Noometry

Model comparison

Hermes 4 405B vs Muse Spark 1.3

Muse Spark 1.3 has enough public results to be ranked (#27); Hermes 4 405B does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

Hermes 4 405B Nous Research

37.1

Unranked Sparse

Muse Spark 1.3 Meta

54.4

Rank #27 Confirmed

Summary

  • They share 1 benchmark with published results for both. Hermes 4 405B scores higher in 0 categories and Muse Spark 1.3 in 2 categories; 2 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Muse Spark 1.3 leads 52.9 to 25.3.
  • Hermes 4 405B is cheaper at $1 / $3 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 131K.
  • Hermes 4 405B has downloadable open weights; the other is API-only.

Side by side

Hermes 4 405BMuse Spark 1.3
ProviderNous ResearchMeta
Noometry Index37.154.4
Released—2026-09-02
WeightsOpenProprietary
Context window131K1.05M
Max output118K131K
Input $ / M tokens$1$1.25
Output $ / M tokens$3$4.25
Results tracked234

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Category by category

Coding Not comparable

Hermes 4 405B: —, Muse Spark 1.3: 56.1 (#18)

BenchmarkHermes 4 405BMuse Spark 1.3
CursorBench—41.6%
LMArena WebDev—1655
SciCode—59.7%
LMArena Coding—1516

Agentic & Tool Use Not comparable

Hermes 4 405B: —, Muse Spark 1.3: 38.6 (#28)

BenchmarkHermes 4 405BMuse Spark 1.3
APEX-Agents—57.8%
GDP.pdf—27.6%

Reasoning Muse Spark 1.3 leads

Hermes 4 405B: 25.3, Muse Spark 1.3: 52.9 (#27)

BenchmarkHermes 4 405BMuse Spark 1.3
Kagi LLM Benchmark55.8%—
NYT Connections (extended)—85.1%
CritPt—24.9%
Chess Puzzles—38%
LMArena Hard Prompts—1503
Mystery Game Puzzles—25%
DTBench—96.5%
LMCA—53.9%
Bench to the Future 3—0.14
Epoch Capabilities Index—156.89

Math Not comparable

Hermes 4 405B: —, Muse Spark 1.3: 72.4 (#16)

BenchmarkHermes 4 405BMuse Spark 1.3
FrontierMath (Tiers 1-3)—74.4%
FrontierMath Tier 4—46.3%
OTIS Mock AIME 2024-2025—99.2%
LMArena Math—1497

Knowledge Not comparable

Hermes 4 405B: —, Muse Spark 1.3: 42.0 (#92)

BenchmarkHermes 4 405BMuse Spark 1.3
LMArena Expert—1516

Multimodal Not comparable

Hermes 4 405B: —, Muse Spark 1.3: 43.0 (#21)

BenchmarkHermes 4 405BMuse Spark 1.3
LMArena Vision—1310
LMArena Document—1471

Multilingual Not comparable

Hermes 4 405B: —, Muse Spark 1.3: 57.8 (#6)

BenchmarkHermes 4 405BMuse Spark 1.3
LMArena Non-English—1485
LMArena Chinese—1527
LMArena French—1534
LMArena Korean—1513
LMArena Russian—1491
LMArena Spanish—1485

Instruction Following Not comparable

Hermes 4 405B: —, Muse Spark 1.3: 77.8 (#14)

BenchmarkHermes 4 405BMuse Spark 1.3
LMArena Instruction Following—1481

Long Context Not comparable

Hermes 4 405B: —, Muse Spark 1.3: 45.7 (#29)

BenchmarkHermes 4 405BMuse Spark 1.3
LMArena Longer Query—1491

Writing & Preference Muse Spark 1.3 leads

Hermes 4 405B: 53.0, Muse Spark 1.3: 73.7 (#10)

BenchmarkHermes 4 405BMuse Spark 1.3
EQ-Bench Creative Writing14211906
LMArena Text—1490
LMArena Creative Writing—1450
LMArena Multi-Turn—1486

Frequently asked questions

Is Hermes 4 405B better than Muse Spark 1.3?

Muse Spark 1.3 has enough public results to be ranked (#27); Hermes 4 405B does not yet, so treat this comparison as directional.

Which is cheaper, Hermes 4 405B or Muse Spark 1.3?

Hermes 4 405B is cheaper. It lists at $1 per million input tokens and $3 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 131K.

How many benchmarks do Hermes 4 405B and Muse Spark 1.3 share?

1 benchmark has published results for both models. Hermes 4 405B has 2 scored results on Noometry and Muse Spark 1.3 has 34.

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