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Nova Pro 1.0 vs Muse Spark 1.2

Muse Spark 1.2 leads Nova Pro 1.0 on the Artificial Analysis Intelligence Index, 39.6 to 7.0, and Nova Pro 1.0 costs 1.3x less per output token ($3.20 vs $4.25 per million). Updated October 21, 2026; 32 benchmarks have a result for both.

Nova Pro 1.0Amazon
Coding
No data
Overall
No data
Output $/M
$3.20
0
Muse Spark 1.2Meta
Coding
55.7
Overall
60.4
Output $/M
$4.25
32
vs boards won of 32 shared

Nova Pro 1.0 or Muse Spark 1.2: which to pick

Only Muse Spark 1.2 has a coding score, 55.7 on the Vibe Coding Index; Nova Pro 1.0 has none, so the two cannot be ranked on coding.

Pick Nova Pro 1.0 for output tokens 1.3x cheaper ($3.20 vs $4.25 per million).

Shared results
32
Nova Pro 1.0 only
10
Muse Spark 1.2 only
65
Like-for-like categories
7 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
Nova Pro 1.0 not benchmarked, Muse Spark 1.2 55.7 from 5 benchmarks.
Widest category
Web design, 64.6 points apart on average over 1 shared benchmark.
Widest single gap
Design Arena: websites: Nova Pro 1.0 796 against Muse Spark 1.2 1313, 64.6 points apart on a 0 to 100 scale.
Output price
Nova Pro 1.0 $3.20 against Muse Spark 1.2 $4.25 per million output tokens, 1.3x apart.
Context window
Nova Pro 1.0 takes 300K tokens, Muse Spark 1.2 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
CategoryNova Pro 1.0BarsMuse Spark 1.2Ties
Coding02
Intelligence01
Reasoning05
Math02
Knowledge04
Web design01
General017
All shared boards032
CodingLike-for-likeSix of these boards feed the Vibe Coding Index02
Coding benchmarks for Nova Pro 1.0 and Muse Spark 1.2
BenchmarkNova Pro 1.0Muse Spark 1.2Leader
LiveBench codingNot measured78.2%Only Muse Spark 1.2 measured
LMArena WebDevNot measured1534Only Muse Spark 1.2 measured
AA Coding IndexNot measured72.2Only Muse Spark 1.2 measured
SWE-bench Verified (Vals AI)Not measured86.6%Only Muse Spark 1.2 measured
Terminal-Bench 4 (Vals AI)Not measured6.1%Only Muse Spark 1.2 measured
Vibe Code Bench (Vals AI)Not measured79.1%Only Muse Spark 1.2 measured
Code migration (Vals AI)Not measured29.9%Only Muse Spark 1.2 measured
ProgramBench (Vals AI)Not measured0.5%Only Muse Spark 1.2 measured
IOI (Vals AI)Not measured21.8%Only Muse Spark 1.2 measured
Terminal-Bench 2.1 (Vals AI)Not measured69.7%Only Muse Spark 1.2 measured
SkillsBench (Vals AI)Not measured53.0%Only Muse Spark 1.2 measured
CyberBench (Vals AI)Not measured69.5%Only Muse Spark 1.2 measured
LiveCodeBench (Artificial Analysis run)23.3%Not measuredOnly Nova Pro 1.0 measured
SciCodeNot measured57.4%Only Muse Spark 1.2 measured
Terminal-Bench Hard (Artificial Analysis run)6.1%Not measuredOnly Nova Pro 1.0 measured
FrontierSWENot measured12.0%Only Muse Spark 1.2 measured
WeirdMLNot measured60.3%Only Muse Spark 1.2 measured
LMArena Text: coding12701505Muse Spark 1.2
LMArena Text: software and IT12711505Muse Spark 1.2
LMArena WebDev: ReactNot measured1526Only Muse Spark 1.2 measured
LMArena WebDev: HTMLNot measured1543Only Muse Spark 1.2 measured
Neither model has a result on the other 18 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for Nova Pro 1.0 and Muse Spark 1.2
BenchmarkNova Pro 1.0Muse Spark 1.2Leader
AA Intelligence Index7.039.6Muse Spark 1.2
Epoch Capabilities IndexNot measured155.1Only Muse Spark 1.2 measured
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index19 boards, none shared
Agentic work benchmarks for Nova Pro 1.0 and Muse Spark 1.2
BenchmarkNova Pro 1.0Muse Spark 1.2Leader
AA Agentic IndexNot measured43.2Only Muse Spark 1.2 measured
Design Arena: agents building web appsNot measured1221Only Muse Spark 1.2 measured
Design Arena: agents building full-stack appsNot measured1210Only Muse Spark 1.2 measured
Design Arena: agents building mobile appsNot measured1181Only Muse Spark 1.2 measured
Design Arena: agents building Android appsNot measured1221Only Muse Spark 1.2 measured
Design Arena: agents building gamesNot measured1179Only Muse Spark 1.2 measured
Design Arena: HTML slidesNot measured1135Only Muse Spark 1.2 measured
Design Arena: PowerPoint slidesNot measured1198Only Muse Spark 1.2 measured
LiveBench researchNot measured67.7%Only Muse Spark 1.2 measured
LiveBench browserNot measured36.0%Only Muse Spark 1.2 measured
LiveBench long agenticNot measured21.3%Only Muse Spark 1.2 measured
SREBench (Vals AI)Not measured0.0%Only Muse Spark 1.2 measured
Finance Agent (Vals AI)Not measured60.6%Only Muse Spark 1.2 measured
Tax Agent Bench (Vals AI)Not measured32.8%Only Muse Spark 1.2 measured
Legal Research Bench (Vals AI)Not measured43.8%Only Muse Spark 1.2 measured
Excel Modeling Benchmark (Vals AI)Not measured57.0%Only Muse Spark 1.2 measured
BioMysteryBench (Vals AI)Not measured64.8%Only Muse Spark 1.2 measured
τ²-Bench Telecom14.0%Not measuredOnly Nova Pro 1.0 measured
APEX-AgentsNot measured45.4%Only Muse Spark 1.2 measured
