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Muse Spark Open vs Nemotron Labs Dory 1.0 (4B)

Muse Spark Open leads the LLM Stats Score 44.9 to 22.1.

Meta · NVIDIA · Updated for 2026

Which is better?

Muse Spark Open leads the overall LLM Stats Score 44.9 to 22.1, ranking #43 overall.

In the 4 individual benchmarks reported for both models, Muse Spark Open wins 4; 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 44.9 and ranks #43 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 4 of 4 exact shared results

Choose Nemotron Labs Dory 1.0 (4B)

  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Muse Spark Open
Meta
Nemotron Labs Dory 1.0 (4B)
NVIDIA
Core performance indexes
LLM Stats Score
44.9
#43
22.1
#202
Reasoning
45.2
#39
19.8
#213
Coding
33.0
#42
2.9
#241
Agents
30.6
#43
-0.7
#198
Cost, coverage & limits
Benchmark wins
4 of 4
0 of 4
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

2 shared
Index
Muse Spark Open
Nemotron Labs Dory 1.0 (4B)
Math
31.6#69
12.2#245
Tool use
23.3#44
-2.1#205
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

17 reported for Muse Spark Open · 10 for Nemotron Labs Dory 1.0 (4B)

4 shared

Muse Spark Open outperforms in 4 benchmarks (GDPval-AA, GPQA, SciCode, Terminal-Bench 2.1), while Nemotron Labs Dory 1.0 (4B) is better at 0 benchmarks.

Muse Spark Open significantly outperforms across most benchmarks.

Mon Oct 19 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

812.0B diff

Muse Spark Open has 812.0B more parameters than Nemotron Labs Dory 1.0 (4B), making it 20300.0% larger.

Meta
Muse Spark Open
816.0Bparameters
NVIDIA
Nemotron Labs Dory 1.0 (4B)
4.0Bparameters
816.0B
Muse Spark Open
4.0B
Nemotron Labs Dory 1.0 (4B)

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 Labs Dory 1.0 (4B)
Input- tokens
Output- tokens
Mon Oct 19 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Muse Spark Open supports multimodal inputs, whereas Nemotron Labs Dory 1.0 (4B) 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 Labs Dory 1.0 (4B)

Text
Images
Audio
Video

License

Usage and distribution terms

Muse Spark Open is licensed under Muse Model License, while Nemotron Labs Dory 1.0 (4B) uses OpenMDW License v1.1.

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 Labs Dory 1.0 (4B)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

Muse Spark Open was released on 2026-10-15, while Nemotron Labs Dory 1.0 (4B) was released on 2026-10-16.

Nemotron Labs Dory 1.0 (4B) is 0 month newer than Muse Spark Open.

Muse Spark Open

Oct 15, 2026

4 days ago

Nemotron Labs Dory 1.0 (4B)

Oct 16, 2026

3 days ago

1d newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Muse Spark Open and Nemotron Labs Dory 1.0 (4B) side-by-side, then vote on the output you prefer.

Muse Spark Open
✓ Preferred
Nemotron Labs Dory 1.0 (4B)
Open in Playground

FAQ

Common questions about Muse Spark Open vs Nemotron Labs Dory 1.0 (4B).

Which is better, Muse Spark Open or Nemotron Labs Dory 1.0 (4B)?

Muse Spark Open leads the LLM Stats Score 44.9 to 22.1. Muse Spark Open is made by Meta and Nemotron Labs Dory 1.0 (4B) 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 Labs Dory 1.0 (4B) 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 Labs Dory 1.0 (4B) scores IFBench: 77.9%, GPQA: 72.4%, AA-LCR: 71.0%, SWE-Bench Verified: 59.5%, SciCode: 34.9%.

What are the context window sizes for Muse Spark Open and Nemotron Labs Dory 1.0 (4B)?

Muse Spark Open supports 1.0M tokens and Nemotron Labs Dory 1.0 (4B) 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 Labs Dory 1.0 (4B)?

Key differences include LLM Stats Score (44.9 vs 22.1), multimodal support (yes vs no), licensing (Muse Model License vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes Muse Spark Open and Nemotron Labs Dory 1.0 (4B)?

Muse Spark Open is developed by Meta and Nemotron Labs Dory 1.0 (4B) is developed by NVIDIA.

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