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Muse Spark 1.1 vs Mistral Medium 3.1

Muse Spark 1.1 leads Mistral Medium 3.1 on the Artificial Analysis Intelligence Index, 33.7 to 9.2, and Mistral Medium 3.1 costs 2.1x less per output token ($2.00 vs $4.25 per million). Updated October 22, 2026; 60 benchmarks have a result for both.

Replace Muse Spark 1.1 Replace Mistral Medium 3.1
Muse Spark 1.1Meta
Coding
70.3
Overall
67.0
Output $/M
$4.25
60
Mistral Medium 3.1Mistral AI
Coding
No data
Overall
No data
Output $/M
$2.00
0
vs boards won of 60 shared

Muse Spark 1.1 or Mistral Medium 3.1: which to pick

Only Muse Spark 1.1 has a coding score, 70.3 on the Vibe Coding Index; Mistral Medium 3.1 has none, so the two cannot be ranked on coding.

Pick Mistral Medium 3.1 for output tokens 2.1x cheaper ($2.00 vs $4.25 per million).

Model AMuse Spark 1.1Meta70.3/1003 independent benchmarks$0.43 per solved taskModel BMistral Medium 3.1Mistral AINot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
60
Muse Spark 1.1 only
36
Mistral Medium 3.1 only
14
Like-for-like categories
8 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.

At a glance

Coding index
Muse Spark 1.1 70.3 from 3 benchmarks, Mistral Medium 3.1 not benchmarked.
Widest category
Coding, 27.8 points apart on average over 5 shared benchmarks.
Widest single gap
AA Coding Index: Muse Spark 1.1 71.3 against Mistral Medium 3.1 20.5, 50.8 points apart on a 0 to 100 scale.
Output price
Muse Spark 1.1 $4.25 against Mistral Medium 3.1 $2.00 per million output tokens, 2.1x apart.
Context window
Muse Spark 1.1 takes 1.05M tokens, Mistral Medium 3.1 131K.

