Model comparison
MiMo-V2-Omni vs Yi-34B
MiMo-V2-Omni is the stronger model overall, scoring 43.6 to 27.8 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. MiMo-V2-Omni 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-Omni leads 40.5 to 7.5.
- Yi-34B has downloadable open weights; the other is API-only.
Side by side
| MiMo-V2-Omni | Yi-34B | |
|---|---|---|
| Provider | Xiaomi | 01.AI |
| Noometry Index | 43.6 | 27.8 |
| Released | 2026-03-18 | 2023-11-02 |
| Weights | Proprietary | Open |
| Context window | 262K | — |
| Max output | 131K | — |
| Input $ / M tokens | $0.14 | — |
| Output $ / M tokens | $0.28 | — |
| Results tracked | 18 | 23 |
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Category by category
Coding MiMo-V2-Omni leads
MiMo-V2-Omni: 43.3 (#89), Yi-34B: 32.3 (#274)
| Benchmark | MiMo-V2-Omni | Yi-34B |
|---|---|---|
| LMArena Coding | 1466 | 1112 |
Reasoning MiMo-V2-Omni leads
MiMo-V2-Omni: 29.7 (#88), Yi-34B: 21.2 (#226)
| Benchmark | MiMo-V2-Omni | Yi-34B |
|---|---|---|
| LMArena Hard Prompts | 1445 | 1104 |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | — | 117.39 |
Math MiMo-V2-Omni leads
MiMo-V2-Omni: 39.1 (#115), Yi-34B: 21.6 (#282)
| Benchmark | MiMo-V2-Omni | Yi-34B |
|---|---|---|
| LMArena Math | 1430 | 1114 |
| MATH Level 5 | — | 5.1% |
| GSM8K | — | 76% |
Knowledge MiMo-V2-Omni leads
MiMo-V2-Omni: 40.5 (#118), Yi-34B: 7.5 (#309)
| Benchmark | MiMo-V2-Omni | Yi-34B |
|---|---|---|
| LMArena Expert | 1449 | 1061 |
| GPQA Diamond | — | 14.7% |
| MMLU | — | 76.3% |
Multimodal Not comparable
MiMo-V2-Omni: 38.6 (#63), Yi-34B: —
| Benchmark | MiMo-V2-Omni | Yi-34B |
|---|---|---|
| LMArena Vision | 1228 | — |
Multilingual MiMo-V2-Omni leads
MiMo-V2-Omni: 51.8 (#102), Yi-34B: 29.7 (#264)
| Benchmark | MiMo-V2-Omni | Yi-34B |
|---|---|---|
| LMArena Non-English | 1404 | 1079 |
| LMArena Chinese | 1465 | 1176 |
| LMArena French | 1447 | 1081 |
| LMArena German | 1399 | 1042 |
| LMArena Japanese | 1317 | 993 |
| LMArena Korean | 1355 | 959 |
| LMArena Russian | 1412 | 1050 |
| LMArena Spanish | 1434 | 1070 |
Instruction Following MiMo-V2-Omni leads
MiMo-V2-Omni: 75.2 (#66), Yi-34B: 56.2 (#274)
| Benchmark | MiMo-V2-Omni | Yi-34B |
|---|---|---|
| LMArena Instruction Following | 1428 | 1091 |
Long Context MiMo-V2-Omni leads
MiMo-V2-Omni: 44.1 (#76), Yi-34B: 33.2 (#264)
| Benchmark | MiMo-V2-Omni | Yi-34B |
|---|---|---|
| LMArena Longer Query | 1442 | 1094 |
Writing & Preference MiMo-V2-Omni leads
MiMo-V2-Omni: 61.4 (#87), Yi-34B: 34.1 (#273)
| Benchmark | MiMo-V2-Omni | Yi-34B |
|---|---|---|
| LMArena Text | 1423 | 1129 |
| LMArena Creative Writing | 1392 | 1108 |
| LMArena Multi-Turn | 1445 | 1113 |
Frequently asked questions
Is MiMo-V2-Omni better than Yi-34B?
MiMo-V2-Omni is the stronger model overall, scoring 43.6 to 27.8 on the Noometry Index.
Is MiMo-V2-Omni or Yi-34B better for coding?
MiMo-V2-Omni scores higher on coding benchmarks: 43.3 versus 32.3 in the Noometry coding category.
How many benchmarks do MiMo-V2-Omni and Yi-34B share?
17 benchmarks have published results for both models. MiMo-V2-Omni has 18 scored results on Noometry and Yi-34B has 23.