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Meta says its new AI model is ready to compete on coding

Muse Spark 1.1 is available to US developers through a public API preview.

Muse Spark 1.1 is available to US developers through a public API preview.

by Dominic Preston and Hayden FieldJul 9, 2026, 2:00 PM UTC

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**Illustration by Nick Barclay / The VergeAfter reentering the AI race with its first in-house Muse Spark model in April, Meta is now opening up the doors to developers with a new model that can plug into AI coding software with the new Meta Model API.

Meta says that Muse Spark 1.1 is a “step-change” from the first generation, with improvements based on feedback from developers. The company says it’s capable of more advanced coding, including detection and fixing of complex bugs; better supports end-to-end agentic workflows across a range of apps, including multi-agent systems; and has native multimodal perception across images, videos, and documents.

The Muse Spark 1.1 launch follows this week’s launch of Muse Image, an image generation model that’s proved controversial for its ability to incorporate other users’ Instagram content into its generations. It’s part of Meta’s race to justify the billions it’s spent on catching up in the AI competition and attempting to achieve parity with companies like OpenAI, Google, and Anthropic, especially after a slew of high-profile hires and a company restructuring last year.

The new 1.1 model is available now in Thinking mode through the Meta AI app and Meta AI website. It will also be accessible through a new Meta Model API, available from today in public preview for US developers. Meta is including $20 worth of free credits with every new Meta Model API account. Muse Spark was initially only available directly through Meta AI, before eventually powering the chatbots inside Instagram and WhatsApp, and the latest Meta smart glasses.

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