Muse Spark 1.1 vs MiMo-V2.5-Pro
Updated October 21, 2026. 63 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.
Decision reading
Pick Muse Spark 1.1 for coding: it scores 48.9 on the Vibe Coding Index against 40.0 for MiMo-V2.5-Pro.
Pick MiMo-V2.5-Pro when output tokens cost 7.0x less, or when a solved task costs $0.03 against $0.43.
- Shared results
- 63
- Muse Spark 1.1 only
- 33
- MiMo-V2.5-Pro only
- 7
- Like-for-like categories
- 8 of 9
Shared results can support a head-to-head reading. Results only one model has describe coverage, not superiority.
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, four public coding benchmarks
Muse Spark 1.1
Muse Spark 1.1 scores 48.9 against 40.0.
One benchmark behind each score
Intelligence
AA Intelligence Index
Muse Spark 1.1
Muse Spark 1.1 leads, 33.7 against 26.0.
Same board, both measured
Agentic work
AA Agentic Index
Muse Spark 1.1
Muse Spark 1.1 leads, 25.8 against 21.3.
Same board, both measured
Reasoning
GPQA Diamond
Muse Spark 1.1
Muse Spark 1.1 leads, 91.2% against 82.6%.
Same board, both measured
Knowledge
MMLU Pro
Muse Spark 1.1
Muse Spark 1.1 leads, 88.7% against 84.6%.
Same board, both measured
Web design
Design Arena: websites
Muse Spark 1.1
Muse Spark 1.1 leads, 1270 against 1267.
Same board, both measured
Long documents
Listed context window
MiMo-V2.5-Pro
MiMo-V2.5-Pro takes 1.05M tokens against 1.05M.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
MiMo-V2.5-Pro
Muse Spark 1.1 $0.0034, MiMo-V2.5-Pro $0.0006 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
MiMo-V2.5-Pro
Muse Spark 1.1 $0.43, MiMo-V2.5-Pro $0.03.
Published attempt cost and pass rate
At a glance
- Coding index
- Muse Spark 1.1 48.9 from 1 benchmark, MiMo-V2.5-Pro 40.0 from 1 benchmark.
- Widest category
- Agentic work, 10.9 points apart on average over 4 shared benchmarks.
- Widest single gap
- Vibe Code Bench (Vals AI): Muse Spark 1.1 72.2% against MiMo-V2.5-Pro 34.1%, 38.0 points apart on a 0 to 100 scale.
- Output price
- Muse Spark 1.1 $4.25 against MiMo-V2.5-Pro $0.609 per million output tokens, 7.0x apart.
- Context window
- Muse Spark 1.1 takes 1.05M tokens, MiMo-V2.5-Pro 1.05M.
Benchmark by benchmark
First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.
| Category | Muse Spark 1.1 | Bars | MiMo-V2.5-Pro | Ties |
|---|---|---|---|---|
| Coding | 11 | 1 | ||
| Intelligence | 1 | 0 | ||
| Agentic work | 4 | 0 | ||
| Reasoning | 3 | 3 | ||
| Math | 2 | 1 | ||
| Knowledge | 8 | 0 | ||
| Web design | 8 | 0 | ||
| General | 15 | 6 | ||
| All shared boards | 52 | 11 |
CodingLike-for-likeFour of these boards feed the Vibe Coding Index111
| Benchmark | Muse Spark 1.1 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| LMArena WebDev | 1542 | 1480 | Muse Spark 1.1 |
| AA Coding Index | 71.3 | 60.2 | Muse Spark 1.1 |
| LiveCodeBench (Vals AI) | 85.9% | 81.3% | Muse Spark 1.1 |
| SWE-bench Verified (Vals AI) | 82.0% | 74.0% | Muse Spark 1.1 |
| Terminal-Bench 4 (Vals AI) | Not measured | 0.5% | Only MiMo-V2.5-Pro measured |
| Vibe Code Bench (Vals AI) | 72.2% | 34.1% | Muse Spark 1.1 |
| Code migration (Vals AI) | 31.1% | 21.6% | Muse Spark 1.1 |
| ProgramBench (Vals AI) | 0.0% | Not measured | Only Muse Spark 1.1 measured |
