Model comparison
MiMo-V2.5 vs Yi-34B
MiMo-V2.5 is the stronger model overall, scoring 43.4 to 27.8 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. MiMo-V2.5 scores higher in 8 categories and Yi-34B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where MiMo-V2.5 leads 40.8 to 7.5.
Side by side
| MiMo-V2.5 | Yi-34B | |
|---|---|---|
| Provider | Xiaomi | 01.AI |
| Noometry Index | 43.4 | 27.8 |
| Released | 2026-04-22 | 2023-11-02 |
| Weights | Open | Open |
| Context window | 1.05M | — |
| Max output | 131K | — |
| Input $ / M tokens | $0.14 | — |
| Output $ / M tokens | $0.28 | — |
| Results tracked | 23 | 23 |
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Category by category
Coding MiMo-V2.5 leads
MiMo-V2.5: 43.9 (#81), Yi-34B: 32.3 (#274)
| Benchmark | MiMo-V2.5 | Yi-34B |
|---|---|---|
| LMArena Coding | 1469 | 1112 |
| LMArena WebDev | 1438 | — |
| SciCode | 43.1% | — |
| ALE-Bench | 513.95 | — |
Reasoning MiMo-V2.5 leads
MiMo-V2.5: 28.6 (#101), Yi-34B: 21.2 (#226)
| Benchmark | MiMo-V2.5 | Yi-34B |
|---|---|---|
| LMArena Hard Prompts | 1450 | 1104 |
| CritPt | 3.7% | — |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | — | 117.39 |
Math MiMo-V2.5 leads
MiMo-V2.5: 36.8 (#163), Yi-34B: 21.6 (#282)
| Benchmark | MiMo-V2.5 | Yi-34B |
|---|---|---|
| LMArena Math | 1436 | 1114 |
| ProofBench | 16% | — |
| MATH Level 5 | — | 5.1% |
| GSM8K | — | 76% |
Knowledge MiMo-V2.5 leads
MiMo-V2.5: 40.8 (#115), Yi-34B: 7.5 (#309)
| Benchmark | MiMo-V2.5 | Yi-34B |
|---|---|---|
| LMArena Expert | 1460 | 1061 |
| GPQA Diamond | — | 14.7% |
| MMLU | — | 76.3% |
Multimodal Not comparable
MiMo-V2.5: 39.8 (#54), Yi-34B: —
| Benchmark | MiMo-V2.5 | Yi-34B |
|---|---|---|
| LMArena Vision | 1247 | — |
Multilingual MiMo-V2.5 leads
MiMo-V2.5: 51.9 (#99), Yi-34B: 29.7 (#264)
| Benchmark | MiMo-V2.5 | Yi-34B |
|---|---|---|
| LMArena Non-English | 1404 | 1079 |
| LMArena Chinese | 1468 | 1176 |
| LMArena French | 1447 | 1081 |
| LMArena German | 1421 | 1042 |
| LMArena Japanese | 1306 | 993 |
| LMArena Korean | 1363 | 959 |
| LMArena Russian | 1395 | 1050 |
| LMArena Spanish | 1416 | 1070 |
Instruction Following MiMo-V2.5 leads
MiMo-V2.5: 75.5 (#60), Yi-34B: 56.2 (#274)
| Benchmark | MiMo-V2.5 | Yi-34B |
|---|---|---|
| LMArena Instruction Following | 1434 | 1091 |
Long Context MiMo-V2.5 leads
MiMo-V2.5: 44.2 (#73), Yi-34B: 33.2 (#264)
| Benchmark | MiMo-V2.5 | Yi-34B |
|---|---|---|
| LMArena Longer Query | 1445 | 1094 |
Writing & Preference MiMo-V2.5 leads
MiMo-V2.5: 61.6 (#86), Yi-34B: 34.1 (#273)
| Benchmark | MiMo-V2.5 | Yi-34B |
|---|---|---|
| LMArena Text | 1428 | 1129 |
| LMArena Creative Writing | 1393 | 1108 |
| LMArena Multi-Turn | 1445 | 1113 |
Frequently asked questions
Is MiMo-V2.5 better than Yi-34B?
MiMo-V2.5 is the stronger model overall, scoring 43.4 to 27.8 on the Noometry Index.
Is MiMo-V2.5 or Yi-34B better for coding?
MiMo-V2.5 scores higher on coding benchmarks: 43.9 versus 32.3 in the Noometry coding category.
How many benchmarks do MiMo-V2.5 and Yi-34B share?
17 benchmarks have published results for both models. MiMo-V2.5 has 23 scored results on Noometry and Yi-34B has 23.