Yet more evidence that the most important characteristic of any model these days is long-sequence agentic tool calling. Meta shipped their own coding agent as part of getting that to …

Meta launches AI coding agent Muse Spark 1.1, challenging Anthropic and OpenAI. Anthropic has best AI model by September 2026 at 87.5% YES.

Meta's Muse Code runs in your terminal, coordinates subagents, and survives crashes—but lags behind on the benchmarks that matter.

Muse Code showcases Muse Spark's fresh software engineering chops