Model comparison
MiMo-V2.5-Pro vs Yi-34B
MiMo-V2.5-Pro is the stronger model overall, scoring 45.2 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-Pro 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-Pro leads 42.2 to 7.5.
Side by side
| MiMo-V2.5-Pro | Yi-34B | |
|---|---|---|
| Provider | Xiaomi | 01.AI |
| Noometry Index | 45.2 | 27.8 |
| Released | 2026-04-22 | 2023-11-02 |
| Weights | Open | Open |
| Context window | 1.05M | — |
| Max output | 131K | — |
| Input $ / M tokens | $0.43 | — |
| Output $ / M tokens | $0.87 | — |
| Results tracked | 27 | 23 |
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Category by category
Coding MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 47.4 (#60), Yi-34B: 32.3 (#274)
| Benchmark | MiMo-V2.5-Pro | Yi-34B |
|---|---|---|
| LMArena Coding | 1503 | 1112 |
| LMArena WebDev | 1479 | — |
| SciCode | 50.2% | — |
| ALE-Bench | 899.8 | — |
Reasoning MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 26.8 (#130), Yi-34B: 21.2 (#226)
| Benchmark | MiMo-V2.5-Pro | Yi-34B |
|---|---|---|
| LMArena Hard Prompts | 1488 | 1104 |
| NYT Connections (extended) | 34.4% | — |
| CritPt | 4% | — |
| DTBench | 84.5% | — |
| LMCA | 29.5% | — |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | — | 117.39 |
Math MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 40.0 (#96), Yi-34B: 21.6 (#282)
| Benchmark | MiMo-V2.5-Pro | Yi-34B |
|---|---|---|
| LMArena Math | 1481 | 1114 |
| ProofBench | 22% | — |
| MATH Level 5 | — | 5.1% |
| GSM8K | — | 76% |
Knowledge MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 42.2 (#98), Yi-34B: 7.5 (#309)
| Benchmark | MiMo-V2.5-Pro | Yi-34B |
|---|---|---|
| LMArena Expert | 1503 | 1061 |
| GPQA Diamond | — | 14.7% |
| MMLU | — | 76.3% |
Multilingual MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 55.1 (#34), Yi-34B: 29.7 (#264)
| Benchmark | MiMo-V2.5-Pro | Yi-34B |
|---|---|---|
| LMArena Non-English | 1449 | 1079 |
| LMArena Chinese | 1507 | 1176 |
| LMArena French | 1488 | 1081 |
| LMArena German | 1458 | 1042 |
| LMArena Japanese | 1412 | 993 |
| LMArena Korean | 1437 | 959 |
| LMArena Russian | 1450 | 1050 |
| LMArena Spanish | 1471 | 1070 |
Instruction Following MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 77.5 (#21), Yi-34B: 56.2 (#274)
| Benchmark | MiMo-V2.5-Pro | Yi-34B |
|---|---|---|
| LMArena Instruction Following | 1477 | 1091 |
Long Context MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 45.4 (#37), Yi-34B: 33.2 (#264)
| Benchmark | MiMo-V2.5-Pro | Yi-34B |
|---|---|---|
| LMArena Longer Query | 1483 | 1094 |
Writing & Preference MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 65.3 (#49), Yi-34B: 34.1 (#273)
| Benchmark | MiMo-V2.5-Pro | Yi-34B |
|---|---|---|
| LMArena Text | 1465 | 1129 |
| LMArena Creative Writing | 1440 | 1108 |
| LMArena Multi-Turn | 1477 | 1113 |
| EQ-Bench Creative Writing | 1493 | — |
| EQ-Bench 4 | 1208 | — |
Frequently asked questions
Is MiMo-V2.5-Pro better than Yi-34B?
MiMo-V2.5-Pro is the stronger model overall, scoring 45.2 to 27.8 on the Noometry Index.
Is MiMo-V2.5-Pro or Yi-34B better for coding?
MiMo-V2.5-Pro scores higher on coding benchmarks: 47.4 versus 32.3 in the Noometry coding category.
How many benchmarks do MiMo-V2.5-Pro and Yi-34B share?
17 benchmarks have published results for both models. MiMo-V2.5-Pro has 27 scored results on Noometry and Yi-34B has 23.