Noometry

Model comparison

Muse Spark 1.3 vs Reka Flash 3

Muse Spark 1.3 has enough public results to be ranked (#27); Reka Flash 3 does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

Muse Spark 1.3 Meta

54.8

Rank #27 Confirmed

Reka Flash 3 Reka

36.8

Unranked Sparse

Summary

  • They share 1 benchmark with published results for both. Muse Spark 1.3 scores higher in 2 categories and Reka Flash 3 in 0 categories; 2 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Muse Spark 1.3 leads 73.6 to 43.7.
  • Reka Flash 3 is cheaper at $0.10 / $0.20 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.3.
  • Muse Spark 1.3 accepts more context: 1.05M tokens versus 66K.
  • Reka Flash 3 has downloadable open weights; the other is API-only.

Side by side

Muse Spark 1.3Reka Flash 3
ProviderMetaReka
Noometry Index54.836.8
Released2026-09-022025-03-10
WeightsProprietaryOpen
Context window1.05M66K
Max output131K59K
Input $ / M tokens$1.25$0.10
Output $ / M tokens$4.25$0.20
Results tracked372

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

Category by category

Coding Not comparable

Muse Spark 1.3: 56.6 (#21), Reka Flash 3: —

BenchmarkMuse Spark 1.3Reka Flash 3
CursorBench41.6%—
LMArena WebDev1657—
SciCode59.7%—
LMArena Coding1514—

Agentic & Tool Use Muse Spark 1.3 leads

Muse Spark 1.3: 38.6 (#30), Reka Flash 3: 30.4

BenchmarkMuse Spark 1.3Reka Flash 3
APEX-Agents57.8%—
BALROG—29.2%
GDP.pdf27.6%—

Reasoning Not comparable

Muse Spark 1.3: 54.0 (#27), Reka Flash 3: —

BenchmarkMuse Spark 1.3Reka Flash 3
NYT Connections (extended)85.1%—
CritPt26%—
Chess Puzzles38%—
LMArena Hard Prompts1503—
Mystery Game Puzzles25%—
DTBench96.5%—
LMCA53.9%—
Bench to the Future 30.14—
Epoch Capabilities Index156.75—

Math Not comparable

Muse Spark 1.3: 73.1 (#21), Reka Flash 3: —

BenchmarkMuse Spark 1.3Reka Flash 3
FrontierMath (Tiers 1-3)74.4%—
FrontierMath Tier 446.3%—
OTIS Mock AIME 2024-202599.2%—
ProofBench58%—
LMArena Math1494—

Knowledge Not comparable

Muse Spark 1.3: 42.6 (#95), Reka Flash 3: —

BenchmarkMuse Spark 1.3Reka Flash 3
LMArena Expert1516—

Multimodal Not comparable

Muse Spark 1.3: 43.7 (#22), Reka Flash 3: —

BenchmarkMuse Spark 1.3Reka Flash 3
LMArena Vision1309—
LMArena Document1471—

Multilingual Not comparable

Muse Spark 1.3: 57.4 (#8), Reka Flash 3: —

BenchmarkMuse Spark 1.3Reka Flash 3
LMArena Non-English1481—
LMArena Chinese1529—
LMArena French1524—
LMArena German1515—
LMArena Japanese1474—
LMArena Korean1501—
LMArena Russian1490—
LMArena Spanish1490—

Instruction Following Not comparable

Muse Spark 1.3: 77.5 (#22), Reka Flash 3: —

BenchmarkMuse Spark 1.3Reka Flash 3
LMArena Instruction Following1477—

Long Context Not comparable

Muse Spark 1.3: 45.6 (#32), Reka Flash 3: —

BenchmarkMuse Spark 1.3Reka Flash 3
LMArena Longer Query1488—

Writing & Preference Muse Spark 1.3 leads

Muse Spark 1.3: 73.6 (#9), Reka Flash 3: 43.7

BenchmarkMuse Spark 1.3Reka Flash 3
EQ-Bench Creative Writing19061228
LMArena Text1490—
LMArena Creative Writing1455—
LMArena Multi-Turn1482—

Frequently asked questions

Is Muse Spark 1.3 better than Reka Flash 3?

Muse Spark 1.3 has enough public results to be ranked (#27); Reka Flash 3 does not yet, so treat this comparison as directional.

Which is cheaper, Muse Spark 1.3 or Reka Flash 3?

Reka Flash 3 is cheaper. It lists at $0.10 per million input tokens and $0.20 per million output tokens; Muse Spark 1.3 lists at $1.25 and $4.25.

Which has the bigger context window?

Muse Spark 1.3 does, with 1.05M tokens against 66K.

How many benchmarks do Muse Spark 1.3 and Reka Flash 3 share?

1 benchmark has published results for both models. Muse Spark 1.3 has 37 scored results on Noometry and Reka Flash 3 has 2.

Related comparisons

Go deeper