Meta Muse Code agent challenges Anthropic and OpenAI with cheaper pricing

Meta has stepped directly into the fight for AI-assisted software development, rolling out a beta version of a new tool built to go head-to-head with Anthropic’s Claude Code and OpenAI’s Codex. The Meta Muse Code agent is the company’s first dedicated coding assistant, and it arrives at a moment when Meta is under pressure to show that its massive AI spending can actually generate revenue.
Key takeaways
- Meta launched Muse Code in beta, a terminal-based coding agent built to compete with Claude Code and OpenAI Codex.
- The tool runs on Muse Spark 1.2, a coding-focused model trained alongside Muse Code itself.
- Muse Code can plan, write and validate code, while coordinating persistent subagents that stay active for an entire session.
- In one test, the system optimized Nvidia Hopper GPU kernels through more than 1,000 tool calls across sessions lasting up to 24 hours.
- Access starts with pay-as-you-go pricing matching Muse Spark 1.1 rates, alongside a cheaper contributor tier for developers who opt in to data sharing.
Meta launches Muse Code beta to challenge AI coding rivals
Muse Code is Meta’s answer to a market that Anthropic and OpenAI have largely defined so far. The agent lets developers install a single command-line tool and then hand off complete software engineering tasks, from planning changes to writing and checking code, without switching between separate applications.
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