| Terminal-Bench 2.1 (Vals AI) | 69.3% | 57.3% | Muse Spark 1.1 |
| SkillsBench (Vals AI) | 59.2% | Not measured | Only Muse Spark 1.1 measured |
| SciCode | 58.8% | 50.6% | Muse Spark 1.1 |
| Terminal-Bench Hard (Artificial Analysis run) | Not measured | 43.2% | Only MiMo-V2.5-Pro measured |
| ALE-Bench | Not measured | 899.8 | Only MiMo-V2.5-Pro measured |
| LMArena Text: coding | 1498 | 1501 | MiMo-V2.5-Pro |
| LMArena Text: software and IT | 1498 | 1495 | Muse Spark 1.1 |
| LMArena WebDev: React | 1532 | 1469 | Muse Spark 1.1 |
| LMArena WebDev: HTML | 1540 | 1473 | Muse Spark 1.1 |
| LMArena WebDev: from an image | 1540 | Not measured | Only Muse Spark 1.1 measured |
| Neither model has a result on the other 20 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Muse Spark 1.1 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| AA Intelligence Index | 33.7 | 26.0 | Muse Spark 1.1 |
| Epoch Capabilities Index | 154.1 | Not measured | Only Muse Spark 1.1 measured |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index40
| Benchmark | Muse Spark 1.1 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| AA Agentic Index | 25.8 | 21.3 | Muse Spark 1.1 |
| Design Arena: agents building web apps | 1207 | Not measured | Only Muse Spark 1.1 measured |
| Design Arena: agents building full-stack apps | 1199 | Not measured | Only Muse Spark 1.1 measured |
| Design Arena: agents building mobile apps | 1177 | Not measured | Only Muse Spark 1.1 measured |
| Design Arena: agents building Android apps | 1184 | Not measured | Only Muse Spark 1.1 measured |
| Design Arena: agents building Godot games | 1103 | Not measured | Only Muse Spark 1.1 measured |
| Design Arena: agents building games | 1183 | Not measured | Only Muse Spark 1.1 measured |
| Design Arena: HTML slides | 1194 | Not measured | Only Muse Spark 1.1 measured |
| Design Arena: PowerPoint slides | 1156 | Not measured | Only Muse Spark 1.1 measured |
| Design Arena: spreadsheets | 974 | Not measured | Only Muse Spark 1.1 measured |
| Finance Agent (Vals AI) | 57.2% | 41.5% | Muse Spark 1.1 |
| Tax Agent Bench (Vals AI) | Not measured | 11.5% | Only MiMo-V2.5-Pro measured |
| Legal Research Bench (Vals AI) | 38.0% | 15.9% | Muse Spark 1.1 |
| Excel Modeling Benchmark (Vals AI) | 56.4% | 55.2% | Muse Spark 1.1 |
| Time Horizon Index (Vals AI) | 1.7% | Not measured | Only Muse Spark 1.1 measured |
| τ²-Bench Telecom | Not measured | 94.2% | Only MiMo-V2.5-Pro measured |
| APEX-Agents | 31.8% | Not measured | Only Muse Spark 1.1 measured |
| Vending-Bench 2 | $6,520 | Not measured | Only Muse Spark 1.1 measured |
| Neither model has a result on the other 21 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index33
| Benchmark | Muse Spark 1.1 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| GPQA Diamond | 91.2% | 82.6% | Muse Spark 1.1 |
| MMMU Pro (Vals AI) | 86.6% | Not measured | Only Muse Spark 1.1 measured |
| GPQA Diamond (Artificial Analysis run) | 89.8% | 86.6% | Muse Spark 1.1 |
| Humanity's Last Exam (Artificial Analysis run) | 46.2% | 35.7% | Muse Spark 1.1 |
| Chess puzzles | 34.0% | Not measured | Only Muse Spark 1.1 measured |
| LMArena Text: hard prompts | 1485 | 1486 | MiMo-V2.5-Pro |
| LMArena Text: expert | 1478 | 1501 | MiMo-V2.5-Pro |
