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Muse Spark Open vs Nova 2 Pro

Muse Spark Open leads the LLM Stats Score 44.9 to 30.6.

Meta · Amazon · Updated for 2026

Which is better?

Muse Spark Open leads the overall LLM Stats Score 44.9 to 30.6, ranking #43 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 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 1 of 1 exact shared results
  • you want the most recent training data — it shipped Oct 2026
  • you need open weights you can self-host or fine-tune

Choose Nova 2 Pro

  • you are already invested in the Amazon ecosystem

At a glance

The differences that matter most.

Muse Spark Open
Meta
Nova 2 Pro
Amazon
Core performance indexes
LLM Stats Score
44.9
#43
30.6
#138
Reasoning
45.2
#39
30.5
#136
Coding
33.0
#42
19.1
#126
Agents
30.6
#43
12.0
#127
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

4 shared
Index
Muse Spark Open
Nova 2 Pro
Math
31.6#69
25.9#112
Vision
31.2#34
12.2#121
Tool use
23.3#44
15.1#108
Multimodal
33.1#20
9.5#136
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

17 reported for Muse Spark Open · 18 for Nova 2 Pro

1 shared

Muse Spark Open outperforms in 1 benchmarks (GPQA), while Nova 2 Pro 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

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
Amazon
Nova 2 Pro
Input- tokens
Output- tokens
Mon Oct 19 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Muse Spark Open and Nova 2 Pro support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Muse Spark Open

Text
Images
Audio
Video

Nova 2 Pro

Text
Images
Audio
Video

License

Usage and distribution terms

Muse Spark Open is licensed under Muse Model License, while Nova 2 Pro uses a proprietary license.

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

Muse Spark Open

Muse Model License

Open weights

Nova 2 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Muse Spark Open was released on 2026-10-15, while Nova 2 Pro was released on 2025-12-02.

Muse Spark Open is 11 months newer than Nova 2 Pro.

Muse Spark Open

Oct 15, 2026

4 days ago

10mo newer
Nova 2 Pro

Dec 2, 2025

10 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

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Muse Spark Open and Nova 2 Pro side-by-side, then vote on the output you prefer.

Muse Spark Open
✓ Preferred
Nova 2 Pro
Open in Playground

FAQ

Common questions about Muse Spark Open vs Nova 2 Pro.

Which is better, Muse Spark Open or Nova 2 Pro?

Muse Spark Open leads the LLM Stats Score 44.9 to 30.6. Muse Spark Open is made by Meta and Nova 2 Pro is made by Amazon. 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 Nova 2 Pro 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%. Nova 2 Pro scores Tau2 Telecom: 92.7%, AIME 2025: 92.3%, ScreenSpot: 88.1%, LongCodeBench: 84.0%, MMLU-Pro: 81.6%.

What are the context window sizes for Muse Spark Open and Nova 2 Pro?

Muse Spark Open supports 1.0M tokens and Nova 2 Pro 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 Nova 2 Pro?

Key differences include LLM Stats Score (44.9 vs 30.6), licensing (Muse Model License vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Muse Spark Open and Nova 2 Pro?

Muse Spark Open is developed by Meta and Nova 2 Pro is developed by Amazon.

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