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Muse Spark 1.3 vs Nova 2 Pro

Muse Spark 1.3 leads the LLM Stats Score 55.3 to 31.0.

Meta · Amazon · Updated for 2026

Which is better?

Muse Spark 1.3 leads the overall LLM Stats Score 55.3 to 31.0, ranking #5 overall.

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

Choose Muse Spark 1.3

  • overall performance matters — it scores 55.3 and ranks #5 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

Choose Nova 2 Pro

  • you are already invested in the Amazon ecosystem

At a glance

The differences that matter most.

Muse Spark 1.3
Meta
Nova 2 Pro
Amazon
Core performance indexes
LLM Stats Score
55.3
#5
31.0
#107
Reasoning
52.8
#7
31.0
#106
Coding
41.7
#10
19.7
#97
Agents
40.4
#4
12.4
#95
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.10 / M
— / M
Output price
$0.20 / M
— / M
Context window
1,048,576
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Muse Spark 1.3
Nova 2 Pro
Tool use
35.5#2
16.9#77
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

11 reported for Muse Spark 1.3 · 18 for Nova 2 Pro

No common benchmarks found

Muse Spark 1.3 and Nova 2 Prodon'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 1.3 specifies input context (1,048,576 tokens). Only Muse Spark 1.3 specifies output context (943,718 tokens).

Meta
Muse Spark 1.3
Input1,048,576 tokens
Output943,718 tokens
Amazon
Nova 2 Pro
Input- tokens
Output- tokens
Fri Sep 04 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Muse Spark 1.3 and Nova 2 Pro support multimodal inputs.

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

Muse Spark 1.3

Text
Images
Audio
Video

Nova 2 Pro

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Muse Spark 1.3

Proprietary

Closed source

Nova 2 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Muse Spark 1.3 was released on 2026-09-02, while Nova 2 Pro was released on 2025-12-02.

Muse Spark 1.3 is 9 months newer than Nova 2 Pro.

Muse Spark 1.3

Sep 2, 2026

2 days ago

9mo newer
Nova 2 Pro

Dec 2, 2025

9 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?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Muse Spark 1.3 and Nova 2 Pro side-by-side, then vote on the output you prefer.

Muse Spark 1.3
✓ Preferred
Nova 2 Pro
Open in Playground

FAQ

Common questions about Muse Spark 1.3 vs Nova 2 Pro.

Which is better, Muse Spark 1.3 or Nova 2 Pro?

Muse Spark 1.3 leads the LLM Stats Score 55.3 to 31.0. Muse Spark 1.3 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 1.3 compare to Nova 2 Pro in benchmarks?

Muse Spark 1.3 scores MRCR v2 (8-needle): 98.5%, MRCR v2 (8-needle, 512K-1M): 98.1%, DeepSearchQA: 89.4%, Terminal-Bench 2.1: 88.8%, DeepSWE 1.1: 75.4%. 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 1.3 and Nova 2 Pro?

Muse Spark 1.3 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 1.3 and Nova 2 Pro?

Key differences include LLM Stats Score (55.3 vs 31.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Muse Spark 1.3 and Nova 2 Pro?

Muse Spark 1.3 is developed by Meta and Nova 2 Pro is developed by Amazon.

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