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Nova Premier vs Muse Spark Open

At a glance

Amazon's most capable multimodal model for complex reasoning tasks.

1M ctx$2.50/$12.50 per M

Meta's strongest open-weight model, trained specifically for agentic coding workflows.

1.0M ctx$1.25/$4.25 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper60%
Specs
1M
Context
32K
Max output
Oct 2025
Released
1.0M
Context
256K
Max output
Oct 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$2.50/M tokens
Output$12.50/M tokens
Cache read$0.63/M tokens
Live pricing, shown before you run
Input50%$1.25/M tokens
Output66%$4.25/M tokens
Cache read76%$0.15/M tokens
Chat with Nova PremierGo to model
Chat with Muse Spark OpenGo to model
Frequently Asked Questions: Nova Premier vs Muse Spark Open▼

Which is better, Nova Premier or Muse Spark Open?

▼

Both Nova Premier and Muse Spark Open are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Nova Premier or Muse Spark Open?

▼

Muse Spark Open has a lower blended cost. Nova Premier: $2.50 input / $12.50 output. Muse Spark Open: $1.25 input / $4.25 output.

Which has a larger context window, Nova Premier or Muse Spark Open?

▼

Muse Spark Open has a larger context window: Nova Premier supports 1M tokens vs Muse Spark Open at 1M tokens.

Do both Nova Premier and Muse Spark Open support vision?

▼

Yes, both Nova Premier and Muse Spark Open support vision/image input.

What are the key differences between Nova Premier and Muse Spark Open?

▼

Key differences: only Muse Spark Open offers extended reasoning mode. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Nova Premier and Muse Spark Open for free on idapt.app to see which performs better for your specific needs.

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