Model comparison
Amazon Nova Pro vs Mistral Small 3.1
Amazon Nova Pro and Mistral Small 3.1 score almost the same on the Noometry Index (31.0 vs 31.7), so choose on price, context window or the category you care about most.
Last verified . 24 shared benchmarks.
Mistral AISummary
- They share 24 benchmarks with published results for both. Amazon Nova Pro scores higher in 5 categories and Mistral Small 3.1 in 4 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Amazon Nova Pro leads 28.5 to 14.7.
- The biggest single-benchmark swing is IFEval: 81.5% for Amazon Nova Pro and 75% for Mistral Small 3.1.
- Mistral Small 3.1 is cheaper at $0.35 / $0.56 per million input/output tokens, against $0.80 / $3.20 for Amazon Nova Pro.
- Amazon Nova Pro accepts more context: 300K tokens versus 128K.
- Mistral Small 3.1 has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Pro | Mistral Small 3.1 | |
|---|---|---|
| Provider | Amazon | Mistral AI |
| Noometry Index | 31.0 | 31.7 |
| Released | 2024-12-03 | 2025-03-17 |
| Weights | Proprietary | Open |
| Context window | 300K | 128K |
| Max output | 10K | 102K |
| Input $ / M tokens | $0.80 | $0.35 |
| Output $ / M tokens | $3.20 | $0.56 |
| Results tracked | 38 | 28 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Mistral Small 3.1 leads
Amazon Nova Pro: 35.1 (#229), Mistral Small 3.1: 38.3 (#179)
| Benchmark | Amazon Nova Pro | Mistral Small 3.1 |
|---|---|---|
| LMArena Coding | 1270 | 1309 |
| LiveBench Coding | 38.1% | — |
Agentic & Tool Use Not comparable
Amazon Nova Pro: 16.7 (#147), Mistral Small 3.1: —
| Benchmark | Amazon Nova Pro | Mistral Small 3.1 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 25% | — |
| TheAgentCompany | 1.7% | — |
Reasoning Too close to call
Amazon Nova Pro: 20.0 (#243), Mistral Small 3.1: 19.7 (#254)
| Benchmark | Amazon Nova Pro | Mistral Small 3.1 |
|---|---|---|
| LMArena Hard Prompts | 1246 | 1278 |
| Epoch Capabilities Index | 123.8 | 127.48 |
| Chess Puzzles | — | 1% |
| LiveBench Reasoning | 32.6% | — |
| LiveBench Data Analysis | 48.3% | — |
| LiveBench | 43.5% | — |
Math Amazon Nova Pro leads
Amazon Nova Pro: 28.5 (#243), Mistral Small 3.1: 14.7 (#301)
| Benchmark | Amazon Nova Pro | Mistral Small 3.1 |
|---|---|---|
| Omni-MATH | 24.2% | 24.8% |
| LMArena Math | 1252 | 1262 |
| OTIS Mock AIME 2024-2025 | — | 3.9% |
| LiveBench Math | 38% | — |
Knowledge Amazon Nova Pro leads
Amazon Nova Pro: 27.4 (#250), Mistral Small 3.1: 22.6 (#271)
| Benchmark | Amazon Nova Pro | Mistral Small 3.1 |
|---|---|---|
| MMLU-Pro | 67.3% | 61% |
| GPQA (HELM) | 44.6% | 39.2% |
| LMArena Expert | 1211 | 1257 |
| GPQA Diamond | — | 41.9% |
| Humanity's Last Exam | 4.4% | — |
| Confabulations | 30.1% | — |
| Vectara Hallucination Rate | 5.1% | — |
| MMLU | 82% | — |
Multimodal Mistral Small 3.1 leads
Amazon Nova Pro: 25.0 (#126), Mistral Small 3.1: 33.2 (#99)
| Benchmark | Amazon Nova Pro | Mistral Small 3.1 |
|---|---|---|
| LMArena Vision | 980 | 1136 |
Multilingual Mistral Small 3.1 leads
Amazon Nova Pro: 39.7 (#223), Mistral Small 3.1: 41.2 (#209)
| Benchmark | Amazon Nova Pro | Mistral Small 3.1 |
|---|---|---|
| LMArena Non-English | 1234 | 1255 |
| LMArena Chinese | 1244 | 1253 |
| LMArena French | 1271 | 1273 |
| LMArena German | 1243 | 1266 |
| LMArena Japanese | 1200 | 1208 |
| LMArena Korean | 1203 | 1206 |
| LMArena Russian | 1240 | 1263 |
| LMArena Spanish | 1182 | 1283 |
Instruction Following Amazon Nova Pro leads
Amazon Nova Pro: 64.9 (#226), Mistral Small 3.1: 63.6 (#230)
| Benchmark | Amazon Nova Pro | Mistral Small 3.1 |
|---|---|---|
| IFEval | 81.5% | 75% |
| LMArena Instruction Following | 1235 | 1264 |
| LiveBench Instruction Following | 67.1% | — |
Long Context Mistral Small 3.1 leads
Amazon Nova Pro: 38.1 (#205), Mistral Small 3.1: 39.5 (#178)
| Benchmark | Amazon Nova Pro | Mistral Small 3.1 |
|---|---|---|
| LMArena Longer Query | 1255 | 1299 |
Writing & Preference Amazon Nova Pro leads
Amazon Nova Pro: 43.9 (#226), Mistral Small 3.1: 37.0 (#259)
| Benchmark | Amazon Nova Pro | Mistral Small 3.1 |
|---|---|---|
| LMArena Text | 1259 | 1277 |
| LMArena Creative Writing | 1212 | 1253 |
| WildBench | 77.7% | 78.8% |
| LMArena Multi-Turn | 1246 | 1270 |
| Short-Story Creative Writing | 60.5% | — |
| EQ-Bench Creative Writing | — | 761 |
| LiveBench Language | 37% | — |
Frequently asked questions
Is Amazon Nova Pro better than Mistral Small 3.1?
Amazon Nova Pro and Mistral Small 3.1 score almost the same on the Noometry Index (31.0 vs 31.7), so choose on price, context window or the category you care about most.
Which is cheaper, Amazon Nova Pro or Mistral Small 3.1?
Mistral Small 3.1 is cheaper. It lists at $0.35 per million input tokens and $0.56 per million output tokens; Amazon Nova Pro lists at $0.80 and $3.20.
Is Amazon Nova Pro or Mistral Small 3.1 better for coding?
Mistral Small 3.1 scores higher on coding benchmarks: 38.3 versus 35.1 in the Noometry coding category.
Which has the bigger context window?
Amazon Nova Pro does, with 300K tokens against 128K.
How many benchmarks do Amazon Nova Pro and Mistral Small 3.1 share?
24 benchmarks have published results for both models. Amazon Nova Pro has 38 scored results on Noometry and Mistral Small 3.1 has 28.