Muse Spark 1.3 vs MiniMax M3.1 Flash
MiniMax M3.1 Flash leads Muse Spark 1.3 on coding, 59.1 to 57.4 on the Vibe Coding Index, and MiniMax M3.1 Flash costs 7.1x less per output token ($0.60 vs $4.25 per million). Updated October 23, 2026; 18 benchmarks have a result for both.
Muse Spark 1.3 or MiniMax M3.1 Flash: which to pick
Muse Spark 1.3 and MiniMax M3.1 Flash are level for coding, 57.4 against 59.1 on the Vibe Coding Index, so price and context decide.
Pick Muse Spark 1.3 for work measured by LiveBench coding or LMArena WebDev, where it leads. Pick MiniMax M3.1 Flash for output tokens 7.1x cheaper ($0.60 vs $4.25 per million) and work measured by Terminal-Bench 4 (Vals AI) or LiveBench research, where it leads.
- Shared results
- 18
- Muse Spark 1.3 only
- 78
- MiniMax M3.1 Flash only
- 2
- Like-for-like categories
- 6 of 9
Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.
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, six public coding benchmarks
No call
Level: 57.4 against 59.1, inside 2 points.
4 benchmarks behind each score
Intelligence
AA Intelligence Index
Muse Spark 1.3
Muse Spark 1.3 leads, 48.1 against 42.7.
Same board, both measured
Agentic work
AA Agentic Index
No call
Only Muse Spark 1.3 has a AA Agentic Index result, 55.5.
Directional only
Web design
Design Arena: websites
No call
Only Muse Spark 1.3 has a Design Arena: websites result, 1356.
Directional only
General
Vals Index
No call
Only MiniMax M3.1 Flash has a Vals Index result, 53.8%.
Directional only
Long documents
Listed context window
No call
Both take 1.05M tokens.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
MiniMax M3.1 Flash
Muse Spark 1.3 $0.0034, MiniMax M3.1 Flash $0.0004 per turn.
List prices
At a glance
- Coding index
- Muse Spark 1.3 57.4 from 4 benchmarks, MiniMax M3.1 Flash 59.1 from 4 benchmarks.
- Widest category
- Coding, 8.9 points apart on average over 7 shared benchmarks.
- Widest single gap
- Terminal-Bench 4 (Vals AI): Muse Spark 1.3 10.6% against MiniMax M3.1 Flash 25.3%, 19.5 points apart on a 0 to 100 scale.
- Output price
- Muse Spark 1.3 $4.25 against MiniMax M3.1 Flash $0.60 per million output tokens, 7.1x apart.
- Context window
- Both take 1.05M tokens.
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 1.3 | Bars | MiniMax M3.1 Flash | Ties |
|---|---|---|---|---|
| Coding | 6 | 1 | ||
| Intelligence | 1 | 0 | ||
| Agentic work | 3 | 2 | ||
| Reasoning | 2 | 0 | ||
| Web design | 1 | 0 | ||
| General | 2 | 0 | ||
| All shared boards | 15 | 3 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index61
| Benchmark | Muse Spark 1.3 | MiniMax M3.1 Flash | Leader |
|---|---|---|---|
| LiveBench coding | 90.2% | 83.9% | Muse Spark 1.3 |
| LMArena WebDev | 1657 | 1590 | Muse Spark 1.3 |
| AA Coding Index | 75.8 | Not measured | Only Muse Spark 1.3 measured |
| Terminal-Bench 4 (Vals AI) | 10.6% | 25.3% | MiniMax M3.1 Flash |
| Vibe Code Bench (Vals AI) | 82.9% | 73.9% | Muse Spark 1.3 |
| Code migration (Vals AI) | 27.6% | Not measured | Only Muse Spark 1.3 measured |
| ProgramBench (Vals AI) | 0.5% | Not measured | Only Muse Spark 1.3 measured |
| IOI (Vals AI) | 43.9% | Not measured | Only Muse Spark 1.3 measured |
| Terminal-Bench 2.1 (Vals AI) | 72.3% | Not measured | Only Muse Spark 1.3 measured |
| CyberBench (Vals AI) | 69.4% | Not measured | Only Muse Spark 1.3 measured |
| SciCode | 59.7% | 53.4% | Muse Spark 1.3 |
| FrontierSWE | 25.8% | Not measured | Only Muse Spark 1.3 measured |
| ALE-Bench | 1688.3 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: coding | 1511 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: software and IT | 1511 | Not measured | Only Muse Spark 1.3 measured |
| LMArena WebDev: React | 1671 | 1614 | Muse Spark 1.3 |
| LMArena WebDev: HTML | 1653 | 1532 | Muse Spark 1.3 |
| LMArena WebDev: from an image | 1640 | Not measured | Only Muse Spark 1.3 measured |
| Neither model has a result on the other 25 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Muse Spark 1.3 | MiniMax M3.1 Flash | Leader |
|---|---|---|---|
| AA Intelligence Index | 48.1 | 42.7 | Muse Spark 1.3 |
| Epoch Capabilities Index | 157.2 | Not measured | Only Muse Spark 1.3 measured |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index32
| Benchmark | Muse Spark 1.3 | MiniMax M3.1 Flash | Leader |
|---|---|---|---|
| AA Agentic Index | 55.5 | Not measured | Only Muse Spark 1.3 measured |
