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Muse Spark Open vs Nova 2 Omni

Muse Spark Open leads the LLM Stats Score 44.9 to 25.6.

Meta · Amazon · Updated for 2026

Which is better?

Muse Spark Open leads the overall LLM Stats Score 44.9 to 25.6, ranking #43 overall.

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 agents — it leads those capability indexes
  • 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 Omni

  • you are already invested in the Amazon ecosystem

At a glance

The differences that matter most.

Core performance indexes
44.9
#43
25.6
#176
45.2
#39
27.9
#153
30.6
#43
4.8
#171
Cost, coverage & limits
Benchmark wins
—
—
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 Omni
31.6#69
25.1#120
31.2#34
7.2#161
23.3#44
15.0#109
33.1#20
8.5#141
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

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

No common benchmarks found

Muse Spark Open and Nova 2 Omnidon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

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 Omni
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 Omni 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 Omni

Text
Images
Audio
Video

License

Usage and distribution terms

Muse Spark Open is licensed under Muse Model License, while Nova 2 Omni 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 Omni

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

Muse Spark Open

Oct 15, 2026

4 days ago

10mo newer
Nova 2 Omni

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 Omni side-by-side, then vote on the output you prefer.

Muse Spark Open
✓ Preferred
Nova 2 Omni
Open in Playground

FAQ

Common questions about Muse Spark Open vs Nova 2 Omni.

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

Muse Spark Open leads the LLM Stats Score 44.9 to 25.6. Muse Spark Open is made by Meta and Nova 2 Omni 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 Omni 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 Omni scores AIME 2025: 92.1%, RefCOCOg: 86.3%, ScreenSpot: 85.4%, MMLU-Pro: 80.7%, Tau2 Telecom: 80.0%.

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

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

Key differences include LLM Stats Score (44.9 vs 25.6), licensing (Muse Model License vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Muse Spark Open and Nova 2 Omni?

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