Model comparison
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.
Last verified . 3 shared benchmarks.
Mistral AISummary
- 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.
Side by side
| Mistral Nemo | Mistral Small 3.1 | |
|---|---|---|
| Provider | Mistral AI | Mistral AI |
| Noometry Index | 26.4 | 31.7 |
| Released | 2024-07-01 | 2025-03-17 |
| Weights | Open | Open |
| Context window | 128K | 128K |
| Max output | 128K | 102K |
| Input $ / M tokens | $0.15 | $0.35 |
| Output $ / M tokens | $0.15 | $0.56 |
| Results tracked | 10 | 28 |
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Category by category
Coding Not comparable
Mistral Nemo: —, Mistral Small 3.1: 38.3 (#179)
| Benchmark | Mistral Nemo | Mistral Small 3.1 |
|---|---|---|
| LMArena Coding | — | 1309 |
Agentic & Tool Use Not comparable
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 leads
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 leads
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 Small 3.1 leads
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 Not comparable
Mistral Nemo: —, Mistral Small 3.1: 33.2 (#99)
| Benchmark | Mistral Nemo | Mistral Small 3.1 |
|---|---|---|
| LMArena Vision | — | 1136 |
Multilingual Not comparable
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 Not comparable
Mistral Nemo: —, Mistral Small 3.1: 63.6 (#230)
| Benchmark | Mistral Nemo | Mistral Small 3.1 |
|---|---|---|
| IFEval | — | 75% |
| LMArena Instruction Following | — | 1264 |
Long Context Not comparable
Mistral Nemo: —, Mistral Small 3.1: 39.5 (#178)
| Benchmark | Mistral Nemo | Mistral Small 3.1 |
|---|---|---|
| LMArena Longer Query | — | 1299 |
Writing & Preference Mistral Small 3.1 leads
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 |
Frequently asked questions
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.