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Muse Spark 1.3 vs MiMo-V2.5-Pro

Updated October 21, 2026. 58 benchmarks have a result for both. Coding is ranked on the Vibe Coding Index; every other board is shown as published.

Replace Muse Spark 1.3 Replace MiMo-V2.5-Pro
Muse Spark 1.3Meta
Coding
79.7
Overall
48.1
Output $/M
$4.25
58
MiMo-V2.5-ProXiaomi
Coding
40.0
Overall
26.0
Output $/M
$0.609
0
vs boards won of 58 shared

Decision reading

Pick Muse Spark 1.3 for coding: it scores 79.7 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 the context window is larger, 1.05M against 1.05M tokens.

Model AMuse Spark 1.3Meta79.7/1002 independent benchmarksNo cost per solved taskModel BMiMo-V2.5-ProXiaomi40.0/1001 independent benchmark$0.03 per solved task
Shared results
58
Muse Spark 1.3 only
34
MiMo-V2.5-Pro only
12
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.

At a glance

Coding index
Muse Spark 1.3 79.7 from 2 benchmarks, MiMo-V2.5-Pro 40.0 from 1 benchmark.
Widest category
Intelligence, 22.1 points apart on average over 1 shared benchmark.
Widest single gap
Vibe Code Bench (Vals AI): Muse Spark 1.3 82.9% against MiMo-V2.5-Pro 34.1%, 48.8 points apart on a 0 to 100 scale.
Output price
Muse Spark 1.3 $4.25 against MiMo-V2.5-Pro $0.609 per million output tokens, 7.0x apart.
Context window
Muse Spark 1.3 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.

