OpenRouter exposes Muse Spark 1.3 through model ID meta/muse-spark-1.3. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.
Last refreshed 2026-09-02. Next refresh: weekly.
Quick Start
- 1
- 2Use the OpenRouter SDK or REST API to call
meta/muse-spark-1.3— see the documentation for request format. - 3
Code Examples
Pricing on OpenRouter
| Type | Price (per 1M) |
|---|---|
| Input tokens | $1.25 |
| Output tokens | $4.25 |
Capabilities
About Muse Spark 1.3
Muse Spark 1.3 is Meta Superintelligence Labs' latest Muse Spark checkpoint, released September 2, 2026. Official Meta Model API model ID: muse-spark-1.3. First-party models docs: the latest version, recommended for new work, tuned for agentic workflows (multi-step tool, browser, and long-horizon tasks) with improved coding over 1.2; default model in docs examples. Product line (dev.meta.ai): Built for long-horizon coding and agentic work. Cleaner code, fewer tokens. First-party research post: rolling out today in Muse Code and Meta Model API; previously available reasoning modes available today with max reasoning coming shortly after additional safety testing.