| Design Arena: agents building web apps | 1297 | Not measured | Only Muse Spark 1.3 measured |
| Design Arena: agents building full-stack apps | 1295 | Not measured | Only Muse Spark 1.3 measured |
| Design Arena: agents building mobile apps | 1218 | Not measured | Only Muse Spark 1.3 measured |
| Design Arena: agents building Godot games | 1241 | Not measured | Only Muse Spark 1.3 measured |
| Design Arena: PowerPoint slides | 1210 | Not measured | Only Muse Spark 1.3 measured |
| Design Arena: spreadsheets | 1075 | Not measured | Only Muse Spark 1.3 measured |
| LiveBench research | 68.6% | 72.7% | MiniMax M3.1 Flash |
| LiveBench browser | 80.0% | 92.0% | MiniMax M3.1 Flash |
| LiveBench long agentic | 40.4% | 34.7% | Muse Spark 1.3 |
| Finance Agent (Vals AI) | 58.9% | Not measured | Only Muse Spark 1.3 measured |
| Tax Agent Bench (Vals AI) | 36.0% | 32.1% | Muse Spark 1.3 |
| Legal Research Bench (Vals AI) | 40.9% | 34.1% | Muse Spark 1.3 |
| Harvey's Legal Agent Benchmark (Vals AI) | Not measured | 7.5% | Only MiniMax M3.1 Flash measured |
| Excel Modeling Benchmark (Vals AI) | 62.7% | Not measured | Only Muse Spark 1.3 measured |
| Terminal-Bench-Science (Vals AI) | 4.3% | Not measured | Only Muse Spark 1.3 measured |
| APEX-Agents | 58.6% | Not measured | Only Muse Spark 1.3 measured |
| Neither model has a result on the other 25 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | Muse Spark 1.3 | MiniMax M3.1 Flash | Leader |
|---|---|---|---|
| LiveBench reasoning | 89.7% | 82.9% | Muse Spark 1.3 |
| GPQA Diamond (Artificial Analysis run) | 94.1% | Not measured | Only Muse Spark 1.3 measured |
| Humanity's Last Exam (Artificial Analysis run) | 48.7% | 48.0% | Muse Spark 1.3 |
| Chess puzzles | 37.0% | Not measured | Only Muse Spark 1.3 measured |
| Mystery game puzzles | 25.0% | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: hard prompts | 1504 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: expert | 1515 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: hard prompts in English | 1501 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Vision: diagrams | 1330 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Vision: homework | 1296 | Not measured | Only Muse Spark 1.3 measured |
| Humanity's Last Exam (Scale run) | 25.4% | Not measured | Only Muse Spark 1.3 measured |
| Neither model has a result on the other 12 boards here | |||
MathDirectional onlyPublic boards, shown as published, kept out of the index7 boards, none shared
| Benchmark | Muse Spark 1.3 | MiniMax M3.1 Flash | Leader |
|---|---|---|---|
| OTIS Mock AIME | 99.2% | Not measured | Only Muse Spark 1.3 measured |
| FrontierMath, tiers 1 to 3 | 74.4% | Not measured | Only Muse Spark 1.3 measured |
| FrontierMath, tier 4 | 46.3% | Not measured | Only Muse Spark 1.3 measured |
| ProofBench | 58.0% | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: math | 1502 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: mathematical work | 1493 | Not measured | Only Muse Spark 1.3 measured |
| MathArena | 43.0% | Not measured | Only Muse Spark 1.3 measured |
| Neither model has a result on the other 7 boards here | |||
KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index6 boards, none shared
| Benchmark | Muse Spark 1.3 | MiniMax M3.1 Flash | Leader |
|---|---|---|---|
| LMArena Text: science | 1506 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: medicine and healthcare | 1493 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: legal and government | 1499 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: business and finance | 1489 | Not measured | Only Muse Spark 1.3 measured |
| PRBench Finance | 59.5% | Not measured | Only Muse Spark 1.3 measured |
| PRBench Legal | 61.6% | Not measured | Only Muse Spark 1.3 measured |
| Neither model has a result on the other 14 boards here | |||
Web designLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Muse Spark 1.3 | MiniMax M3.1 Flash | Leader |
|---|---|---|---|
| Design Arena: websites | 1356 | Not measured | Only Muse Spark 1.3 measured |
| Design Arena: UI components | 1350 | Not measured | Only Muse Spark 1.3 measured |
| Design Arena: game dev | 1328 | Not measured | Only Muse Spark 1.3 measured |
| Design Arena: data viz | 1343 | Not measured | Only Muse Spark 1.3 measured |
| Design Arena: 3D | 1364 | Not measured | Only Muse Spark 1.3 measured |