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 1.1BarsMistral Medium 3.1Ties
Coding50
Intelligence10
Agentic work10
Reasoning80
Math20
Knowledge90
Web design80
General260
All shared boards600
CodingLike-for-likeSix of these boards feed the Vibe Coding Index50
Coding benchmarks for Muse Spark 1.1 and Mistral Medium 3.1
BenchmarkMuse Spark 1.1Mistral Medium 3.1Leader
LMArena WebDev1542Not measuredOnly Muse Spark 1.1 measured
AA Coding Index71.320.5Muse Spark 1.1
LiveCodeBench (Vals AI)85.9%44.8%Muse Spark 1.1
SWE-bench Verified (Vals AI)82.0%Not measuredOnly Muse Spark 1.1 measured
Vibe Code Bench (Vals AI)72.2%Not measuredOnly Muse Spark 1.1 measured
Code migration (Vals AI)31.1%Not measuredOnly Muse Spark 1.1 measured
ProgramBench (Vals AI)0.0%Not measuredOnly Muse Spark 1.1 measured
Terminal-Bench 2.1 (Vals AI)69.3%Not measuredOnly Muse Spark 1.1 measured
SkillsBench (Vals AI)59.2%Not measuredOnly Muse Spark 1.1 measured
LiveCodeBench (Artificial Analysis run)Not measured40.6%Only Mistral Medium 3.1 measured
SciCode58.8%32.4%Muse Spark 1.1
Terminal-Bench Hard (Artificial Analysis run)Not measured10.6%Only Mistral Medium 3.1 measured
ALE-BenchNot measured210.2Only Mistral Medium 3.1 measured
LMArena Text: coding14981433Muse Spark 1.1
LMArena Text: software and IT14981436Muse Spark 1.1
LMArena WebDev: React1532Not measuredOnly Muse Spark 1.1 measured
LMArena WebDev: HTML1540Not measuredOnly Muse Spark 1.1 measured
LMArena WebDev: from an image1540Not measuredOnly Muse Spark 1.1 measured
Neither model has a result on the other 21 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for Muse Spark 1.1 and Mistral Medium 3.1
BenchmarkMuse Spark 1.1Mistral Medium 3.1Leader
AA Intelligence Index33.79.2Muse Spark 1.1
Epoch Capabilities Index154.1Not measuredOnly Muse Spark 1.1 measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for Muse Spark 1.1 and Mistral Medium 3.1
BenchmarkMuse Spark 1.1Mistral Medium 3.1Leader
AA Agentic Index25.81.9Muse Spark 1.1
Design Arena: agents building web apps1207Not measuredOnly Muse Spark 1.1 measured
Design Arena: agents building full-stack apps1199Not measuredOnly Muse Spark 1.1 measured
Design Arena: agents building mobile apps1175Not measuredOnly Muse Spark 1.1 measured
Design Arena: agents building Android apps1178Not measuredOnly Muse Spark 1.1 measured
Design Arena: agents building Godot games1103Not measuredOnly Muse Spark 1.1 measured
Design Arena: agents building games1183Not measuredOnly Muse Spark 1.1 measured
Design Arena: HTML slides1195Not measuredOnly Muse Spark 1.1 measured
Design Arena: PowerPoint slides1155Not measuredOnly Muse Spark 1.1 measured
Design Arena: spreadsheets1042Not measuredOnly Muse Spark 1.1 measured
Finance Agent (Vals AI)57.2%Not measuredOnly Muse Spark 1.1 measured
Legal Research Bench (Vals AI)38.0%Not measuredOnly Muse Spark 1.1 measured
Excel Modeling Benchmark (Vals AI)56.4%Not measuredOnly Muse Spark 1.1 measured
Time Horizon Index (Vals AI)1.7%Not measuredOnly Muse Spark 1.1 measured
τ²-Bench TelecomNot measured40.6%Only Mistral Medium 3.1 measured
APEX-Agents31.8%Not measuredOnly Muse Spark 1.1 measured
Vending-Bench 2$6,520Not measuredOnly Muse Spark 1.1 measured
Neither model has a result on the other 24 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index80
Reasoning benchmarks for Muse Spark 1.1 and Mistral Medium 3.1
BenchmarkMuse Spark 1.1Mistral Medium 3.1Leader
GPQA Diamond91.2%Not measuredOnly Muse Spark 1.1 measured
MMMU Pro (Vals AI)86.6%63.0%Muse Spark 1.1
GPQA Diamond (Artificial Analysis run)89.8%58.8%Muse Spark 1.1
Humanity's Last Exam (Artificial Analysis run)46.2%4.7%Muse Spark 1.1
Chess puzzles34.0%Not measuredOnly Muse Spark 1.1 measured
LMArena Text: hard prompts14851426Muse Spark 1.1
LMArena Text: expert14781408Muse Spark 1.1
LMArena Text: hard prompts in English14801435Muse Spark 1.1
LMArena Vision: diagrams13051175Muse Spark 1.1
LMArena Vision: homework12871165Muse Spark 1.1
Neither model has a result on the other 12 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index20
Math benchmarks for Muse Spark 1.1 and Mistral Medium 3.1
BenchmarkMuse Spark 1.1Mistral Medium 3.1Leader
AIMENot measured42.3%Only Mistral Medium 3.1 measured
MATH 500 (Vals AI)Not measured87.0%Only Mistral Medium 3.1 measured
MGSM (Vals AI)Not measured90.9%Only Mistral Medium 3.1 measured
AA Math IndexNot measured38.3Only Mistral Medium 3.1 measured
AIME 2025 (Artificial Analysis run)Not measured38.3%Only Mistral Medium 3.1 measured
ProofBench39.0%Not measuredOnly Muse Spark 1.1 measured
LMArena Text: math14821408Muse Spark 1.1
LMArena Text: mathematical work14871412Muse Spark 1.1
Neither model has a result on the other 5 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index90
Knowledge benchmarks for Muse Spark 1.1 and Mistral Medium 3.1
BenchmarkMuse Spark 1.1Mistral Medium 3.1Leader
MMLU Pro88.7%75.3%Muse Spark 1.1
LegalBench (Vals AI)85.0%62.0%Muse Spark 1.1
CorpFin (Vals AI)71.3%50.7%Muse Spark 1.1
TaxEval (Vals AI)79.7%70.3%Muse Spark 1.1
MortgageTax (Vals AI)66.1%36.5%Muse Spark 1.1
MedQA (Vals AI)Not measured78.2%Only Mistral Medium 3.1 measured
MMLU Pro (Artificial Analysis run)Not measured68.3%Only Mistral Medium 3.1 measured
SimpleQA Verified57.8%Not measuredOnly Muse Spark 1.1 measured
LMArena Text: science14841444Muse Spark 1.1
LMArena Text: medicine and healthcare14791449Muse Spark 1.1
LMArena Text: legal and government14811439Muse Spark 1.1
LMArena Text: business and finance14701418Muse 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
Web design benchmarks for Muse Spark 1.1 and Mistral Medium 3.1
BenchmarkMuse Spark 1.1Mistral Medium 3.1Leader
Design Arena: websites12701132Muse Spark 1.1
Design Arena: UI components12891097Muse Spark 1.1
Design Arena: game dev12691073Muse Spark 1.1
Design Arena: data viz12681144Muse Spark 1.1
Design Arena: 3D12601081Muse Spark 1.1
Design Arena: all code categories12761120Muse Spark 1.1
Design Arena: SVG1235992Muse Spark 1.1
Design Arena: ASCII art1271997Muse 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 index260
General benchmarks for Muse Spark 1.1 and Mistral Medium 3.1
BenchmarkMuse Spark 1.1Mistral Medium 3.1Leader
Public Benefits Bench (Vals AI)61.3%Not measuredOnly Muse Spark 1.1 measured
SAGE (Vals AI)45.6%Not measuredOnly Muse Spark 1.1 measured
MedScribe (Vals AI)88.9%Not measuredOnly Muse Spark 1.1 measured
Vals Multimodal Index66.7%Not measuredOnly Muse Spark 1.1 measured
IFBenchNot measured39.8%Only Mistral Medium 3.1 measured
Long context reasoning (AA-LCR)77.7%42.7%Muse Spark 1.1
DTBench94.4%67.5%Muse Spark 1.1
LMCA49.9%19.1%Muse Spark 1.1
Surface Evolver Bench52.5%Not measuredOnly Muse Spark 1.1 measured
LMArena Text14781424Muse Spark 1.1
LMArena Text: instruction following14571398Muse Spark 1.1
LMArena Text: creative writing14351391Muse Spark 1.1
LMArena Vision12931172Muse Spark 1.1
LMArena Text: English14781438Muse Spark 1.1
LMArena Text: non-English14711408Muse Spark 1.1
LMArena Text: Chinese15151447Muse Spark 1.1
LMArena Text: German14691432Muse Spark 1.1
LMArena Text: Japanese14501379Muse Spark 1.1
LMArena Text: Korean14591380Muse Spark 1.1
LMArena Text: French14921460Muse Spark 1.1
LMArena Text: Spanish14641433Muse Spark 1.1
LMArena Text: Russian14821411Muse Spark 1.1
LMArena Text: Polish14991430Muse Spark 1.1
LMArena Text: multi-turn14841418Muse Spark 1.1
LMArena Text: longer queries14621406Muse Spark 1.1
LMArena Text: writing and language14481395Muse Spark 1.1
LMArena Text: entertainment and media14381390Muse Spark 1.1
LMArena Vision: English12921179Muse Spark 1.1
LMArena Vision: Chinese13481190Muse Spark 1.1
LMArena Vision: reading text13011175Muse Spark 1.1
LMArena Vision: humor12881168Muse Spark 1.1
LMArena Vision: captioningNot measured1145Only Mistral Medium 3.1 measured
LMArena Vision: recognizing thingsNot measured1147Only Mistral Medium 3.1 measured
LMArena Vision: creative writing12531200Muse Spark 1.1
LMArena Document1465Not measuredOnly Muse Spark 1.1 measured
Neither model has a result on the other 11 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Muse Spark 1.1 and Mistral Medium 3.1
BenchmarkMuse Spark 1.1Mistral Medium 3.1Leader
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 1.1$0.0034Fits in one request
Mistral Medium 3.1$0.0014Fits in one request