Neither model has a result on the other 22 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index05
Reasoning benchmarks for Nova Pro 1.0 and Muse Spark 1.2
BenchmarkNova Pro 1.0Muse Spark 1.2Leader
LiveBench reasoningNot measured90.0%Only Muse Spark 1.2 measured
MMMU Pro (Vals AI)Not measured86.1%Only Muse Spark 1.2 measured
GPQA Diamond (Artificial Analysis run)49.9%90.4%Muse Spark 1.2
Humanity's Last Exam (Artificial Analysis run)3.2%45.5%Muse Spark 1.2
SimpleBenchNot measured74.5%Only Muse Spark 1.2 measured
Chess puzzlesNot measured27.0%Only Muse Spark 1.2 measured
LMArena Text: hard prompts12461489Muse Spark 1.2
LMArena Text: expert12111475Muse Spark 1.2
LMArena Text: hard prompts in English12591487Muse Spark 1.2
LMArena Vision: diagramsNot measured1317Only Muse Spark 1.2 measured
Neither model has a result on the other 12 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for Nova Pro 1.0 and Muse Spark 1.2
BenchmarkNova Pro 1.0Muse Spark 1.2Leader
AA Math Index7.0Not measuredOnly Nova Pro 1.0 measured
AIME 2025 (Artificial Analysis run)7.0%Not measuredOnly Nova Pro 1.0 measured
ProofBenchNot measured43.0%Only Muse Spark 1.2 measured
LMArena Text: math12521484Muse Spark 1.2
LMArena Text: mathematical work12611480Muse Spark 1.2
Neither model has a result on the other 8 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04
Knowledge benchmarks for Nova Pro 1.0 and Muse Spark 1.2
BenchmarkNova Pro 1.0Muse Spark 1.2Leader
MMLU ProNot measured88.3%Only Muse Spark 1.2 measured
LegalBench (Vals AI)Not measured85.3%Only Muse Spark 1.2 measured
CorpFin (Vals AI)Not measured70.9%Only Muse Spark 1.2 measured
TaxEval (Vals AI)Not measured80.4%Only Muse Spark 1.2 measured
MortgageTax (Vals AI)Not measured65.4%Only Muse Spark 1.2 measured
MedCode (Vals AI)Not measured49.4%Only Muse Spark 1.2 measured
MMLU Pro (Artificial Analysis run)69.1%Not measuredOnly Nova Pro 1.0 measured
SimpleQA VerifiedNot measured60.3%Only Muse Spark 1.2 measured
MMLU82.0%Not measuredOnly Nova Pro 1.0 measured
LMArena Text: science12551500Muse Spark 1.2
LMArena Text: medicine and healthcare12601496Muse Spark 1.2
LMArena Text: legal and government12811517Muse Spark 1.2
LMArena Text: business and finance12291484Muse Spark 1.2
Neither model has a result on the other 5 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index01
Web design benchmarks for Nova Pro 1.0 and Muse Spark 1.2
BenchmarkNova Pro 1.0Muse Spark 1.2Leader
Design Arena: websites7961313Muse Spark 1.2
Design Arena: UI componentsNot measured1301Only Muse Spark 1.2 measured
Design Arena: game devNot measured1301Only Muse Spark 1.2 measured
Design Arena: data vizNot measured1334Only Muse Spark 1.2 measured
Design Arena: 3DNot measured1302Only Muse Spark 1.2 measured
Design Arena: all code categoriesNot measured1313Only Muse Spark 1.2 measured
Design Arena: SVGNot measured1286Only Muse Spark 1.2 measured
Design Arena: ASCII artNot measured1283Only Muse Spark 1.2 measured
LiveBench designNot measured67.1%Only Muse Spark 1.2 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index017
General benchmarks for Nova Pro 1.0 and Muse Spark 1.2
BenchmarkNova Pro 1.0Muse Spark 1.2Leader
LiveBench data analysisNot measured76.5%Only Muse Spark 1.2 measured
Public Benefits Bench (Vals AI)Not measured68.5%Only Muse Spark 1.2 measured
SAGE (Vals AI)Not measured47.7%Only Muse Spark 1.2 measured
MedScribe (Vals AI)Not measured90.1%Only Muse Spark 1.2 measured
Vals Multimodal IndexNot measured69.8%Only Muse Spark 1.2 measured
IFBench38.1%Not measuredOnly Nova Pro 1.0 measured
Long context reasoning (AA-LCR)21.0%79.0%Muse Spark 1.2
DTBenchNot measured94.7%Only Muse Spark 1.2 measured
LMCANot measured48.4%Only Muse Spark 1.2 measured
LMArena Text12591482Muse Spark 1.2
LMArena Text: instruction following12351462Muse Spark 1.2
LMArena Text: creative writing12121436Muse Spark 1.2
LMArena Vision9801304Muse Spark 1.2
LMArena Text: English12761483Muse Spark 1.2
LMArena Text: non-English12331476Muse Spark 1.2
LMArena Text: Chinese12441509Muse Spark 1.2
LMArena Text: German1243Not measuredOnly Nova Pro 1.0 measured
LMArena Text: Japanese1200Not measuredOnly Nova Pro 1.0 measured
LMArena Text: Korean12031462Muse Spark 1.2
LMArena Text: French12711495Muse Spark 1.2
LMArena Text: Spanish11821484Muse Spark 1.2
LMArena Text: Russian12401483Muse Spark 1.2
LMArena Text: multi-turn12461502Muse Spark 1.2
LMArena Text: longer queries12551473Muse Spark 1.2
LMArena Text: writing and language12471453Muse Spark 1.2
LMArena Text: entertainment and media12101443Muse Spark 1.2
LMArena Vision: English9871291Muse Spark 1.2
LMArena Vision: reading textNot measured1313Only Muse Spark 1.2 measured
Neither model has a result on the other 18 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Nova Pro 1.0 and Muse Spark 1.2
BenchmarkNova Pro 1.0Muse Spark 1.2Leader
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

