Muse Spark Open
Meta · meta/muse-spark-open
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...
Muse Spark Open ranks #260 of 377 models in the default AI Benchmark Hub order (quality first, then cost). At $2.75 blended per million tokens, it is cheaper than 29% of models with published API pricing. Its 1,048,576-token context window is 4.0× the catalog median (262,144 tokens).
Context
Max output: 943718
Pricing
Output / 1M: 4.25
Blend / 1M: 2.75
Quality
Provider
Moderated: no
Monthly cost at this blended rate
Estimated API spend if every token is billed at $2.75per million (the blend of this model's input and output prices). Real bills depend on the input/output mix.
| Tokens / month | Est. cost (USD) |
|---|---|
| 1,000,000 | $2.75 |
| 10,000,000 | $27.50 |
| 100,000,000 | $275.00 |
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- Muse Spark 1.2 Contributor$0.15 / 1M
- Llama Guard 4 12B$0.18 / 1M
Closest API price
- Muse Spark 1.3$2.75 / 1M
- Muse Spark 1.2$2.75 / 1M
- Muse Spark 1.1$2.75 / 1M
- GPT Mini Latest$2.63 / 1M
- GPT-5.4 Mini$2.63 / 1M