Mistral Medium 3.1 costs less

Repository review

50K input + 3K output tokens

Muse Spark 1.1$0.075Fits in one request
Mistral Medium 3.1$0.026Fits in one request

Mistral Medium 3.1 costs less

Agent loop

200K input + 10K output tokens

Muse Spark 1.1$0.292Fits in one request
Mistral Medium 3.1$0.100Exceeds the context window

Mistral Medium 3.1 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 1.1 and Mistral Medium 3.1
SpecificationMeta Muse Spark 1.1Mistral Medium 3.1
MakerMetaMistral AI
WeightsNo public weights listedNo public weights listed
ReleasedJuly 16, 2026August 13, 2025
Context window1.05M131K
Input $/Mtok$1.25$0.40
Output $/Mtok$4.25$2.00
Coding index70.3Not benchmarked
Independent measurements behind it30
Cost per solved task$0.43Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Muse Spark 1.1 better than Mistral Medium 3.1 for coding?

Only Muse Spark 1.1 has a coding score, 70.3 on the Vibe Coding Index; Mistral Medium 3.1 has none, so the two cannot be ranked on coding. Pick Mistral Medium 3.1 for output tokens 2.1x cheaper ($2.00 vs $4.25 per million).

Which is cheaper, Muse Spark 1.1 or Mistral Medium 3.1?

Muse Spark 1.1 costs $1.25 per million input tokens and $4.25 per million output tokens; Mistral Medium 3.1 costs $0.40 and $2.00. Cost per solved task is known for Muse Spark 1.1 only.

Which has the bigger context window, Muse Spark 1.1 or Mistral Medium 3.1?

Muse Spark 1.1, with 1.05M tokens against 131K.

How many benchmarks is the Muse Spark 1.1 vs Mistral Medium 3.1 comparison based on?

60 benchmarks have a result for both models as of October 22, 2026. Muse Spark 1.1's coding index rests on 3 independent benchmarks and Mistral Medium 3.1's on 0. Where only one model has a result, the page says so instead of naming a winner.

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