Model comparison
Mistral Small 3.1 vs Yi-Lightning
Yi-Lightning is the stronger model overall, scoring 36.5 to 31.4 on the Noometry Index.
Last verified . 17 shared benchmarks.
Mistral AISummary
- They share 17 benchmarks with published results for both. Mistral Small 3.1 scores higher in 2 categories and Yi-Lightning in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in math, where Yi-Lightning leads 33.5 to 13.7.
- Mistral Small 3.1 has downloadable open weights; the other is API-only.
Side by side
| Mistral Small 3.1 | Yi-Lightning | |
|---|---|---|
| Provider | Mistral AI | 01.AI |
| Noometry Index | 31.4 | 36.5 |
| Released | 2025-03-17 | 2024-12-02 |
| Weights | Open | Proprietary |
| Context window | 128K | — |
| Max output | 102K | — |
| Input $ / M tokens | $0.35 | — |
| Output $ / M tokens | $0.56 | — |
| Results tracked | 28 | 18 |
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Category by category
Coding Mistral Small 3.1 leads
Mistral Small 3.1: 37.7 (#175), Yi-Lightning: 27.0 (#315)
| Benchmark | Mistral Small 3.1 | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1309 | 1313 |
| Aider Polyglot | — | 12.9% |
Reasoning Yi-Lightning leads
Mistral Small 3.1: 18.9 (#249), Yi-Lightning: 24.9 (#137)
| Benchmark | Mistral Small 3.1 | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1278 | 1302 |
| Chess Puzzles | 1% | — |
| Epoch Capabilities Index | 127.48 | — |
Math Yi-Lightning leads
Mistral Small 3.1: 13.7 (#295), Yi-Lightning: 33.5 (#173)
| Benchmark | Mistral Small 3.1 | Yi-Lightning |
|---|---|---|
| LMArena Math | 1261 | 1300 |
| OTIS Mock AIME 2024-2025 | 3.9% | — |
| Omni-MATH | 24.8% | — |
Knowledge Yi-Lightning leads
Mistral Small 3.1: 22.6 (#266), Yi-Lightning: 34.8 (#182)
| Benchmark | Mistral Small 3.1 | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1258 | 1286 |
| GPQA Diamond | 41.9% | — |
| MMLU-Pro | 61% | — |
| GPQA (HELM) | 39.2% | — |
Multimodal Not comparable
Mistral Small 3.1: 32.6 (#93), Yi-Lightning: —
| Benchmark | Mistral Small 3.1 | Yi-Lightning |
|---|---|---|
| LMArena Vision | 1136 | — |
Multilingual Too close to call
Mistral Small 3.1: 41.4 (#204), Yi-Lightning: 42.4 (#191)
| Benchmark | Mistral Small 3.1 | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1255 | 1269 |
| LMArena Chinese | 1254 | 1320 |
| LMArena French | 1270 | 1304 |
| LMArena German | 1266 | 1267 |
| LMArena Japanese | 1210 | 1228 |
| LMArena Korean | 1206 | 1192 |
| LMArena Russian | 1263 | 1255 |
| LMArena Spanish | 1283 | 1315 |
Instruction Following Yi-Lightning leads
Mistral Small 3.1: 63.8 (#225), Yi-Lightning: 67.6 (#191)
| Benchmark | Mistral Small 3.1 | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1264 | 1278 |
| IFEval | 75% | — |
Long Context Too close to call
Mistral Small 3.1: 39.5 (#172), Yi-Lightning: 39.4 (#176)
| Benchmark | Mistral Small 3.1 | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1300 | 1297 |
Writing & Preference Yi-Lightning leads
Mistral Small 3.1: 37.2 (#254), Yi-Lightning: 50.4 (#178)
| Benchmark | Mistral Small 3.1 | Yi-Lightning |
|---|---|---|
| LMArena Text | 1278 | 1302 |
| LMArena Creative Writing | 1253 | 1280 |
| LMArena Multi-Turn | 1270 | 1311 |
| EQ-Bench Creative Writing | 761 | — |
| WildBench | 78.8% | — |
Frequently asked questions
Is Mistral Small 3.1 better than Yi-Lightning?
Yi-Lightning is the stronger model overall, scoring 36.5 to 31.4 on the Noometry Index.
Is Mistral Small 3.1 or Yi-Lightning better for coding?
Mistral Small 3.1 scores higher on coding benchmarks: 37.7 versus 27.0 in the Noometry coding category.
How many benchmarks do Mistral Small 3.1 and Yi-Lightning share?
17 benchmarks have published results for both models. Mistral Small 3.1 has 28 scored results on Noometry and Yi-Lightning has 18.