Muse Spark Open vs Nova Pro
Muse Spark Open leads the LLM Stats Score 44.9 to 11.9. Nova Pro is 1.4x cheaper per token.
Meta · Amazon · Updated for 2026
Which is better?
Muse Spark Open leads the overall LLM Stats Score 44.9 to 11.9, 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.
On price, Nova Pro is roughly 1.4x 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 1 of 1 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
- you need open weights you can self-host or fine-tune
Choose Nova Pro
- cost matters — it's about 1.4x cheaper per token
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
17 reported for Muse Spark Open · 27 for Nova Pro
Muse Spark Open outperforms in 1 benchmarks (GPQA), while Nova Pro is better at 0 benchmarks.
Muse Spark Open significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Muse Spark Open ($1.25/1M tokens) is 1.6x more expensive than Nova Pro ($0.80/1M tokens).
For output processing, Muse Spark Open ($4.25/1M tokens) is 1.3x more expensive than Nova Pro ($3.20/1M tokens).
In conclusion, Muse Spark Open is more expensive than Nova Pro.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Muse Spark Open accepts 1,048,576 input tokens compared to Nova Pro's 300,000 tokens. Muse Spark Open can generate longer responses up to 1,048,576 tokens, while Nova Pro is limited to 300,000 tokens.
Input capabilities
Documented input modalities across available providers
Both Muse Spark Open and Nova Pro support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Muse Spark Open
Nova Pro
License
Usage and distribution terms
Muse Spark Open is licensed under Muse Model License, while Nova Pro uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
Muse Model License
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Muse Spark Open was released on 2026-10-15, while Nova Pro was released on 2024-11-20.
Muse Spark Open is 23 months newer than Nova Pro.
Oct 15, 2026
2 days ago
1.9yr newerNov 20, 2024
1.9 years ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Muse Spark Open is available from Together. Nova Pro is available from Bedrock.
Muse Spark Open
Nova Pro
Outputs Comparison
Judge for yourself.
Run your own prompts against Muse Spark Open and Nova Pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about Muse Spark Open vs Nova Pro.