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Muse Spark 1.3 vs MiMo-V2.6-Flash

Updated October 21, 2026. 56 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-V2.6-Flash
Muse Spark 1.3Meta
Coding
79.7
Overall
48.1
Output $/M
$4.25
47
MiMo-V2.6-FlashXiaomi
Coding
61.9
Overall
37.9
Output $/M
$0.28
7
vs boards won of 56 shared, 2 tied

Decision reading

Pick Muse Spark 1.3 for coding: it scores 79.7 on the Vibe Coding Index against 61.9 for MiMo-V2.6-Flash.

Pick MiMo-V2.6-Flash when output tokens cost 15.2x 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-V2.6-FlashXiaomi61.9/1001 independent benchmarkNo cost per solved task
Shared results
56
Muse Spark 1.3 only
36
MiMo-V2.6-Flash only
10
Like-for-like categories
7 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-V2.6-Flash 61.9 from 1 benchmark.
Widest category
Intelligence, 10.2 points apart on average over 1 shared benchmark.
Widest single gap
LMArena Text: Japanese: Muse Spark 1.3 1470 against MiMo-V2.6-Flash 1359, 18.4 points apart on a 0 to 100 scale.
Output price
Muse Spark 1.3 $4.25 against MiMo-V2.6-Flash $0.28 per million output tokens, 15.2x apart.
Context window
Muse Spark 1.3 takes 1.05M tokens, MiMo-V2.6-Flash 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-V2.6-FlashTies
Coding951 tie
Intelligence10
Agentic work311 tie
Reasoning60
Math21
Knowledge40
General220
All shared boards4772 ties
CodingLike-for-likeFour of these boards feed the Vibe Coding Index95
Coding benchmarks for Muse Spark 1.3 and MiMo-V2.6-Flash
BenchmarkMuse Spark 1.3MiMo-V2.6-FlashLeader
LiveBench coding90.2%Not measuredOnly Muse Spark 1.3 measured
LMArena WebDev16591634Muse Spark 1.3
AA Coding Index75.8Not measuredOnly Muse Spark 1.3 measured
Terminal-Bench 4 (Vals AI)10.6%24.2%MiMo-V2.6-Flash
Vibe Code Bench (Vals AI)82.9%79.0%Muse Spark 1.3
Code migration (Vals AI)27.6%40.9%MiMo-V2.6-Flash
ProgramBench (Vals AI)0.5%0.5%Tie
IOI (Vals AI)43.9%47.7%MiMo-V2.6-Flash
Terminal-Bench 2.1 (Vals AI)72.3%76.4%MiMo-V2.6-Flash
CyberBench (Vals AI)69.4%75.4%MiMo-V2.6-Flash
SciCode59.7%51.3%Muse Spark 1.3
FrontierSWE25.8%Not measuredOnly Muse Spark 1.3 measured
ALE-Bench1688.31244.2Muse Spark 1.3
LMArena Text: coding15101499Muse Spark 1.3
LMArena Text: software and IT15111497Muse Spark 1.3
LMArena WebDev: React16721648Muse Spark 1.3
LMArena WebDev: HTML16531641Muse Spark 1.3
LMArena WebDev: from an image16401596Muse Spark 1.3
Neither model has a result on the other 20 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for Muse Spark 1.3 and MiMo-V2.6-Flash
BenchmarkMuse Spark 1.3MiMo-V2.6-FlashLeader
AA Intelligence Index48.137.9Muse 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 index31
Agentic work benchmarks for Muse Spark 1.3 and MiMo-V2.6-Flash
BenchmarkMuse Spark 1.3MiMo-V2.6-FlashLeader
AA Agentic Index55.5Not measuredOnly Muse Spark 1.3 measured
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
SREBench (Vals AI)Not measured4.2%Only MiMo-V2.6-Flash measured
Finance Agent (Vals AI)58.9%56.3%Muse Spark 1.3
Tax Agent Bench (Vals AI)36.0%28.5%Muse Spark 1.3
Legal Research Bench (Vals AI)40.9%38.0%Muse Spark 1.3
Harvey's Legal Agent Benchmark (Vals AI)Not measured13.3%Only MiMo-V2.6-Flash measured
Excel Modeling Benchmark (Vals AI)62.7%65.5%MiMo-V2.6-Flash
BioMysteryBench (Vals AI)Not measured69.3%Only MiMo-V2.6-Flash measured
Terminal-Bench-Science (Vals AI)4.3%4.3%Tie
Vals Science IndexNot measured31.7%Only MiMo-V2.6-Flash measured
APEX-Agents58.6%Not measuredOnly Muse Spark 1.3 measured
Neither model has a result on the other 19 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index60
Reasoning benchmarks for Muse Spark 1.3 and MiMo-V2.6-Flash
BenchmarkMuse Spark 1.3MiMo-V2.6-FlashLeader
LiveBench reasoning89.7%Not measuredOnly Muse Spark 1.3 measured
MysteryMechanism (Vals AI)Not measured21.6%Only MiMo-V2.6-Flash measured
GPQA Diamond (Artificial Analysis run)94.1%Not measuredOnly Muse Spark 1.3 measured
