Meta launches Muse Spark 1.1 coding AI model with API
Meta has released Muse Spark 1.1, an agentic AI model for coding, and opened the new Meta Model API to developers. This positions Meta in direct competition with OpenAI and Anthropic.

What happened?
On 10 July 2026, Meta launched Muse Spark 1.1, an agentic AI model optimised for coding tasks. Simultaneously, the Meta Model API was opened for general access, allowing developers to integrate the model into their applications. The launch follows months of internal testing with selected partners.
Key facts
| Lanseringsdatum | 10 juli 2026 |
|---|---|
| Modellnamn | Muse Spark 1.1 |
| Tillgänglighet | Via Meta Model API i USA |
| Huvudfokus | Kodning och agentiska arbetsflöden |
”Today we’re releasing Muse Spark 1.1 — a strong agentic and coding model at a very low price. It’s available through our new Meta Model API and in Meta AI.”
Why it matters
The launch marks Meta's entry into the commercial AI developer market, intensifying competition around powerful coding models. Muse Spark 1.1 is designed to write and debug code, interact with external tools, and handle multi-step tasks across various platforms such as desktop, mobile, and web. This meets a growing demand for AI capable of automating complex processes with minimal human intervention.
Who is affected?
Developers in the US can now experiment with the model and its API. Companies seeking AI solutions for code generation, automation, and multimodal interactions are the primary target audiences. OpenAI and Anthropic are directly affected by Meta's entry as a new player in their dominant market.
What else you should know
The model is also available within Meta's own AI platform.
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- Assess technical risk: model choice, vendor lock-in, data flow and running cost.
- Update the architecture doc if new APIs or regulations touch production.
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