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Muse Spark Open vs Nemotron Nano 9B v2

Muse Spark Open leads the LLM Stats Score 45.3 to 17.9.

Meta · NVIDIA · Updated for 2026

Which is better?

Muse Spark Open leads the overall LLM Stats Score 45.3 to 17.9, ranking #42 overall.

In the 1 individual benchmarks reported for both models, Muse Spark Open wins 1; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Muse Spark Open

  • overall performance matters — it scores 45.3 and ranks #42 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Oct 2026

Choose Nemotron Nano 9B v2

  • you are already invested in the NVIDIA ecosystem

At a glance

The differences that matter most.

Muse Spark Open
Meta
Nemotron Nano 9B v2
NVIDIA
Core performance indexes
LLM Stats Score
45.3
#42
17.9
#238
Reasoning
45.7
#35
16.7
#237
Coding
33.5
#40
14.3
#155
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$1.25 / M
— / M
Output price
$4.25 / M
— / M
Context window
1,048,576
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Muse Spark Open
Nemotron Nano 9B v2
Math
33.3#58
16.4#217
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

17 reported for Muse Spark Open · 6 for Nemotron Nano 9B v2

1 shared

Muse Spark Open outperforms in 1 benchmarks (GPQA), while Nemotron Nano 9B v2 is better at 0 benchmarks.

Muse Spark Open significantly outperforms across most benchmarks.

Thu Oct 22 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

807.1B diff

Muse Spark Open has 807.1B more parameters than Nemotron Nano 9B v2, making it 9068.5% larger.

Meta
Muse Spark Open
816.0Bparameters
NVIDIA
Nemotron Nano 9B v2
8.9Bparameters
816.0B
Muse Spark Open
8.9B
Nemotron Nano 9B v2

Context Window

Maximum input and output token capacity

Only Muse Spark Open specifies input context (1,048,576 tokens). Only Muse Spark Open specifies output context (1,048,576 tokens).

Meta
Muse Spark Open
Input1,048,576 tokens
Output1,048,576 tokens
NVIDIA
Nemotron Nano 9B v2
Input- tokens
Output- tokens
Thu Oct 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Muse Spark Open supports multimodal inputs, whereas Nemotron Nano 9B v2 does not.

Muse Spark Open can handle both text and other forms of data like images, making it suitable for multimodal applications.

Muse Spark Open

Text
Images
Audio
Video

Nemotron Nano 9B v2

Text
Images
Audio
Video

License

Usage and distribution terms

Muse Spark Open is licensed under Muse Model License, while Nemotron Nano 9B v2 uses NVIDIA Open Model License Agreement .

License differences may affect how you can use these models in commercial or open-source projects.

Muse Spark Open

Muse Model License

Open weights

Nemotron Nano 9B v2

NVIDIA Open Model License Agreement

Open weights

Release Timeline

When each model was launched

Muse Spark Open was released on 2026-10-15, while Nemotron Nano 9B v2 was released on 2025-08-18.

Muse Spark Open is 14 months newer than Nemotron Nano 9B v2.

Muse Spark Open

Oct 15, 2026

4 days ago

1.2yr newer
Nemotron Nano 9B v2

Aug 18, 2025

1.2 years ago

Knowledge Cutoff

When training data ends

Nemotron Nano 9B v2 has a documented knowledge cutoff of 2024-09-01, while Muse Spark Open's cutoff date is not specified.

We can confirm Nemotron Nano 9B v2's training data extends to 2024-09-01, but cannot make a direct comparison without Muse Spark Open's cutoff date.

Muse Spark Open

—

Nemotron Nano 9B v2

Sep 2024

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Muse Spark Open and Nemotron Nano 9B v2 side-by-side, then vote on the output you prefer.

Muse Spark Open
✓ Preferred
Nemotron Nano 9B v2
Open in Playground

FAQ

Common questions about Muse Spark Open vs Nemotron Nano 9B v2.

Which is better, Muse Spark Open or Nemotron Nano 9B v2?

Muse Spark Open leads the LLM Stats Score 45.3 to 17.9. Muse Spark Open is made by Meta and Nemotron Nano 9B v2 is made by NVIDIA. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Muse Spark Open compare to Nemotron Nano 9B v2 in benchmarks?

Muse Spark Open scores MCP Atlas: 89.2%, GPQA: 89.0%, OSWorld-Verified: 80.4%, BabyVision: 80.2%, Terminal-Bench 2.1: 76.4%. Nemotron Nano 9B v2 scores MATH-500: 97.8%, IFEval: 90.3%, AIME 2025: 72.1%, LiveCodeBench: 71.1%, BFCL_v3_MultiTurn: 66.9%.

What are the context window sizes for Muse Spark Open and Nemotron Nano 9B v2?

Muse Spark Open supports 1.0M tokens and Nemotron Nano 9B v2 supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Muse Spark Open and Nemotron Nano 9B v2?

Key differences include LLM Stats Score (45.3 vs 17.9), multimodal support (yes vs no), licensing (Muse Model License vs NVIDIA Open Model License Agreement ). See the full comparison above for benchmark-by-benchmark results.

Who makes Muse Spark Open and Nemotron Nano 9B v2?

Muse Spark Open is developed by Meta and Nemotron Nano 9B v2 is developed by NVIDIA.

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