | Mistral AI |
| Noometry Index | 26.4 | 31.7 |
| Rank | 337 | 269 |
| Context | 128K | 128K |
| Input $/M | $0.15 | $0.35 |
| Output $/M | $0.15 | $0.56 |
| Weights | Open | Open |

## Coding

- Mistral Nemo: —
- Mistral Small 3.1: 38.3 (#179)

| Benchmark | Mistral Nemo | Mistral Small 3.1 |
|---|---|---|
| LMArena Coding | — | 1309 |

## Agentic & Tool Use

- Mistral Nemo: 23.5 (#125)
- Mistral Small 3.1: —

| Benchmark | Mistral Nemo | Mistral Small 3.1 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 27.6% | — |
| BALROG | 17.6% | — |

## Reasoning

- Mistral Nemo: 20.7 (#232)
- Mistral Small 3.1: 19.7 (#254)

| Benchmark | Mistral Nemo | Mistral Small 3.1 |
|---|---|---|
| Epoch Capabilities Index | 118.68 | 127.48 |
| Chess Puzzles | — | 1% |
| LMArena Hard Prompts | — | 1278 |
| DTBench | 48.6% | — |
| PIQA | 83.5% | — |

## Math

- Mistral Nemo: 25.5 (#268)
- Mistral Small 3.1: 14.7 (#301)

| Benchmark | Mistral Nemo | Mistral Small 3.1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 3.9% |
| Omni-MATH | — | 24.8% |
| LMArena Math | — | 1262 |
| MATH Level 5 | 10.8% | — |
| GSM8K | 84.2% | — |

## Knowledge

- Mistral Nemo: 12.3 (#298)
- Mistral Small 3.1: 22.6 (#271)

| Benchmark | Mistral Nemo | Mistral Small 3.1 |
|---|---|---|
| GPQA Diamond | 29.9% | 41.9% |
| MMLU-Pro | — | 61% |
| GPQA (HELM) | — | 39.2% |
| LMArena Expert | — | 1257 |
| BoolQ | 82.5% | — |

## Multimodal

- Mistral Nemo: —
- Mistral Small 3.1: 33.2 (#99)

| Benchmark | Mistral Nemo | Mistral Small 3.1 |
|---|---|---|
| LMArena Vision | — | 1136 |

## Multilingual

- Mistral Nemo: —
- Mistral Small 3.1: 41.2 (#209)

| Benchmark | Mistral Nemo | Mistral Small 3.1 |
|---|---|---|
| LMArena Non-English | — | 1255 |
| LMArena Chinese | — | 1253 |
| LMArena French | — | 1273 |
| LMArena German | — | 1266 |
| LMArena Japanese | — | 1208 |
| LMArena Korean | — | 1206 |
| LMArena Russian | — | 1263 |
| LMArena Spanish | — | 1283 |

## Instruction Following

- Mistral Nemo: —
- Mistral Small 3.1: 63.6 (#230)

| Benchmark | Mistral Nemo | Mistral Small 3.1 |
|---|---|---|
| IFEval | — | 75% |
| LMArena Instruction Following | — | 1264 |

## Long Context

- Mistral Nemo: —
- Mistral Small 3.1: 39.5 (#178)

| Benchmark | Mistral Nemo | Mistral Small 3.1 |
|---|---|---|
| LMArena Longer Query | — | 1299 |

## Writing & Preference

- Mistral Nemo: 28.5 (#296)
- Mistral Small 3.1: 37.0 (#259)

| Benchmark | Mistral Nemo | Mistral Small 3.1 |
|---|---|---|
| EQ-Bench Creative Writing | 881 | 761 |
| LMArena Text | — | 1277 |
| LMArena Creative Writing | — | 1253 |
| WildBench | — | 78.8% |
| LMArena Multi-Turn | — | 1270 |

## FAQ

### Is Mistral Nemo better than Mistral Small 3.1?

Mistral Small 3.1 is the stronger model overall, scoring 31.7 to 26.4 on the Noometry Index. Mistral Nemo costs 2.7× less per token, which makes it the better buy when Mistral Small 3.1's lead doesn't matter for your workload.

### Which is cheaper, Mistral Nemo or Mistral Small 3.1?

Mistral Nemo is cheaper. It lists at $0.15 per million input tokens and $0.15 per million output tokens; Mistral Small 3.1 lists at $0.35 and $0.56.

### Which has the bigger context window?

Both accept 128K tokens.

### How many benchmarks do Mistral Nemo and Mistral Small 3.1 share?

3 benchmarks have published results for both models. Mistral Nemo has 10 scored results on Noometry and Mistral Small 3.1 has 28.