Model comparison
MiMo-V2.6-Flash vs Muse Spark 1.1
Muse Spark 1.1 is the stronger model overall, scoring 49.9 to 48.5 on the Noometry Index. MiMo-V2.6-Flash costs 11× less per token, which makes it the better buy when Muse Spark 1.1's lead doesn't matter for your workload.
Last verified . 19 shared benchmarks.
MetaSummary
- They share 19 benchmarks with published results for both. MiMo-V2.6-Flash scores higher in 4 categories and Muse Spark 1.1 in 5 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Muse Spark 1.1 leads 53.1 to 42.2.
- The biggest single-benchmark swing is ProofBench: 63% for MiMo-V2.6-Flash and 39% for Muse Spark 1.1.
- MiMo-V2.6-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.1.
- MiMo-V2.6-Flash has downloadable open weights; the other is API-only.
Side by side
| MiMo-V2.6-Flash | Muse Spark 1.1 | |
|---|---|---|
| Provider | Xiaomi | Meta |
| Noometry Index | 48.5 | 49.9 |
| Released | 2026-09-21 | 2026-04-08 |
| Weights | Open | Proprietary |
| Context window | 1.05M | 1.05M |
| Max output | 131K | 131K |
| Input $ / M tokens | $0.14 | $1.25 |
| Output $ / M tokens | $0.28 | $4.25 |
| Results tracked | 19 | 37 |
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Category by category
Coding MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 53.4 (#30), Muse Spark 1.1: 51.3 (#40)
| Benchmark | MiMo-V2.6-Flash | Muse Spark 1.1 |
|---|---|---|
| LMArena WebDev | 1637 | 1542 |
| SciCode | 51.3% | 58.8% |
| LMArena Coding | 1504 | 1498 |
| DeepSWE | — | 53.3% |
Agentic & Tool Use Not comparable
MiMo-V2.6-Flash: —, Muse Spark 1.1: 30.8 (#73)
| Benchmark | MiMo-V2.6-Flash | Muse Spark 1.1 |
|---|---|---|
| APEX-Agents | — | 31.8% |
| τ²-bench Banking | — | 40.5% |
| GBAEval | — | 7.9% |
| GDP.pdf | — | 15% |
| Vending-Bench 2 | — | 6,520 |
Reasoning Muse Spark 1.1 leads
MiMo-V2.6-Flash: 36.5 (#66), Muse Spark 1.1: 47.1 (#44)
| Benchmark | MiMo-V2.6-Flash | Muse Spark 1.1 |
|---|---|---|
| CritPt | 12% | 15.1% |
| LMArena Hard Prompts | 1482 | 1486 |
| NYT Connections (extended) | — | 84.9% |
| DTBench | — | 94.4% |
| LMCA | — | 49.9% |
| Surface Evolver Bench | — | 52.5% |
| Epoch Capabilities Index | — | 154.21 |
Math MiMo-V2.6-Flash leads
MiMo-V2.6-Flash: 51.9 (#52), Muse Spark 1.1: 45.5 (#76)
| Benchmark | MiMo-V2.6-Flash | Muse Spark 1.1 |
|---|---|---|
| ProofBench | 63% | 39% |
| LMArena Math | 1468 | 1483 |
Knowledge Muse Spark 1.1 leads
MiMo-V2.6-Flash: 42.2 (#99), Muse Spark 1.1: 53.1 (#59)
| Benchmark | MiMo-V2.6-Flash | Muse Spark 1.1 |
|---|---|---|
| LMArena Expert | 1501 | 1478 |
| SimpleQA Verified | — | 57.8% |
Multimodal Muse Spark 1.1 leads
MiMo-V2.6-Flash: 40.5 (#47), Muse Spark 1.1: 42.6 (#29)
| Benchmark | MiMo-V2.6-Flash | Muse Spark 1.1 |
|---|---|---|
| LMArena Vision | 1259 | 1293 |
| LMArena Document | — | 1465 |
Multilingual Muse Spark 1.1 leads
MiMo-V2.6-Flash: 54.0 (#51), Muse Spark 1.1: 56.7 (#17)
| Benchmark | MiMo-V2.6-Flash | Muse Spark 1.1 |
|---|---|---|
| LMArena Non-English | 1434 | 1472 |
| LMArena Chinese | 1511 | 1518 |
| LMArena French | 1475 | 1494 |
| LMArena Russian | 1409 | 1483 |
| LMArena Spanish | 1456 | 1464 |
| LMArena German | — | 1466 |
| LMArena Japanese | — | 1451 |
| LMArena Korean | — | 1458 |
Instruction Following Too close to call
MiMo-V2.6-Flash: 76.8 (#35), Muse Spark 1.1: 76.5 (#39)
| Benchmark | MiMo-V2.6-Flash | Muse Spark 1.1 |
|---|---|---|
| LMArena Instruction Following | 1463 | 1457 |
Long Context Too close to call
MiMo-V2.6-Flash: 44.8 (#57), Muse Spark 1.1: 44.8 (#58)
| Benchmark | MiMo-V2.6-Flash | Muse Spark 1.1 |
|---|---|---|
| LMArena Longer Query | 1463 | 1462 |
Writing & Preference Muse Spark 1.1 leads
MiMo-V2.6-Flash: 63.1 (#67), Muse Spark 1.1: 73.4 (#11)
| Benchmark | MiMo-V2.6-Flash | Muse Spark 1.1 |
|---|---|---|
| LMArena Text | 1455 | 1479 |
| LMArena Creative Writing | 1400 | 1437 |
| LMArena Multi-Turn | 1451 | 1485 |
| EQ-Bench Creative Writing | — | 1927 |
| EQ-Bench 4 | — | 1260 |
Frequently asked questions
Is MiMo-V2.6-Flash better than Muse Spark 1.1?
Muse Spark 1.1 is the stronger model overall, scoring 49.9 to 48.5 on the Noometry Index. MiMo-V2.6-Flash costs 11× less per token, which makes it the better buy when Muse Spark 1.1's lead doesn't matter for your workload.
Which is cheaper, MiMo-V2.6-Flash or Muse Spark 1.1?
MiMo-V2.6-Flash is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Muse Spark 1.1 lists at $1.25 and $4.25.
Is MiMo-V2.6-Flash or Muse Spark 1.1 better for coding?
MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 51.3 in the Noometry coding category.
Which has the bigger context window?
Both accept 1.05M tokens.
How many benchmarks do MiMo-V2.6-Flash and Muse Spark 1.1 share?
19 benchmarks have published results for both models. MiMo-V2.6-Flash has 19 scored results on Noometry and Muse Spark 1.1 has 37.