Humanity's Last Exam (Artificial Analysis run)48.7%35.1%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 prompts15031475Muse Spark 1.3
LMArena Text: expert15191496Muse Spark 1.3
LMArena Text: hard prompts in English15001493Muse Spark 1.3
LMArena Vision: diagrams13301276Muse Spark 1.3
LMArena Vision: homework12961283Muse Spark 1.3
Neither model has a result on the other 10 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index21
Math benchmarks for Muse Spark 1.3 and MiMo-V2.6-Flash
BenchmarkMuse Spark 1.3MiMo-V2.6-FlashLeader
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%63.0%MiMo-V2.6-Flash
LMArena Text: math14971476Muse Spark 1.3
LMArena Text: mathematical work14911478Muse 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-V2.6-Flash
BenchmarkMuse Spark 1.3MiMo-V2.6-FlashLeader
MedCode (Vals AI)Not measured41.1%Only MiMo-V2.6-Flash measured
LMArena Text: science15071462Muse Spark 1.3
LMArena Text: medicine and healthcare14931439Muse Spark 1.3
LMArena Text: legal and government14991441Muse Spark 1.3
LMArena Text: business and finance14901454Muse Spark 1.3
Neither model has a result on the other 12 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index9 boards, none shared
Web design benchmarks for Muse Spark 1.3 and MiMo-V2.6-Flash
BenchmarkMuse Spark 1.3MiMo-V2.6-FlashLeader
Design Arena: websites1356Not measuredOnly Muse Spark 1.3 measured
Design Arena: UI components1352Not measuredOnly Muse Spark 1.3 measured
Design Arena: game dev1329Not measuredOnly Muse Spark 1.3 measured
Design Arena: data viz1343Not measuredOnly Muse Spark 1.3 measured
Design Arena: 3D1359Not measuredOnly Muse Spark 1.3 measured
Design Arena: all code categories1353Not measuredOnly Muse Spark 1.3 measured
Design Arena: SVG1300Not measuredOnly Muse Spark 1.3 measured
Design Arena: ASCII art1280Not measuredOnly Muse Spark 1.3 measured
LiveBench design74.8%Not measuredOnly Muse Spark 1.3 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index220
General benchmarks for Muse Spark 1.3 and MiMo-V2.6-Flash
BenchmarkMuse Spark 1.3MiMo-V2.6-FlashLeader
Vals IndexNot measured54.8%Only MiMo-V2.6-Flash measured
LiveBench data analysis79.6%Not measuredOnly Muse Spark 1.3 measured
Public Benefits Bench (Vals AI)Not measured67.6%Only MiMo-V2.6-Flash measured
SAGE (Vals AI)Not measured43.5%Only MiMo-V2.6-Flash measured
MedScribe (Vals AI)Not measured85.3%Only MiMo-V2.6-Flash measured
Long context reasoning (AA-LCR)83.0%74.3%Muse Spark 1.3
DTBench96.5%Not measuredOnly Muse Spark 1.3 measured
LMCA53.9%Not measuredOnly Muse Spark 1.3 measured
LMArena Text14901453Muse Spark 1.3
LMArena Text: instruction following14791452Muse Spark 1.3
LMArena Text: creative writing14621403Muse Spark 1.3
LMArena Vision13081256Muse Spark 1.3
LMArena Text: English14951476Muse Spark 1.3
LMArena Text: non-English14811431Muse Spark 1.3
LMArena Text: Chinese15321509Muse Spark 1.3
LMArena Text: German15131458Muse Spark 1.3
LMArena Text: Japanese14701359Muse Spark 1.3
LMArena Text: Korean14901425Muse Spark 1.3
LMArena Text: French15111480Muse Spark 1.3
LMArena Text: Spanish14961453Muse Spark 1.3
LMArena Text: Russian14911409Muse Spark 1.3
LMArena Text: Polish14901455Muse Spark 1.3
LMArena Text: multi-turn14871447Muse Spark 1.3
LMArena Text: longer queries14881459Muse Spark 1.3
LMArena Text: writing and language14701424Muse Spark 1.3
LMArena Text: entertainment and media14571415Muse Spark 1.3
LMArena Vision: English12981269Muse Spark 1.3
LMArena Vision: Chinese1384Not measuredOnly Muse Spark 1.3 measured
LMArena Vision: reading text13191270Muse Spark 1.3
LMArena Vision: humor1293Not measuredOnly Muse Spark 1.3 measured
LMArena Vision: creative writing12961231Muse Spark 1.3
Neither model has a result on the other 15 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-V2.6-Flash
BenchmarkMuse Spark 1.3MiMo-V2.6-FlashLeader
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-V2.6-Flash$0.0003Fits in one request

