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Meta launches new AI coding tool powered by Muse Spark 1.2

By Thomson Reuters Aug 5, 2026 | 4:29 PM

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)