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...
meta/muse-spark-openMuse Spark Open is an API model from Meta, released on Oct 15, 2026, with a context window of 1,048,576 tokens, pricing of $1.25 per million input tokens and $4.25 per million output tokens. It accepts audio, file, image, text, video input and produces text output.
At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.017.
Specs are sourced from OpenRouter and were last checked on Nov 3, 2026. Always confirm current pricing and limits with the provider before production use.
Muse Spark Open supports a context window of 1,048,576 tokens.
Muse Spark Open is listed at $1.25 per million input tokens and $4.25 per million output tokens on OpenRouter.
Muse Spark Open was published on Oct 15, 2026.
Muse Spark Open accepts audio, file, image, text, video input and produces text output.