Muse Spark 1.3 promises to complete complex software development tasks with fewer tokens and tool calls while keeping the same per-token pricing as its predecessor.

Compare Meta Muse Spark 1.2 and xAI Grok 4.6: SWE-bench coding benchmarks, 256K context handling, tool calling schemas, and developer workflows.

Meta Superintelligence Labs releases Muse Spark 1.3 with 20% fewer tool calls and 25% lower token usage, accelerating its AI coding agent