Nova Pro 1.0$0.0024Fits in one request
Muse Spark 1.2$0.0034Fits in one request

Nova Pro 1.0 costs less

Repository review

50K input + 3K output tokens

Nova Pro 1.0$0.050Fits in one request
Muse Spark 1.2$0.075Fits in one request

Nova Pro 1.0 costs less

Agent loop

200K input + 10K output tokens

Nova Pro 1.0$0.192Fits in one request
Muse Spark 1.2$0.292Fits in one request

Nova Pro 1.0 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 Nova Pro 1.0 and Muse Spark 1.2
SpecificationAmazon Nova Pro 1.0Meta Muse Spark 1.2
MakerAmazonMeta
WeightsNo public weights listedNo public weights listed
ReleasedDecember 5, 2024August 5, 2026
Context window300K1.05M
Input $/Mtok$0.80$1.25
Output $/Mtok$3.20$4.25
Coding indexNot benchmarked55.7
Independent measurements behind it05
Cost per solved taskNot computable$0.64
SourceOpenRouter listingOpenRouter listing

Questions

Is Nova Pro 1.0 better than Muse Spark 1.2 for coding?

Only Muse Spark 1.2 has a coding score, 55.7 on the Vibe Coding Index; Nova Pro 1.0 has none, so the two cannot be ranked on coding. Pick Nova Pro 1.0 for output tokens 1.3x cheaper ($3.20 vs $4.25 per million).

Which is cheaper, Nova Pro 1.0 or Muse Spark 1.2?

Nova Pro 1.0 costs $0.80 per million input tokens and $3.20 per million output tokens; Muse Spark 1.2 costs $1.25 and $4.25. Cost per solved task is known for Muse Spark 1.2 only.

Which has the bigger context window, Nova Pro 1.0 or Muse Spark 1.2?

Muse Spark 1.2, with 1.05M tokens against 300K.

How many benchmarks is the Nova Pro 1.0 vs Muse Spark 1.2 comparison based on?

32 benchmarks have a result for both models as of October 21, 2026. Nova Pro 1.0's coding index rests on 0 independent benchmarks and Muse Spark 1.2's on 5. Where only one model has a result, the page says so instead of naming a winner.

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