| LMArena Text: hard prompts in English | 1480 | 1494 | MiMo-V2.5-Pro |
| LMArena Vision: diagrams | 1305 | Not measured | Only Muse Spark 1.1 measured |
| LMArena Vision: homework | 1287 | Not measured | Only Muse Spark 1.1 measured |
| Neither model has a result on the other 11 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index21
| Benchmark | Muse Spark 1.1 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| ProofBench | 39.0% | 22.0% | Muse Spark 1.1 |
| LMArena Text: math | 1482 | 1481 | Muse Spark 1.1 |
| LMArena Text: mathematical work | 1487 | 1491 | MiMo-V2.5-Pro |
| Neither model has a result on the other 10 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index80
| Benchmark | Muse Spark 1.1 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| MMLU Pro | 88.7% | 84.6% | Muse Spark 1.1 |
| LegalBench (Vals AI) | 85.0% | 77.1% | Muse Spark 1.1 |
| CorpFin (Vals AI) | 71.3% | 61.4% | Muse Spark 1.1 |
| TaxEval (Vals AI) | 79.7% | 73.8% | Muse Spark 1.1 |
| MortgageTax (Vals AI) | 66.1% | Not measured | Only Muse Spark 1.1 measured |
| MedCode (Vals AI) | Not measured | 32.5% | Only MiMo-V2.5-Pro measured |
| SimpleQA Verified | 57.8% | Not measured | Only Muse Spark 1.1 measured |
| LMArena Text: science | 1484 | 1482 | Muse Spark 1.1 |
| LMArena Text: medicine and healthcare | 1479 | 1473 | Muse Spark 1.1 |
| LMArena Text: legal and government | 1481 | 1474 | Muse Spark 1.1 |
| LMArena Text: business and finance | 1470 | 1466 | Muse Spark 1.1 |
| Neither model has a result on the other 6 boards here | |||
Web designLike-for-likePublic boards, shown as published, kept out of the index80
| Benchmark | Muse Spark 1.1 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| Design Arena: websites | 1270 | 1267 | Muse Spark 1.1 |
| Design Arena: UI components | 1290 | 1248 | Muse Spark 1.1 |
| Design Arena: game dev | 1269 | 1261 | Muse Spark 1.1 |
| Design Arena: data viz | 1268 | 1257 | Muse Spark 1.1 |
| Design Arena: 3D | 1260 | 1244 | Muse Spark 1.1 |
| Design Arena: all code categories | 1276 | 1266 | Muse Spark 1.1 |
| Design Arena: SVG | 1234 | 1181 | Muse Spark 1.1 |
| Design Arena: ASCII art | 1270 | 1157 | Muse Spark 1.1 |
| Neither model has a result on the other 1 board here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index156
| Benchmark | Muse Spark 1.1 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| Public Benefits Bench (Vals AI) | 61.3% | Not measured | Only Muse Spark 1.1 measured |
| SAGE (Vals AI) | 45.6% | Not measured | Only Muse Spark 1.1 measured |
| MedScribe (Vals AI) | 88.9% | 83.7% | Muse Spark 1.1 |
| Vals Multimodal Index | 66.7% | Not measured | Only Muse Spark 1.1 measured |
| IFBench | Not measured | 79.9% | Only MiMo-V2.5-Pro measured |
| Long context reasoning (AA-LCR) | 77.7% | 79.7% | MiMo-V2.5-Pro |
| DTBench | 94.4% | 84.5% | Muse Spark 1.1 |
| LMCA | 49.9% | 29.5% | Muse Spark 1.1 |
| Surface Evolver Bench | 52.5% | Not measured | Only Muse Spark 1.1 measured |
| LMArena Text | 1478 | 1464 | Muse Spark 1.1 |
| LMArena Text: instruction following | 1457 | 1475 | MiMo-V2.5-Pro |
| LMArena Text: creative writing | 1435 | 1438 | MiMo-V2.5-Pro |
| LMArena Vision | 1293 | Not measured | Only Muse Spark 1.1 measured |