Boards won, where both have a result
CategoryMuse Spark 1.3BarsMiMo-V2.5-ProTies
Coding120
Intelligence10
Agentic work50
Reasoning50
Math30
Knowledge40
Web design80
General200
All shared boards580
CodingLike-for-likeFour of these boards feed the Vibe Coding Index120
Coding benchmarks for Muse Spark 1.3 and MiMo-V2.5-Pro
BenchmarkMuse Spark 1.3MiMo-V2.5-ProLeader
LiveBench coding90.2%Not measuredOnly Muse Spark 1.3 measured
LMArena WebDev16591480Muse Spark 1.3
AA Coding Index75.860.2Muse Spark 1.3
LiveCodeBench (Vals AI)Not measured81.3%Only MiMo-V2.5-Pro measured
SWE-bench Verified (Vals AI)Not measured74.0%Only MiMo-V2.5-Pro measured
Terminal-Bench 4 (Vals AI)10.6%0.5%Muse Spark 1.3
Vibe Code Bench (Vals AI)82.9%34.1%Muse Spark 1.3
Code migration (Vals AI)27.6%21.6%Muse Spark 1.3
ProgramBench (Vals AI)0.5%Not measuredOnly Muse Spark 1.3 measured
IOI (Vals AI)43.9%Not measuredOnly Muse Spark 1.3 measured
Terminal-Bench 2.1 (Vals AI)72.3%57.3%Muse Spark 1.3
CyberBench (Vals AI)69.4%Not measuredOnly Muse Spark 1.3 measured
SciCode59.7%50.6%Muse Spark 1.3
Terminal-Bench Hard (Artificial Analysis run)Not measured43.2%Only MiMo-V2.5-Pro measured
FrontierSWE25.8%Not measuredOnly Muse Spark 1.3 measured
ALE-Bench1688.3899.8Muse Spark 1.3
LMArena Text: coding15101501Muse Spark 1.3
LMArena Text: software and IT15111495Muse Spark 1.3
LMArena WebDev: React16721469Muse Spark 1.3
LMArena WebDev: HTML16531473Muse Spark 1.3
LMArena WebDev: from an image1640Not measuredOnly Muse Spark 1.3 measured
Neither model has a result on the other 17 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for Muse Spark 1.3 and MiMo-V2.5-Pro
BenchmarkMuse Spark 1.3MiMo-V2.5-ProLeader
AA Intelligence Index48.126.0Muse Spark 1.3
Epoch Capabilities Index157.2Not measuredOnly Muse Spark 1.3 measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index50
Agentic work benchmarks for Muse Spark 1.3 and MiMo-V2.5-Pro
BenchmarkMuse Spark 1.3MiMo-V2.5-ProLeader
AA Agentic Index55.521.3Muse Spark 1.3
Design Arena: agents building web apps1297Not measuredOnly Muse Spark 1.3 measured
Design Arena: agents building full-stack apps1295Not measuredOnly Muse Spark 1.3 measured
Design Arena: agents building mobile apps1217Not measuredOnly Muse Spark 1.3 measured
Design Arena: agents building Godot games1241Not measuredOnly Muse Spark 1.3 measured
Design Arena: PowerPoint slides1244Not measuredOnly Muse Spark 1.3 measured
Design Arena: spreadsheets1048Not measuredOnly Muse Spark 1.3 measured
LiveBench research68.6%Not measuredOnly Muse Spark 1.3 measured
LiveBench browser80.0%Not measuredOnly Muse Spark 1.3 measured
LiveBench long agentic40.4%Not measuredOnly Muse Spark 1.3 measured
Finance Agent (Vals AI)58.9%41.5%Muse Spark 1.3
Tax Agent Bench (Vals AI)36.0%11.5%Muse Spark 1.3
Legal Research Bench (Vals AI)40.9%15.9%Muse Spark 1.3
Excel Modeling Benchmark (Vals AI)62.7%55.2%Muse Spark 1.3
Terminal-Bench-Science (Vals AI)4.3%Not measuredOnly Muse Spark 1.3 measured
τ²-Bench TelecomNot measured94.2%Only MiMo-V2.5-Pro measured
APEX-Agents58.6%Not measuredOnly Muse Spark 1.3 measured
Neither model has a result on the other 22 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index50
Reasoning benchmarks for Muse Spark 1.3 and MiMo-V2.5-Pro
BenchmarkMuse Spark 1.3MiMo-V2.5-ProLeader
GPQA DiamondNot measured82.6%Only MiMo-V2.5-Pro measured
LiveBench reasoning89.7%Not measuredOnly Muse Spark 1.3 measured
GPQA Diamond (Artificial Analysis run)94.1%86.6%Muse Spark 1.3
Humanity's Last Exam (Artificial Analysis run)48.7%35.7%Muse Spark 1.3
Chess puzzles37.0%Not measuredOnly Muse Spark 1.3 measured
Mystery game puzzles25.0%Not measuredOnly Muse Spark 1.3 measured
LMArena Text: hard prompts15031486Muse Spark 1.3
LMArena Text: expert15191501Muse Spark 1.3
LMArena Text: hard prompts in English15001494Muse Spark 1.3
LMArena Vision: diagrams1330Not measuredOnly Muse Spark 1.3 measured
LMArena Vision: homework1296Not measuredOnly Muse Spark 1.3 measured
Neither model has a result on the other 10 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index30
Math benchmarks for Muse Spark 1.3 and MiMo-V2.5-Pro
BenchmarkMuse Spark 1.3MiMo-V2.5-ProLeader
OTIS Mock AIME99.2%Not measuredOnly Muse Spark 1.3 measured
FrontierMath, tiers 1 to 374.4%Not measuredOnly Muse Spark 1.3 measured
FrontierMath, tier 446.3%Not measuredOnly Muse Spark 1.3 measured
ProofBench58.0%22.0%Muse Spark 1.3
LMArena Text: math14971481Muse Spark 1.3
LMArena Text: mathematical work14911491Muse Spark 1.3
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
Knowledge benchmarks for Muse Spark 1.3 and MiMo-V2.5-Pro
BenchmarkMuse Spark 1.3MiMo-V2.5-ProLeader
MMLU ProNot measured84.6%Only MiMo-V2.5-Pro measured
LegalBench (Vals AI)Not measured77.1%Only MiMo-V2.5-Pro measured
CorpFin (Vals AI)Not measured61.4%Only MiMo-V2.5-Pro measured
TaxEval (Vals AI)Not measured73.8%Only MiMo-V2.5-Pro measured
MedCode (Vals AI)Not measured32.5%Only MiMo-V2.5-Pro measured
LMArena Text: science15071482Muse Spark 1.3
LMArena Text: medicine and healthcare14931473Muse Spark 1.3
LMArena Text: legal and government14991474Muse Spark 1.3
LMArena Text: business and finance14901466Muse Spark 1.3
Neither model has a result on the other 8 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index80
Web design benchmarks for Muse Spark 1.3 and MiMo-V2.5-Pro
BenchmarkMuse Spark 1.3MiMo-V2.5-ProLeader
Design Arena: websites13561267Muse Spark 1.3
Design Arena: UI components13521248Muse Spark 1.3
Design Arena: game dev13291261Muse Spark 1.3
Design Arena: data viz13431257Muse Spark 1.3
Design Arena: 3D13591244Muse Spark 1.3
Design Arena: all code categories13531266Muse Spark 1.3
Design Arena: SVG13001181Muse Spark 1.3
Design Arena: ASCII art12801157Muse Spark 1.3
LiveBench design74.8%Not measuredOnly Muse Spark 1.3 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index200
General benchmarks for Muse Spark 1.3 and MiMo-V2.5-Pro
BenchmarkMuse Spark 1.3MiMo-V2.5-ProLeader
LiveBench data analysis79.6%Not measuredOnly Muse Spark 1.3 measured
MedScribe (Vals AI)Not measured83.7%Only MiMo-V2.5-Pro measured
IFBenchNot measured79.9%Only MiMo-V2.5-Pro measured
Long context reasoning (AA-LCR)83.0%79.7%Muse Spark 1.3
DTBench96.5%84.5%Muse Spark 1.3
LMCA53.9%29.5%Muse Spark 1.3
LMArena Text14901464Muse Spark 1.3
LMArena Text: instruction following14791475Muse Spark 1.3
LMArena Text: creative writing14621438Muse Spark 1.3
LMArena Vision1308Not measuredOnly Muse Spark 1.3 measured
LMArena Text: English14951477Muse Spark 1.3
LMArena Text: non-English14811448Muse Spark 1.3
LMArena Text: Chinese15321507Muse Spark 1.3
LMArena Text: German15131459Muse Spark 1.3
LMArena Text: Japanese14701410Muse Spark 1.3
LMArena Text: Korean14901435Muse Spark 1.3
LMArena Text: French15111487Muse Spark 1.3
LMArena Text: Spanish14961469Muse Spark 1.3
LMArena Text: Russian14911449Muse Spark 1.3
LMArena Text: Polish14901464Muse Spark 1.3
LMArena Text: multi-turn14871476Muse Spark 1.3
LMArena Text: longer queries14881481Muse Spark 1.3
LMArena Text: writing and language14701451Muse Spark 1.3
LMArena Text: entertainment and media14571438Muse Spark 1.3
LMArena Vision: English1298Not measuredOnly Muse Spark 1.3 measured
LMArena Vision: Chinese1384Not measuredOnly Muse Spark 1.3 measured
LMArena Vision: reading text1319Not measuredOnly Muse Spark 1.3 measured
LMArena Vision: humor1293Not measuredOnly Muse Spark 1.3 measured
LMArena Vision: creative writing1296Not measuredOnly Muse Spark 1.3 measured
Neither model has a result on the other 17 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Muse Spark 1.3 and MiMo-V2.5-Pro
BenchmarkMuse Spark 1.3MiMo-V2.5-ProLeader
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

