Meta launches new AI coding tool powered by Muse Spark 1.2

August 5, 2026 5:29 PM EDT

FILE PHOTO: A 3D-printed Meta logo and word "AI" are seen in this illustration created on July 20, 2026. REUTERS/Dado Ruvic/Illustration/File Photo

Aug 5 (Reuters) - Meta ‌Platforms on ​Wednesday ​launched Muse Code, a coding tool powered by its latest AI model, Muse ‌Spark 1.2, designed to help developers write and ⁠debug software.

The launch highlights the social media giant's push ‌into AI-powered coding tools, where ‌it competes with Anthropic's Claude and OpenAI's Codex amid a broader race to monetize AI ​assistants.

Muse Code can write code and verify results, and has been trained to handle long, ⁠complex coding projects while also running multiple sub-agents simultaneously to speed ​up difficult tasks, the company said.

Meta also said it trained Muse Spark 1.2 and ​Muse Code together to operate ‌smoothly as a pair.

Launched in beta, Muse Code keeps a log of its ⁠actions, so it can pick up where it left off after a crash rather than start over, the ⁠company said.

Developers can access Muse Code through a pay-as-you-go ​plan, with the standard tier priced at $1.25 per million input tokens and $4.25 per million output tokens.

The launch comes nearly a ‌month after Meta introduced Muse Spark 1.1 for developer testing, with the ‌earlier model used to generate and evaluate difficult ⁠coding challenges that helped ‌improve Muse Spark ​1.2's ability to follow complex instructions.

(Reporting by Anhata Rooprai in Bengaluru; Editing by Diti ‌Pujara)



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