| LMArena Text: English | 1478 | 1477 | Muse Spark 1.1 |
| LMArena Text: non-English | 1471 | 1448 | Muse Spark 1.1 |
| LMArena Text: Chinese | 1515 | 1507 | Muse Spark 1.1 |
| LMArena Text: German | 1469 | 1459 | Muse Spark 1.1 |
| LMArena Text: Japanese | 1450 | 1410 | Muse Spark 1.1 |
| LMArena Text: Korean | 1459 | 1435 | Muse Spark 1.1 |
| LMArena Text: French | 1492 | 1487 | Muse Spark 1.1 |
| LMArena Text: Spanish | 1464 | 1469 | MiMo-V2.5-Pro |
| LMArena Text: Russian | 1482 | 1449 | Muse Spark 1.1 |
| LMArena Text: Polish | 1499 | 1464 | Muse Spark 1.1 |
| LMArena Text: multi-turn | 1484 | 1476 | Muse Spark 1.1 |
| LMArena Text: longer queries | 1462 | 1481 | MiMo-V2.5-Pro |
| LMArena Text: writing and language | 1448 | 1451 | MiMo-V2.5-Pro |
| LMArena Text: entertainment and media | 1438 | 1438 | Muse Spark 1.1 |
| LMArena Vision: English | 1292 | Not measured | Only Muse Spark 1.1 measured |
| LMArena Vision: Chinese | 1348 | Not measured | Only Muse Spark 1.1 measured |
| LMArena Vision: reading text | 1301 | Not measured | Only Muse Spark 1.1 measured |
| LMArena Vision: humor | 1288 | Not measured | Only Muse Spark 1.1 measured |
| LMArena Vision: creative writing | 1253 | Not measured | Only Muse Spark 1.1 measured |
| LMArena Document | 1465 | Not measured | Only Muse Spark 1.1 measured |
| Neither model has a result on the other 13 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Muse Spark 1.1 | MiMo-V2.5-Pro | Leader |
|---|---|---|---|
| Neither model has a result on 5 boards here | |||
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
MiMo-V2.5-Pro costs less
Repository review
50K input + 3K output tokens
MiMo-V2.5-Pro costs less
Agent loop
200K input + 10K output tokens
MiMo-V2.5-Pro costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | Meta Muse Spark 1.1 | Xiaomi MiMo-V2.5-Pro |
|---|---|---|
| Maker | Meta | Xiaomi |
| Weights | No public weights listed | Open weights |
| Released | July 16, 2026 | April 22, 2026 |
| Context window | 1.05M | 1.05M |
| Input $/Mtok | $1.25 | $0.3045 |
| Output $/Mtok | $4.25 | $0.609 |
| Coding index | 48.9 | 40.0 |
| Independent measurements behind it | 1 | 1 |
| Cost per solved task | $0.43 | $0.03 |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Muse Spark 1.1 better than MiMo-V2.5-Pro for coding?
Pick Muse Spark 1.1 for coding: it scores 48.9 on the Vibe Coding Index against 40.0 for MiMo-V2.5-Pro. Pick MiMo-V2.5-Pro when output tokens cost 7.0x less, or when a solved task costs $0.03 against $0.43.
Which is cheaper, Muse Spark 1.1 or MiMo-V2.5-Pro?
Muse Spark 1.1 costs $1.25 per million input tokens and $4.25 per million output tokens; MiMo-V2.5-Pro costs $0.3045 and $0.609. Per solved SWE-bench Verified task, Muse Spark 1.1 costs $0.43 and MiMo-V2.5-Pro $0.03.
Which has the bigger context window, Muse Spark 1.1 or MiMo-V2.5-Pro?
MiMo-V2.5-Pro, with 1.05M tokens against 1.05M.
How many benchmarks is the Muse Spark 1.1 vs MiMo-V2.5-Pro comparison based on?
63 benchmarks have a result for both models as of October 21, 2026. Muse Spark 1.1's coding index rests on 1 independent benchmark and MiMo-V2.5-Pro's on 1. Where only one model has a result, the page says so instead of naming a winner.