Model comparison
C4ai Aya Expanse 8b vs MiMo-V2.6-Flash
MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 34.9 on the Noometry Index.
Last verified . 12 shared benchmarks.
CohereSummary
- They share 12 benchmarks with published results for both. C4ai Aya Expanse 8b scores higher in 0 categories and MiMo-V2.6-Flash in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2.6-Flash leads 63.1 to 39.0.
Side by side
| C4ai Aya Expanse 8b | MiMo-V2.6-Flash | |
|---|---|---|
| Provider | Cohere | Xiaomi |
| Noometry Index | 34.9 | 48.5 |
| Released | — | 2026-09-21 |
| Weights | Open | Open |
| Context window | — | 1.05M |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.14 |
| Output $ / M tokens | — | $0.28 |
| Results tracked | 15 | 19 |
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Category by category
Coding MiMo-V2.6-Flash leads
C4ai Aya Expanse 8b: 33.8 (#252), MiMo-V2.6-Flash: 53.4 (#30)
| Benchmark | C4ai Aya Expanse 8b | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Coding | 1160 | 1504 |
| LMArena WebDev | — | 1637 |
| SciCode | — | 51.3% |
Reasoning MiMo-V2.6-Flash leads
C4ai Aya Expanse 8b: 22.4 (#197), MiMo-V2.6-Flash: 36.5 (#66)
| Benchmark | C4ai Aya Expanse 8b | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Hard Prompts | 1156 | 1482 |
| CritPt | — | 12% |
Math MiMo-V2.6-Flash leads
C4ai Aya Expanse 8b: 33.3 (#203), MiMo-V2.6-Flash: 51.9 (#52)
| Benchmark | C4ai Aya Expanse 8b | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Math | 1168 | 1468 |
| ProofBench | — | 63% |
Knowledge MiMo-V2.6-Flash leads
C4ai Aya Expanse 8b: 33.6 (#201), MiMo-V2.6-Flash: 42.2 (#99)
| Benchmark | C4ai Aya Expanse 8b | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Expert | 1153 | 1501 |
| Vectara Hallucination Rate | 9.5% | — |
Multimodal Not comparable
C4ai Aya Expanse 8b: —, MiMo-V2.6-Flash: 40.5 (#47)
| Benchmark | C4ai Aya Expanse 8b | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Vision | — | 1259 |
Multilingual MiMo-V2.6-Flash leads
C4ai Aya Expanse 8b: 36.1 (#242), MiMo-V2.6-Flash: 54.0 (#51)
| Benchmark | C4ai Aya Expanse 8b | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Non-English | 1180 | 1434 |
| LMArena Chinese | 1181 | 1511 |
| LMArena Russian | 1197 | 1409 |
| LMArena French | — | 1475 |
| LMArena German | 1188 | — |
| LMArena Japanese | 1120 | — |
| LMArena Spanish | — | 1456 |
Instruction Following MiMo-V2.6-Flash leads
C4ai Aya Expanse 8b: 60.1 (#253), MiMo-V2.6-Flash: 76.8 (#35)
| Benchmark | C4ai Aya Expanse 8b | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Instruction Following | 1155 | 1463 |
Long Context MiMo-V2.6-Flash leads
C4ai Aya Expanse 8b: 36.1 (#236), MiMo-V2.6-Flash: 44.8 (#57)
| Benchmark | C4ai Aya Expanse 8b | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Longer Query | 1191 | 1463 |
Writing & Preference MiMo-V2.6-Flash leads
C4ai Aya Expanse 8b: 39.0 (#250), MiMo-V2.6-Flash: 63.1 (#67)
| Benchmark | C4ai Aya Expanse 8b | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Text | 1185 | 1455 |
| LMArena Creative Writing | 1168 | 1400 |
| LMArena Multi-Turn | 1160 | 1451 |
Frequently asked questions
Is C4ai Aya Expanse 8b better than MiMo-V2.6-Flash?
MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 34.9 on the Noometry Index.
Is C4ai Aya Expanse 8b or MiMo-V2.6-Flash better for coding?
MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 33.8 in the Noometry coding category.
How many benchmarks do C4ai Aya Expanse 8b and MiMo-V2.6-Flash share?
12 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and MiMo-V2.6-Flash has 19.