Model comparison

Amazon Nova Experimental Chat 26 01 10 vs Muse Spark 1.3

Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 42.8 on the Noometry Index.

Last verified . 13 shared benchmarks.

Muse Spark 1.3 Meta

54.8

Rank #27 Confirmed

Summary

  • They share 13 benchmarks with published results for both. Amazon Nova Experimental Chat 26 01 10 scores higher in 0 categories and Muse Spark 1.3 in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Muse Spark 1.3 leads 73.1 to 38.5.

Side by side

Amazon Nova Experimental Chat 26 01 10 and Muse Spark 1.3 specifications
Amazon Nova Experimental Chat 26 01 10Muse Spark 1.3
ProviderAmazonMeta
Noometry Index42.854.8
Released—2026-09-02
WeightsProprietaryProprietary
Context window—1.05M
Max output—131K
Input $ / M tokens—$1.25
Output $ / M tokens—$4.25
Results tracked1337

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Category by category

Coding Muse Spark 1.3 leads

Amazon Nova Experimental Chat 26 01 10: 42.7 (#96), Muse Spark 1.3: 56.6 (#21)

Coding benchmarks
BenchmarkAmazon Nova Experimental Chat 26 01 10Muse Spark 1.3
LMArena Coding14471514
CursorBench—41.6%
LMArena WebDev—1657
SciCode—59.7%

Agentic & Tool Use Not comparable

Amazon Nova Experimental Chat 26 01 10: —, Muse Spark 1.3: 38.6 (#30)

Agentic & Tool Use benchmarks
BenchmarkAmazon Nova Experimental Chat 26 01 10Muse Spark 1.3
APEX-Agents—57.8%
GDP.pdf—27.6%

Reasoning Muse Spark 1.3 leads

Amazon Nova Experimental Chat 26 01 10: 28.9 (#98), Muse Spark 1.3: 54.0 (#27)

Reasoning benchmarks
BenchmarkAmazon Nova Experimental Chat 26 01 10Muse Spark 1.3
LMArena Hard Prompts14151503
NYT Connections (extended)—85.1%
CritPt—26%
Chess Puzzles—38%
Mystery Game Puzzles—25%
DTBench—96.5%
LMCA—53.9%
Bench to the Future 3—0.14
Epoch Capabilities Index—156.75

Math Muse Spark 1.3 leads

Amazon Nova Experimental Chat 26 01 10: 38.5 (#136), Muse Spark 1.3: 73.1 (#21)

Math benchmarks
BenchmarkAmazon Nova Experimental Chat 26 01 10Muse Spark 1.3
LMArena Math14041494
FrontierMath (Tiers 1-3)—74.4%
FrontierMath Tier 4—46.3%
OTIS Mock AIME 2024-2025—99.2%
ProofBench—58%

Knowledge Muse Spark 1.3 leads

Amazon Nova Experimental Chat 26 01 10: 40.3 (#120), Muse Spark 1.3: 42.6 (#95)

Knowledge benchmarks
BenchmarkAmazon Nova Experimental Chat 26 01 10Muse Spark 1.3
LMArena Expert14441516

Multimodal Not comparable

Amazon Nova Experimental Chat 26 01 10: —, Muse Spark 1.3: 43.7 (#22)

Multimodal benchmarks
BenchmarkAmazon Nova Experimental Chat 26 01 10Muse Spark 1.3
LMArena Vision—1309
LMArena Document—1471

Multilingual Muse Spark 1.3 leads

Amazon Nova Experimental Chat 26 01 10: 50.2 (#126), Muse Spark 1.3: 57.4 (#8)

Multilingual benchmarks
BenchmarkAmazon Nova Experimental Chat 26 01 10Muse Spark 1.3
LMArena Non-English13811481
LMArena Chinese13721529
LMArena Russian13911490
LMArena Spanish13901490
LMArena French—1524
LMArena German—1515
LMArena Japanese—1474
LMArena Korean—1501

Instruction Following Muse Spark 1.3 leads

Amazon Nova Experimental Chat 26 01 10: 72.9 (#126), Muse Spark 1.3: 77.5 (#22)

Instruction Following benchmarks
BenchmarkAmazon Nova Experimental Chat 26 01 10Muse Spark 1.3
LMArena Instruction Following13811477

Long Context Muse Spark 1.3 leads

Amazon Nova Experimental Chat 26 01 10: 42.7 (#119), Muse Spark 1.3: 45.6 (#32)

Long Context benchmarks
BenchmarkAmazon Nova Experimental Chat 26 01 10Muse Spark 1.3
LMArena Longer Query14001488

Writing & Preference Muse Spark 1.3 leads

Amazon Nova Experimental Chat 26 01 10: 57.4 (#129), Muse Spark 1.3: 73.6 (#9)

Writing & Preference benchmarks
BenchmarkAmazon Nova Experimental Chat 26 01 10Muse Spark 1.3
LMArena Text13961490
LMArena Creative Writing13311455
LMArena Multi-Turn13801482
EQ-Bench Creative Writing—1906

Frequently asked questions

Is Amazon Nova Experimental Chat 26 01 10 better than Muse Spark 1.3?

Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 42.8 on the Noometry Index.

Is Amazon Nova Experimental Chat 26 01 10 or Muse Spark 1.3 better for coding?

Muse Spark 1.3 scores higher on coding benchmarks: 56.6 versus 42.7 in the Noometry coding category.

How many benchmarks do Amazon Nova Experimental Chat 26 01 10 and Muse Spark 1.3 share?

13 benchmarks have published results for both models. Amazon Nova Experimental Chat 26 01 10 has 13 scored results on Noometry and Muse Spark 1.3 has 37.

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