Model comparison
Mistral Medium vs Yi-Lightning
Mistral Medium and Yi-Lightning score almost the same on the Noometry Index (36.3 vs 37.1), so choose on price, context window or the category you care about most.
Last verified . 17 shared benchmarks.
Mistral AISummary
- They share 17 benchmarks with published results for both. Mistral Medium scores higher in 5 categories and Yi-Lightning in 3 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Yi-Lightning leads 35.4 to 25.0.
- Mistral Medium has downloadable open weights; the other is API-only.
Side by side
| Mistral Medium | Yi-Lightning | |
|---|---|---|
| Provider | Mistral AI | 01.AI |
| Noometry Index | 36.3 | 37.1 |
| Released | 2023-12-11 | 2024-12-02 |
| Weights | Open | Proprietary |
| Context window | 262K | — |
| Max output | 262K | — |
| Input $ / M tokens | $1.50 | — |
| Output $ / M tokens | $7.50 | — |
| Results tracked | 36 | 18 |
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Category by category
Coding Mistral Medium leads
Mistral Medium: 34.2 (#243), Yi-Lightning: 27.4 (#320)
| Benchmark | Mistral Medium | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1434 | 1312 |
| FrontierCode | 8% | — |
| Aider Polyglot | — | 12.9% |
| SciCode | 40.2% | — |
| WeirdML | 43.7% | — |
| ALE-Bench | 763.98 | — |
Agentic & Tool Use Not comparable
Mistral Medium: 28.3 (#90), Yi-Lightning: —
| Benchmark | Mistral Medium | Yi-Lightning |
|---|---|---|
| Berkeley Function Calling Leaderboard | 37.7% | — |
Reasoning Yi-Lightning leads
Mistral Medium: 24.0 (#167), Yi-Lightning: 25.9 (#139)
| Benchmark | Mistral Medium | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1426 | 1302 |
| Kagi LLM Benchmark | 50% | — |
| CritPt | 0% | — |
| DTBench | 75.5% | — |
| LMCA | 26.1% | — |
| Surface Evolver Bench | 26.9% | — |
Math Yi-Lightning leads
Mistral Medium: 28.1 (#245), Yi-Lightning: 36.2 (#172)
| Benchmark | Mistral Medium | Yi-Lightning |
|---|---|---|
| LMArena Math | 1408 | 1300 |
| OTIS Mock AIME 2024-2025 | 32.2% | — |
| ProofBench | 9% | — |
| MATH Level 5 | 81.6% | — |
| FrontierMath (Feb 2025 set) | 0.3% | — |
Knowledge Yi-Lightning leads
Mistral Medium: 25.0 (#265), Yi-Lightning: 35.4 (#185)
| Benchmark | Mistral Medium | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1408 | 1286 |
| GPQA Diamond | 59.5% | — |
| Humanity's Last Exam | 4.5% | — |
| Vectara Hallucination Rate | 22.7% | — |
Multimodal Not comparable
Mistral Medium: 35.3 (#88), Yi-Lightning: —
| Benchmark | Mistral Medium | Yi-Lightning |
|---|---|---|
| LMArena Vision | 1172 | — |
Multilingual Mistral Medium leads
Mistral Medium: 52.1 (#91), Yi-Lightning: 42.2 (#196)
| Benchmark | Mistral Medium | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1408 | 1269 |
| LMArena Chinese | 1447 | 1320 |
| LMArena French | 1459 | 1305 |
| LMArena German | 1432 | 1267 |
| LMArena Japanese | 1378 | 1228 |
| LMArena Korean | 1380 | 1192 |
| LMArena Russian | 1411 | 1255 |
| LMArena Spanish | 1433 | 1315 |
Instruction Following Mistral Medium leads
Mistral Medium: 73.7 (#116), Yi-Lightning: 67.4 (#196)
| Benchmark | Mistral Medium | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1398 | 1278 |
Long Context Mistral Medium leads
Mistral Medium: 42.9 (#114), Yi-Lightning: 39.4 (#181)
| Benchmark | Mistral Medium | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1406 | 1297 |
Writing & Preference Mistral Medium leads
Mistral Medium: 60.0 (#103), Yi-Lightning: 50.2 (#184)
| Benchmark | Mistral Medium | Yi-Lightning |
|---|---|---|
| LMArena Text | 1424 | 1302 |
| LMArena Creative Writing | 1391 | 1280 |
| LMArena Multi-Turn | 1418 | 1311 |
| Short-Story Creative Writing | 77.3% | — |
Frequently asked questions
Is Mistral Medium better than Yi-Lightning?
Mistral Medium and Yi-Lightning score almost the same on the Noometry Index (36.3 vs 37.1), so choose on price, context window or the category you care about most.
Is Mistral Medium or Yi-Lightning better for coding?
Mistral Medium scores higher on coding benchmarks: 34.2 versus 27.4 in the Noometry coding category.
How many benchmarks do Mistral Medium and Yi-Lightning share?
17 benchmarks have published results for both models. Mistral Medium has 36 scored results on Noometry and Yi-Lightning has 18.