Model comparison
MiMo-V2.6-Flash vs Muse Spark
Muse Spark is the stronger model overall, scoring 50.6 to 48.5 on the Noometry Index.
Last verified . 18 shared benchmarks.
MetaSummary
- They share 18 benchmarks with published results for both. MiMo-V2.6-Flash scores higher in 5 categories and Muse Spark in 4 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Muse Spark leads 65.7 to 42.2.
- The biggest single-benchmark swing is ProofBench: 63% for MiMo-V2.6-Flash and 17% for Muse Spark.
- MiMo-V2.6-Flash has downloadable open weights; the other is API-only.
Side by side
| MiMo-V2.6-Flash | Muse Spark | |
|---|---|---|
| Provider | Xiaomi | Meta |
| Noometry Index | 48.5 | 50.6 |
| Released | 2026-09-21 | 2026-04-08 |
| Weights | Open | Proprietary |
| Context window | 1.05M | — |
| Max output | 131K | — |
| Input $ / M tokens | $0.14 | — |
| Output $ / M tokens | $0.28 | — |
| Results tracked | 19 | 27 |
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Category by category
Coding MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 53.4 (#30), Muse Spark: 46.2 (#69)
| Benchmark | MiMo-V2.6-Flash | Muse Spark |
|---|---|---|
| SciCode | 51.3% | 51.5% |
| LMArena Coding | 1504 | 1481 |
| LMArena WebDev | 1637 | — |
Reasoning Too close to call
MiMo-V2.6-Flash: 36.5 (#66), Muse Spark: 35.9 (#67)
| Benchmark | MiMo-V2.6-Flash | Muse Spark |
|---|---|---|
| CritPt | 12% | 11.3% |
| LMArena Hard Prompts | 1482 | 1474 |
| Epoch Capabilities Index | — | 152.04 |
Math MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 51.9 (#52), Muse Spark: 47.8 (#66)
| Benchmark | MiMo-V2.6-Flash | Muse Spark |
|---|---|---|
| ProofBench | 63% | 17% |
| LMArena Math | 1468 | 1455 |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| FrontierMath (Feb 2025 set) | — | 39% |
| FrontierMath Tier 4 (v1) | — | 14.6% |
Knowledge Muse Spark leads
MiMo-V2.6-Flash: 42.2 (#99), Muse Spark: 65.7 (#13)
| Benchmark | MiMo-V2.6-Flash | Muse Spark |
|---|---|---|
| LMArena Expert | 1501 | 1457 |
| GPQA Diamond | — | 89.8% |
| Humanity's Last Exam | — | 40.6% |
Multimodal Muse Spark leads
MiMo-V2.6-Flash: 40.5 (#47), Muse Spark: 43.4 (#24)
| Benchmark | MiMo-V2.6-Flash | Muse Spark |
|---|---|---|
| LMArena Vision | 1259 | 1306 |
| LMArena Document | — | 1444 |
Multilingual Muse Spark leads
MiMo-V2.6-Flash: 54.0 (#51), Muse Spark: 56.1 (#24)
| Benchmark | MiMo-V2.6-Flash | Muse Spark |
|---|---|---|
| LMArena Non-English | 1434 | 1464 |
| LMArena Chinese | 1511 | 1509 |
| LMArena French | 1475 | 1497 |
| LMArena Russian | 1409 | 1466 |
| LMArena Spanish | 1456 | 1472 |
| LMArena German | — | 1497 |
| LMArena Korean | — | 1459 |
Instruction Following Too close to call
MiMo-V2.6-Flash: 76.8 (#35), Muse Spark: 75.9 (#51)
| Benchmark | MiMo-V2.6-Flash | Muse Spark |
|---|---|---|
| LMArena Instruction Following | 1463 | 1442 |
Long Context Too close to call
MiMo-V2.6-Flash: 44.8 (#57), Muse Spark: 44.4 (#69)
| Benchmark | MiMo-V2.6-Flash | Muse Spark |
|---|---|---|
| LMArena Longer Query | 1463 | 1451 |
Writing & Preference Muse Spark leads
MiMo-V2.6-Flash: 63.1 (#67), Muse Spark: 66.0 (#39)
| Benchmark | MiMo-V2.6-Flash | Muse Spark |
|---|---|---|
| LMArena Text | 1455 | 1474 |
| LMArena Creative Writing | 1400 | 1459 |
| LMArena Multi-Turn | 1451 | 1477 |
Frequently asked questions
Is MiMo-V2.6-Flash better than Muse Spark?
Muse Spark is the stronger model overall, scoring 50.6 to 48.5 on the Noometry Index.
Is MiMo-V2.6-Flash or Muse Spark better for coding?
MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 46.2 in the Noometry coding category.
How many benchmarks do MiMo-V2.6-Flash and Muse Spark share?
18 benchmarks have published results for both models. MiMo-V2.6-Flash has 19 scored results on Noometry and Muse Spark has 27.