Muse Spark 1.3$0.0034Fits in one request
MiMo-V2.5-Pro$0.0006Fits in one request

MiMo-V2.5-Pro costs less

Repository review

50K input + 3K output tokens

Muse Spark 1.3$0.075Fits in one request
MiMo-V2.5-Pro$0.017Fits in one request

MiMo-V2.5-Pro costs less

Agent loop

200K input + 10K output tokens

Muse Spark 1.3$0.292Fits in one request
MiMo-V2.5-Pro$0.067Fits in one request

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.

Specifications of Muse Spark 1.3 and MiMo-V2.5-Pro
SpecificationMeta Muse Spark 1.3Xiaomi MiMo-V2.5-Pro
MakerMetaXiaomi
WeightsNo public weights listedOpen weights
ReleasedSeptember 2, 2026April 22, 2026
Context window1.05M1.05M
Input $/Mtok$1.25$0.3045
Output $/Mtok$4.25$0.609
Coding index79.740.0
Independent measurements behind it21
Cost per solved taskNot computable$0.03
SourceOpenRouter listingOpenRouter listing

Questions

Is Muse Spark 1.3 better than MiMo-V2.5-Pro for coding?

Pick Muse Spark 1.3 for coding: it scores 79.7 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 the context window is larger, 1.05M against 1.05M tokens.

Which is cheaper, Muse Spark 1.3 or MiMo-V2.5-Pro?

Muse Spark 1.3 costs $1.25 per million input tokens and $4.25 per million output tokens; MiMo-V2.5-Pro costs $0.3045 and $0.609. Cost per solved task is known for MiMo-V2.5-Pro only.

Which has the bigger context window, Muse Spark 1.3 or MiMo-V2.5-Pro?

MiMo-V2.5-Pro, with 1.05M tokens against 1.05M.

How many benchmarks is the Muse Spark 1.3 vs MiMo-V2.5-Pro comparison based on?

58 benchmarks have a result for both models as of October 21, 2026. Muse Spark 1.3's coding index rests on 2 independent benchmarks and MiMo-V2.5-Pro's on 1. Where only one model has a result, the page says so instead of naming a winner.

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