Model comparison
MiMo-V2.6-Pro vs Yi-1.5-34B
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 30.6 on the Noometry Index.
Last verified . 12 shared benchmarks.
Summary
- They share 12 benchmarks with published results for both. MiMo-V2.6-Pro scores higher in 8 categories and Yi-1.5-34B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2.6-Pro leads 66.8 to 37.4.
Side by side
| MiMo-V2.6-Pro | Yi-1.5-34B | |
|---|---|---|
| Provider | Xiaomi | 01.AI |
| Noometry Index | 50.3 | 30.6 |
| Released | 2026-09-21 | 2024-05-13 |
| Weights | Open | Open |
| Context window | 1.05M | — |
| Max output | 131K | — |
| Input $ / M tokens | $0.43 | — |
| Output $ / M tokens | $0.87 | — |
| Results tracked | 19 | 21 |
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Category by category
Coding MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 55.5 (#23), Yi-1.5-34B: 32.4 (#272)
| Benchmark | MiMo-V2.6-Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Coding | 1534 | 1169 |
| LMArena WebDev | 1629 | — |
| SciCode | 60.9% | — |
| BigCodeBench Instruct | — | 33.9% |
| BigCodeBench Complete | — | 43.8% |
| ALE-Bench | 1,158 | — |
Agentic & Tool Use Not comparable
MiMo-V2.6-Pro: 37.5 (#35), Yi-1.5-34B: —
| Benchmark | MiMo-V2.6-Pro | Yi-1.5-34B |
|---|---|---|
| APEX-Agents | 59.5% | — |
Reasoning MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 43.1 (#50), Yi-1.5-34B: 22.5 (#191)
| Benchmark | MiMo-V2.6-Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Hard Prompts | 1512 | 1160 |
| CritPt | 26.6% | — |
Math MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 54.5 (#45), Yi-1.5-34B: 27.5 (#249)
| Benchmark | MiMo-V2.6-Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Math | 1494 | 1182 |
| ProofBench | 70% | — |
| MATH Level 5 | — | 25.5% |
Knowledge MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 43.5 (#92), Yi-1.5-34B: 14.8 (#295)
| Benchmark | MiMo-V2.6-Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Expert | 1543 | 1144 |
| GPQA Diamond | — | 32% |
Multimodal Not comparable
MiMo-V2.6-Pro: 40.8 (#43), Yi-1.5-34B: —
| Benchmark | MiMo-V2.6-Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Vision | 1264 | — |
Multilingual MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 56.9 (#14), Yi-1.5-34B: 32.3 (#256)
| Benchmark | MiMo-V2.6-Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Non-English | 1474 | 1121 |
| LMArena Chinese | 1529 | 1213 |
| LMArena Russian | 1480 | 1091 |
| LMArena French | — | 1156 |
| LMArena German | — | 1111 |
| LMArena Japanese | — | 1021 |
| LMArena Korean | — | 1005 |
| LMArena Spanish | — | 1121 |
Instruction Following MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 78.2 (#12), Yi-1.5-34B: 59.2 (#257)
| Benchmark | MiMo-V2.6-Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Instruction Following | 1493 | 1139 |
Long Context MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 46.0 (#27), Yi-1.5-34B: 34.6 (#248)
| Benchmark | MiMo-V2.6-Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Longer Query | 1501 | 1143 |
Writing & Preference MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 66.8 (#33), Yi-1.5-34B: 37.4 (#257)
| Benchmark | MiMo-V2.6-Pro | Yi-1.5-34B |
|---|---|---|
| LMArena Text | 1492 | 1173 |
| LMArena Creative Writing | 1468 | 1135 |
| LMArena Multi-Turn | 1464 | 1153 |
Frequently asked questions
Is MiMo-V2.6-Pro better than Yi-1.5-34B?
MiMo-V2.6-Pro is the stronger model overall, scoring 50.3 to 30.6 on the Noometry Index.
Is MiMo-V2.6-Pro or Yi-1.5-34B better for coding?
MiMo-V2.6-Pro scores higher on coding benchmarks: 55.5 versus 32.4 in the Noometry coding category.
How many benchmarks do MiMo-V2.6-Pro and Yi-1.5-34B share?
12 benchmarks have published results for both models. MiMo-V2.6-Pro has 19 scored results on Noometry and Yi-1.5-34B has 21.