| Design Arena: all code categories | 1351 | Not measured | Only Muse Spark 1.3 measured |
| Design Arena: SVG | 1301 | Not measured | Only Muse Spark 1.3 measured |
| Design Arena: ASCII art | 1279 | Not measured | Only Muse Spark 1.3 measured |
| LiveBench design | 74.8% | 74.0% | Muse Spark 1.3 |
GeneralLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | Muse Spark 1.3 | MiniMax M3.1 Flash | Leader |
|---|---|---|---|
| Vals Index | Not measured | 53.8% | Only MiniMax M3.1 Flash measured |
| LiveBench data analysis | 79.6% | 71.4% | Muse Spark 1.3 |
| Long context reasoning (AA-LCR) | 83.0% | 79.7% | Muse Spark 1.3 |
| DTBench | 96.5% | Not measured | Only Muse Spark 1.3 measured |
| LMCA | 53.9% | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text | 1491 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: instruction following | 1479 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: creative writing | 1462 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Vision | 1308 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: English | 1496 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: non-English | 1482 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: Chinese | 1529 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: German | 1513 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: Japanese | 1465 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: Korean | 1494 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: French | 1516 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: Spanish | 1493 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: Russian | 1494 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: Polish | 1487 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: multi-turn | 1489 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: longer queries | 1489 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: writing and language | 1470 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Text: entertainment and media | 1458 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Vision: English | 1298 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Vision: Chinese | 1384 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Vision: reading text | 1319 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Vision: humor | 1293 | Not measured | Only Muse Spark 1.3 measured |
| LMArena Vision: creative writing | 1296 | Not measured | Only Muse Spark 1.3 measured |
| Neither model has a result on the other 20 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Muse Spark 1.3 | MiniMax M3.1 Flash | 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
MiniMax M3.1 Flash costs less
Repository review
50K input + 3K output tokens
MiniMax M3.1 Flash costs less
Agent loop
200K input + 10K output tokens
MiniMax M3.1 Flash 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 1.3 | MiniMax M3.1 Flash |
|---|---|---|
| Maker | Meta | MiniMax |
| Weights | No public weights listed | Open weights |
| Released | September 2, 2026 | October 19, 2026 |
| Context window | 1.05M | 1.05M |
| Input $/Mtok | $1.25 | $0.15 |
| Output $/Mtok | $4.25 | $0.60 |
| Coding index | 57.4 | 59.1 |
| Independent measurements behind it | 4 | 4 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Muse Spark 1.3 better than MiniMax M3.1 Flash for coding?
Muse Spark 1.3 and MiniMax M3.1 Flash are level for coding, 57.4 against 59.1 on the Vibe Coding Index, so price and context decide. Pick Muse Spark 1.3 for work measured by LiveBench coding or LMArena WebDev, where it leads. Pick MiniMax M3.1 Flash for output tokens 7.1x cheaper ($0.60 vs $4.25 per million) and work measured by Terminal-Bench 4 (Vals AI) or LiveBench research, where it leads.
Which is cheaper, Muse Spark 1.3 or MiniMax M3.1 Flash?
Muse Spark 1.3 costs $1.25 per million input tokens and $4.25 per million output tokens; MiniMax M3.1 Flash costs $0.15 and $0.60. Cost per solved task is known for neither of them.
Which has the bigger context window, Muse Spark 1.3 or MiniMax M3.1 Flash?
Neither: both take 1.05M tokens.
How many benchmarks is the Muse Spark 1.3 vs MiniMax M3.1 Flash comparison based on?
18 benchmarks have a result for both models as of October 23, 2026. Muse Spark 1.3's coding index rests on 4 independent benchmarks and MiniMax M3.1 Flash's on 4. Where only one model has a result, the page says so instead of naming a winner.