Model comparison
MiMo-V2.6-Pro vs Muse Spark
MiMo-V2.6-Pro and Muse Spark score almost the same on the Noometry Index (50.3 vs 50.6), so choose on price, context window or the category you care about most.
Last verified . 16 shared benchmarks.
MetaSummary
- They share 16 benchmarks with published results for both. MiMo-V2.6-Pro scores higher in 7 categories and Muse Spark in 2 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Muse Spark leads 65.7 to 43.5.
- The biggest single-benchmark swing is ProofBench: 70% for MiMo-V2.6-Pro and 17% for Muse Spark.
- MiMo-V2.6-Pro has downloadable open weights; the other is API-only.
Side by side
| MiMo-V2.6-Pro | Muse Spark | |
|---|---|---|
| Provider | Xiaomi | Meta |
| Noometry Index | 50.3 | 50.6 |
| Released | 2026-09-21 | 2026-04-08 |
| Weights | Open | Proprietary |
| Context window | 1.05M | — |
| Max output | 131K | — |
| Input $ / M tokens | $0.43 | — |
| Output $ / M tokens | $0.87 | — |
| Results tracked | 19 | 27 |
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Category by category
Coding MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 55.5 (#23), Muse Spark: 46.2 (#69)
| Benchmark | MiMo-V2.6-Pro | Muse Spark |
|---|---|---|
| SciCode | 60.9% | 51.5% |
| LMArena Coding | 1534 | 1481 |
| LMArena WebDev | 1629 | — |
| ALE-Bench | 1,158 | — |
Agentic & Tool Use Not comparable
MiMo-V2.6-Pro: 37.5 (#35), Muse Spark: —
| Benchmark | MiMo-V2.6-Pro | Muse Spark |
|---|---|---|
| APEX-Agents | 59.5% | — |
Reasoning MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 43.1 (#50), Muse Spark: 35.9 (#67)
| Benchmark | MiMo-V2.6-Pro | Muse Spark |
|---|---|---|
| CritPt | 26.6% | 11.3% |
| LMArena Hard Prompts | 1512 | 1474 |
| Epoch Capabilities Index | — | 152.04 |
Math MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 54.5 (#45), Muse Spark: 47.8 (#66)
| Benchmark | MiMo-V2.6-Pro | Muse Spark |
|---|---|---|
| ProofBench | 70% | 17% |
| LMArena Math | 1494 | 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-Pro: 43.5 (#92), Muse Spark: 65.7 (#13)
| Benchmark | MiMo-V2.6-Pro | Muse Spark |
|---|---|---|
| LMArena Expert | 1543 | 1457 |
| GPQA Diamond | — | 89.8% |
| Humanity's Last Exam | — | 40.6% |
Multimodal Muse Spark leads
MiMo-V2.6-Pro: 40.8 (#43), Muse Spark: 43.4 (#24)
| Benchmark | MiMo-V2.6-Pro | Muse Spark |
|---|---|---|
| LMArena Vision | 1264 | 1306 |
| LMArena Document | — | 1444 |
Multilingual Too close to call
MiMo-V2.6-Pro: 56.9 (#14), Muse Spark: 56.1 (#24)
| Benchmark | MiMo-V2.6-Pro | Muse Spark |
|---|---|---|
| LMArena Non-English | 1474 | 1464 |
| LMArena Chinese | 1529 | 1509 |
| LMArena Russian | 1480 | 1466 |
| LMArena French | — | 1497 |
| LMArena German | — | 1497 |
| LMArena Korean | — | 1459 |
| LMArena Spanish | — | 1472 |
Instruction Following MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 78.2 (#12), Muse Spark: 75.9 (#51)
| Benchmark | MiMo-V2.6-Pro | Muse Spark |
|---|---|---|
| LMArena Instruction Following | 1493 | 1442 |
Long Context MiMo-V2.6-Pro leads
MiMo-V2.6-Pro: 46.0 (#27), Muse Spark: 44.4 (#69)
| Benchmark | MiMo-V2.6-Pro | Muse Spark |
|---|---|---|
| LMArena Longer Query | 1501 | 1451 |
Writing & Preference Too close to call
MiMo-V2.6-Pro: 66.8 (#33), Muse Spark: 66.0 (#39)
| Benchmark | MiMo-V2.6-Pro | Muse Spark |
|---|---|---|
| LMArena Text | 1492 | 1474 |
| LMArena Creative Writing | 1468 | 1459 |
| LMArena Multi-Turn | 1464 | 1477 |
Frequently asked questions
Is MiMo-V2.6-Pro better than Muse Spark?
MiMo-V2.6-Pro and Muse Spark score almost the same on the Noometry Index (50.3 vs 50.6), so choose on price, context window or the category you care about most.
Is MiMo-V2.6-Pro or Muse Spark better for coding?
MiMo-V2.6-Pro scores higher on coding benchmarks: 55.5 versus 46.2 in the Noometry coding category.
How many benchmarks do MiMo-V2.6-Pro and Muse Spark share?
16 benchmarks have published results for both models. MiMo-V2.6-Pro has 19 scored results on Noometry and Muse Spark has 27.