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Model Services/Meta/Muse Spark Open
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Muse Spark Open

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Muse Spark Open is a coding-optimized open-weight model. Trained specifically for agentic coding workflows, it delivers higher first-attempt accuracy, reliable tool calling, and deep codebase understanding across the repos developers...

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Input, output, and cached rates with source and verification time, plus same-workload cost examples.
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Input / 1M tokens
$1.25
Output / 1M tokens
$4.25
Record updated 2026-10-26
Modality:LLM
Context:1,048,576 tokens
📊 Price Matrix🧮 Spend Calculator📢 ChangesModel pricing pageVendor API pricingCheck stack cost impact

Pricing

Platform
Scope
Input
Output
Details
OpenRouter
Unified API Router
Standard
$1.25
$4.25
1.0M context · 944k max output

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Latest changes

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Benchmarks

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⚡Muse Spark Open Comparisons & Scenario Guides

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❓Muse Spark Open Frequently Asked Questions

How much does Muse Spark Open cost per 1M tokens?▼

Muse Spark Open is priced at $1.25 per 1M input tokens and $4.25 per 1M output tokens, with cached input at $0.15/1M on openrouter. Check provider terms before deployment.

What is the context window for Muse Spark Open?▼

Muse Spark Open supports up to 1,048,576 tokens context with a max completion limit of 943,718 tokens.

What are cost-saving alternatives to Muse Spark Open?▼

ModelPriceLab automatically calculates cheaper alternatives in the same model class, showing monthly spend differences and migration guides.

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