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Muse Spark Open vs Nemotron 3.5 Lightning (30B A3B)

Muse Spark Open leads the LLM Stats Score 44.9 to 22.1. Nemotron 3.5 Lightning (30B A3B) is 18.2x cheaper per token.

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 3 individual benchmarks reported for both models, Muse Spark Open wins 3; this is a narrower head-to-head signal than the composite indexes.

On price, Nemotron 3.5 Lightning (30B A3B) is roughly 18.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Muse Spark Open also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

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 3 of 3 exact shared results
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Oct 2026

Choose Nemotron 3.5 Lightning (30B A3B)

  • cost matters — it's about 18.2x cheaper per token

At a glance

The differences that matter most.

Muse Spark Open
Meta
Nemotron 3.5 Lightning (30B A3B)
NVIDIA
Core performance indexes
LLM Stats Score
44.9
#43
22.1
#200
Reasoning
45.2
#39
20.0
#212
Coding
33.0
#42
7.4
#205
Agents
30.6
#43
5.9
#163
Cost, coverage & limits
Benchmark wins
3 of 3
0 of 3
Input price
$1.25 / M
$0.08 / M
Output price
$4.25 / M
$0.20 / M
Context window
1,048,576
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Muse Spark Open
Nemotron 3.5 Lightning (30B A3B)
Math
31.6#69
17.2#206
Tool use
23.3#44
-0.7#202
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

17 reported for Muse Spark Open · 13 for Nemotron 3.5 Lightning (30B A3B)

3 shared

Muse Spark Open outperforms in 3 benchmarks (GPQA, SciCode, Terminal-Bench 2.1), while Nemotron 3.5 Lightning (30B A3B) is better at 0 benchmarks.

Muse Spark Open significantly outperforms across most benchmarks.

Tue Oct 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Nemotron 3.5 Lightning (30B A3B) costs less

For input processing, Muse Spark Open ($1.25/1M tokens) is 15.6x more expensive than Nemotron 3.5 Lightning (30B A3B) ($0.08/1M tokens).

For output processing, Muse Spark Open ($4.25/1M tokens) is 21.3x more expensive than Nemotron 3.5 Lightning (30B A3B) ($0.20/1M tokens).

In conclusion, Muse Spark Open is more expensive than Nemotron 3.5 Lightning (30B A3B).*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Tue Oct 20 2026 • llm-stats.com
Meta
Muse Spark Open
Input tokens$1.25
Output tokens$4.25
Best providerTogether
NVIDIA
Nemotron 3.5 Lightning (30B A3B)
Input tokens$0.08
Output tokens$0.20
Best providerDeepinfra
Notice missing or incorrect data?

Model Size

Parameter count comparison

786.0B diff

Muse Spark Open has 786.0B more parameters than Nemotron 3.5 Lightning (30B A3B), making it 2620.0% larger.

Meta
Muse Spark Open
816.0Bparameters
NVIDIA
Nemotron 3.5 Lightning (30B A3B)
30.0Bparameters
816.0B
Muse Spark Open
30.0B
Nemotron 3.5 Lightning (30B A3B)

Context Window

Maximum input and output token capacity

Muse Spark Open accepts 1,048,576 input tokens compared to Nemotron 3.5 Lightning (30B A3B)'s 262,144 tokens. Muse Spark Open can generate longer responses up to 1,048,576 tokens, while Nemotron 3.5 Lightning (30B A3B) is limited to 262,144 tokens.

Meta
Muse Spark Open
Input1,048,576 tokens
Output1,048,576 tokens
NVIDIA
Nemotron 3.5 Lightning (30B A3B)
Input262,144 tokens
Output262,144 tokens
Tue Oct 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Muse Spark Open supports multimodal inputs, whereas Nemotron 3.5 Lightning (30B A3B) 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 3.5 Lightning (30B A3B)

Text
Images
Audio
Video

License

Usage and distribution terms

Muse Spark Open is licensed under Muse Model License, while Nemotron 3.5 Lightning (30B A3B) 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 3.5 Lightning (30B A3B)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

Muse Spark Open was released on 2026-10-15, while Nemotron 3.5 Lightning (30B A3B) was released on 2026-08-11.

Muse Spark Open is 2 months newer than Nemotron 3.5 Lightning (30B A3B).

Muse Spark Open

Oct 15, 2026

5 days ago

2mo newer
Nemotron 3.5 Lightning (30B A3B)

Aug 11, 2026

2 months ago

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

Provider Availability

Muse Spark Open is available from Together. Nemotron 3.5 Lightning (30B A3B) is available from DeepInfra.

Muse Spark Open

together logo
Together
Input Price:Input: $1.25/1MOutput Price:Output: $4.25/1M

Nemotron 3.5 Lightning (30B A3B)

deepinfra logo
Deepinfra
Input Price:Input: $0.08/1MOutput Price:Output: $0.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Muse Spark Open and Nemotron 3.5 Lightning (30B A3B) side-by-side, then vote on the output you prefer.

Muse Spark Open
✓ Preferred
Nemotron 3.5 Lightning (30B A3B)
Open in Playground

FAQ

Common questions about Muse Spark Open vs Nemotron 3.5 Lightning (30B A3B).

Which is better, Muse Spark Open or Nemotron 3.5 Lightning (30B A3B)?

Muse Spark Open leads the LLM Stats Score 44.9 to 22.1. Muse Spark Open is made by Meta and Nemotron 3.5 Lightning (30B A3B) 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 3.5 Lightning (30B A3B) 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 3.5 Lightning (30B A3B) scores PinchBench: 85.4%, MMLU-Pro: 81.9%, GPQA: 75.4%, IFBench: 71.9%, AA-LCR: 52.0%.

Is Muse Spark Open cheaper than Nemotron 3.5 Lightning (30B A3B)?

Nemotron 3.5 Lightning (30B A3B) is 15.6x cheaper for input tokens. Muse Spark Open costs $1.25/M input and $4.25/M output via together. Nemotron 3.5 Lightning (30B A3B) costs $0.08/M input and $0.20/M output via deepinfra.

What are the context window sizes for Muse Spark Open and Nemotron 3.5 Lightning (30B A3B)?

Muse Spark Open supports 1.0M tokens and Nemotron 3.5 Lightning (30B A3B) supports 262K 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 3.5 Lightning (30B A3B)?

Key differences include LLM Stats Score (44.9 vs 22.1), context window (1.0M vs 262K), input pricing ($1.25 vs $0.08/M), 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 3.5 Lightning (30B A3B)?

Muse Spark Open is developed by Meta and Nemotron 3.5 Lightning (30B A3B) is developed by NVIDIA.

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