MiMo-V2.6-Flash costs less

Repository review

50K input + 3K output tokens

Muse Spark 1.3$0.075Fits in one request
MiMo-V2.6-Flash$0.0078Fits in one request

MiMo-V2.6-Flash costs less

Agent loop

200K input + 10K output tokens

Muse Spark 1.3$0.292Fits in one request
MiMo-V2.6-Flash$0.031Fits in one request

MiMo-V2.6-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.

Specifications of Muse Spark 1.3 and MiMo-V2.6-Flash
SpecificationMeta Muse Spark 1.3Xiaomi MiMo-V2.6-Flash
MakerMetaXiaomi
WeightsNo public weights listedOpen weights
ReleasedSeptember 2, 2026September 21, 2026
Context window1.05M1.05M
Input $/Mtok$1.25$0.14
Output $/Mtok$4.25$0.28
Coding index79.761.9
Independent measurements behind it21
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Muse Spark 1.3 better than MiMo-V2.6-Flash for coding?

Pick Muse Spark 1.3 for coding: it scores 79.7 on the Vibe Coding Index against 61.9 for MiMo-V2.6-Flash. Pick MiMo-V2.6-Flash when output tokens cost 15.2x less, or when the context window is larger, 1.05M against 1.05M tokens.

Which is cheaper, Muse Spark 1.3 or MiMo-V2.6-Flash?

Muse Spark 1.3 costs $1.25 per million input tokens and $4.25 per million output tokens; MiMo-V2.6-Flash costs $0.14 and $0.28. Cost per solved task is known for neither of them.

Which has the bigger context window, Muse Spark 1.3 or MiMo-V2.6-Flash?

MiMo-V2.6-Flash, with 1.05M tokens against 1.05M.

How many benchmarks is the Muse Spark 1.3 vs MiMo-V2.6-Flash comparison based on?

56 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-V2.6-Flash's on 1. Where only one model has a result, the page says so instead of naming a winner.

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