Model comparison
MiMo-V2-Pro vs Muse Spark
Muse Spark is the stronger model overall, scoring 50.6 to 43.0 on the Noometry Index.
Last verified . 16 shared benchmarks.
MetaSummary
- They share 16 benchmarks with published results for both. MiMo-V2-Pro scores higher in 1 category and Muse Spark in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Muse Spark leads 65.7 to 41.4.
Side by side
| MiMo-V2-Pro | Muse Spark | |
|---|---|---|
| Provider | Xiaomi | Meta |
| Noometry Index | 43.0 | 50.6 |
| Released | 2026-03-18 | 2026-04-08 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | — |
| Max output | 131K | — |
| Input $ / M tokens | $0.43 | — |
| Output $ / M tokens | $0.87 | — |
| Results tracked | 23 | 27 |
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Category by category
Coding Muse Spark leads
MiMo-V2-Pro: 43.8 (#83), Muse Spark: 46.2 (#69)
| Benchmark | MiMo-V2-Pro | Muse Spark |
|---|---|---|
| LMArena Coding | 1476 | 1481 |
| LMArena WebDev | 1433 | — |
| SciCode | — | 51.5% |
| ALE-Bench | 785.17 | — |
Reasoning Muse Spark leads
MiMo-V2-Pro: 22.1 (#206), Muse Spark: 35.9 (#67)
| Benchmark | MiMo-V2-Pro | Muse Spark |
|---|---|---|
| LMArena Hard Prompts | 1457 | 1474 |
| NYT Connections (extended) | 25.8% | — |
| CritPt | — | 11.3% |
| Thematic Generalization | 45.9% | — |
| Epoch Capabilities Index | — | 152.04 |
Math Muse Spark leads
MiMo-V2-Pro: 39.5 (#102), Muse Spark: 47.8 (#66)
| Benchmark | MiMo-V2-Pro | Muse Spark |
|---|---|---|
| LMArena Math | 1447 | 1455 |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | — | 17% |
| FrontierMath (Feb 2025 set) | — | 39% |
| FrontierMath Tier 4 (v1) | — | 14.6% |
Knowledge Muse Spark leads
MiMo-V2-Pro: 41.4 (#111), Muse Spark: 65.7 (#13)
| Benchmark | MiMo-V2-Pro | Muse Spark |
|---|---|---|
| LMArena Expert | 1478 | 1457 |
| GPQA Diamond | — | 89.8% |
| Humanity's Last Exam | — | 40.6% |
Multimodal Not comparable
MiMo-V2-Pro: —, Muse Spark: 43.4 (#24)
| Benchmark | MiMo-V2-Pro | Muse Spark |
|---|---|---|
| LMArena Vision | — | 1306 |
| LMArena Document | — | 1444 |
Multilingual Muse Spark leads
MiMo-V2-Pro: 52.7 (#81), Muse Spark: 56.1 (#24)
| Benchmark | MiMo-V2-Pro | Muse Spark |
|---|---|---|
| LMArena Non-English | 1416 | 1464 |
| LMArena Chinese | 1456 | 1509 |
| LMArena French | 1469 | 1497 |
| LMArena German | 1417 | 1497 |
| LMArena Korean | 1400 | 1459 |
| LMArena Russian | 1427 | 1466 |
| LMArena Spanish | 1457 | 1472 |
| LMArena Japanese | 1366 | — |
Instruction Following Too close to call
MiMo-V2-Pro: 76.0 (#49), Muse Spark: 75.9 (#51)
| Benchmark | MiMo-V2-Pro | Muse Spark |
|---|---|---|
| LMArena Instruction Following | 1445 | 1442 |
Long Context Muse Spark leads
MiMo-V2-Pro: 41.5 (#138), Muse Spark: 44.4 (#69)
| Benchmark | MiMo-V2-Pro | Muse Spark |
|---|---|---|
| LMArena Longer Query | 1455 | 1451 |
| CL-bench | 15.7% | — |
| CL-bench Life | 6.9% | — |
Writing & Preference Muse Spark leads
MiMo-V2-Pro: 62.8 (#70), Muse Spark: 66.0 (#39)
| Benchmark | MiMo-V2-Pro | Muse Spark |
|---|---|---|
| LMArena Text | 1436 | 1474 |
| LMArena Creative Writing | 1415 | 1459 |
| LMArena Multi-Turn | 1456 | 1477 |
Frequently asked questions
Is MiMo-V2-Pro better than Muse Spark?
Muse Spark is the stronger model overall, scoring 50.6 to 43.0 on the Noometry Index.
Is MiMo-V2-Pro or Muse Spark better for coding?
Muse Spark scores higher on coding benchmarks: 46.2 versus 43.8 in the Noometry coding category.
How many benchmarks do MiMo-V2-Pro and Muse Spark share?
16 benchmarks have published results for both models. MiMo-V2-Pro has 23 scored results on Noometry and Muse Spark has 27.