Model comparison
MiMo-V2.6-Flash vs Yi-1.5-34B
MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 30.6 on the Noometry Index.
Last verified . 14 shared benchmarks.
Summary
- They share 14 benchmarks with published results for both. MiMo-V2.6-Flash 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 knowledge, where MiMo-V2.6-Flash leads 42.2 to 14.8.
Side by side
| MiMo-V2.6-Flash | Yi-1.5-34B | |
|---|---|---|
| Provider | Xiaomi | 01.AI |
| Noometry Index | 48.5 | 30.6 |
| Released | 2026-09-21 | 2024-05-13 |
| Weights | Open | Open |
| Context window | 1.05M | — |
| Max output | 131K | — |
| Input $ / M tokens | $0.14 | — |
| Output $ / M tokens | $0.28 | — |
| Results tracked | 19 | 21 |
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Category by category
Coding MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 53.4 (#30), Yi-1.5-34B: 32.4 (#272)
| Benchmark | MiMo-V2.6-Flash | Yi-1.5-34B |
|---|---|---|
| LMArena Coding | 1504 | 1169 |
| LMArena WebDev | 1637 | — |
| SciCode | 51.3% | — |
| BigCodeBench Instruct | — | 33.9% |
| BigCodeBench Complete | — | 43.8% |
Reasoning MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 36.5 (#66), Yi-1.5-34B: 22.5 (#191)
| Benchmark | MiMo-V2.6-Flash | Yi-1.5-34B |
|---|---|---|
| LMArena Hard Prompts | 1482 | 1160 |
| CritPt | 12% | — |
Math MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 51.9 (#52), Yi-1.5-34B: 27.5 (#249)
| Benchmark | MiMo-V2.6-Flash | Yi-1.5-34B |
|---|---|---|
| LMArena Math | 1468 | 1182 |
| ProofBench | 63% | — |
| MATH Level 5 | — | 25.5% |
Knowledge MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 42.2 (#99), Yi-1.5-34B: 14.8 (#295)
| Benchmark | MiMo-V2.6-Flash | Yi-1.5-34B |
|---|---|---|
| LMArena Expert | 1501 | 1144 |
| GPQA Diamond | — | 32% |
Multimodal Not comparable
MiMo-V2.6-Flash: 40.5 (#47), Yi-1.5-34B: —
| Benchmark | MiMo-V2.6-Flash | Yi-1.5-34B |
|---|---|---|
| LMArena Vision | 1259 | — |
Multilingual MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 54.0 (#51), Yi-1.5-34B: 32.3 (#256)
| Benchmark | MiMo-V2.6-Flash | Yi-1.5-34B |
|---|---|---|
| LMArena Non-English | 1434 | 1121 |
| LMArena Chinese | 1511 | 1213 |
| LMArena French | 1475 | 1156 |
| LMArena Russian | 1409 | 1091 |
| LMArena Spanish | 1456 | 1121 |
| LMArena German | — | 1111 |
| LMArena Japanese | — | 1021 |
| LMArena Korean | — | 1005 |
Instruction Following MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 76.8 (#35), Yi-1.5-34B: 59.2 (#257)
| Benchmark | MiMo-V2.6-Flash | Yi-1.5-34B |
|---|---|---|
| LMArena Instruction Following | 1463 | 1139 |
Long Context MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 44.8 (#57), Yi-1.5-34B: 34.6 (#248)
| Benchmark | MiMo-V2.6-Flash | Yi-1.5-34B |
|---|---|---|
| LMArena Longer Query | 1463 | 1143 |
Writing & Preference MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 63.1 (#67), Yi-1.5-34B: 37.4 (#257)
| Benchmark | MiMo-V2.6-Flash | Yi-1.5-34B |
|---|---|---|
| LMArena Text | 1455 | 1173 |
| LMArena Creative Writing | 1400 | 1135 |
| LMArena Multi-Turn | 1451 | 1153 |
Frequently asked questions
Is MiMo-V2.6-Flash better than Yi-1.5-34B?
MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 30.6 on the Noometry Index.
Is MiMo-V2.6-Flash or Yi-1.5-34B better for coding?
MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 32.4 in the Noometry coding category.
How many benchmarks do MiMo-V2.6-Flash and Yi-1.5-34B share?
14 benchmarks have published results for both models. MiMo-V2.6-Flash has 19 scored results on Noometry and Yi-1.5-34B has 21.