Noometry

Model comparison

Muse Spark 1.1 vs Solar Pro 3

Muse Spark 1.1 has enough public results to be ranked (#43); Solar Pro 3 does not yet, so treat this comparison as directional.

Last verified . 2 shared benchmarks.

Muse Spark 1.1 Meta

49.9

Rank #43 Confirmed

Solar Pro 3 Upstage

33.3

Unranked Sparse

Summary

  • They share 2 benchmarks with published results for both. Muse Spark 1.1 scores higher in 2 categories and Solar Pro 3 in 0 categories; 2 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Muse Spark 1.1 leads 45.9 to 21.7.
  • The biggest single-benchmark swing is SciCode: 58.8% for Muse Spark 1.1 and 24.7% for Solar Pro 3.
  • Solar Pro 3 is cheaper at $0.25 / $0.25 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.1.
  • Muse Spark 1.1 accepts more context: 1.05M tokens versus 131K.

Side by side

Muse Spark 1.1Solar Pro 3
ProviderMetaUpstage
Noometry Index49.933.3
Released2026-04-082026-01
WeightsProprietaryProprietary
Context window1.05M131K
Max output131K8K
Input $ / M tokens$1.25$0.25
Output $ / M tokens$4.25$0.25
Results tracked362

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Muse Spark 1.1 leads

Muse Spark 1.1: 50.8 (#38), Solar Pro 3: 34.2

BenchmarkMuse Spark 1.1Solar Pro 3
SciCode58.8%24.7%
DeepSWE53.3%—
LMArena WebDev1542—
LMArena Coding1497—

Agentic & Tool Use Not comparable

Muse Spark 1.1: 33.9 (#45), Solar Pro 3: —

BenchmarkMuse Spark 1.1Solar Pro 3
τ²-bench Banking40.5%—
GBAEval7.9%—
GDP.pdf15%—
Vending-Bench 26,520—

Reasoning Muse Spark 1.1 leads

Muse Spark 1.1: 45.9 (#41), Solar Pro 3: 21.7

BenchmarkMuse Spark 1.1Solar Pro 3
CritPt15.1%0%
NYT Connections (extended)84.9%—
LMArena Hard Prompts1486—
DTBench94.4%—
LMCA49.9%—
Surface Evolver Bench52.5%—
Epoch Capabilities Index154.32—

Math Not comparable

Muse Spark 1.1: 44.0 (#67), Solar Pro 3: —

BenchmarkMuse Spark 1.1Solar Pro 3
ProofBench39%—
LMArena Math1477—

Knowledge Not comparable

Muse Spark 1.1: 52.8 (#55), Solar Pro 3: —

BenchmarkMuse Spark 1.1Solar Pro 3
SimpleQA Verified57.8%—
LMArena Expert1480—

Multimodal Not comparable

Muse Spark 1.1: 41.9 (#28), Solar Pro 3: —

BenchmarkMuse Spark 1.1Solar Pro 3
LMArena Vision1292—
LMArena Document1465—

Multilingual Not comparable

Muse Spark 1.1: 56.8 (#16), Solar Pro 3: —

BenchmarkMuse Spark 1.1Solar Pro 3
LMArena Non-English1471—
LMArena Chinese1518—
LMArena French1494—
LMArena German1466—
LMArena Japanese1445—
LMArena Korean1459—
LMArena Russian1482—
LMArena Spanish1471—

Instruction Following Not comparable

Muse Spark 1.1: 76.8 (#36), Solar Pro 3: —

BenchmarkMuse Spark 1.1Solar Pro 3
LMArena Instruction Following1457—

Long Context Not comparable

Muse Spark 1.1: 44.8 (#55), Solar Pro 3: —

BenchmarkMuse Spark 1.1Solar Pro 3
LMArena Longer Query1463—

Writing & Preference Not comparable

Muse Spark 1.1: 73.6 (#11), Solar Pro 3: —

BenchmarkMuse Spark 1.1Solar Pro 3
LMArena Text1479—
LMArena Creative Writing1440—
EQ-Bench Creative Writing1927—
EQ-Bench 41260—
LMArena Multi-Turn1484—

Frequently asked questions

Is Muse Spark 1.1 better than Solar Pro 3?

Muse Spark 1.1 has enough public results to be ranked (#43); Solar Pro 3 does not yet, so treat this comparison as directional.

Which is cheaper, Muse Spark 1.1 or Solar Pro 3?

Solar Pro 3 is cheaper. It lists at $0.25 per million input tokens and $0.25 per million output tokens; Muse Spark 1.1 lists at $1.25 and $4.25.

Is Muse Spark 1.1 or Solar Pro 3 better for coding?

Muse Spark 1.1 scores higher on coding benchmarks: 50.8 versus 34.2 in the Noometry coding category.

Which has the bigger context window?

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

How many benchmarks do Muse Spark 1.1 and Solar Pro 3 share?

2 benchmarks have published results for both models. Muse Spark 1.1 has 36 scored results on Noometry and Solar Pro 3 has 2.

Related comparisons

Go deeper