Muse Spark 1.1 is Meta's flagship proprietary multimodal frontier model developed by Meta Superintelligence Labs (MSL). Designed for complex reasoning and agentic tasks, it can actively manage a 1-million-token context window, orchestrate multi-agent systems, and natively process text, image, video, and audio inputs. It excels at long-horizon software development, tool use, and computer-use workflows.

Muse Spark 1.2 is a proprietary coding-focused frontier model developed by Meta Superintelligence Labs. Co-trained specifically with the Muse Code terminal agent, it features significant improvements in code generation, complex debugging, codebase understanding, and end-to-end developer workflows. It leverages planning, goal conditioning, and context compaction to sustain progress on long-horizon tasks like whole-repository generation and GPU kernel optimization.

Model	Category	Input	Output	Context	Pricing
muse-spark-1.1 893fece2efe6427b8f265926df59302c	text	text, image, audio, video	text	1M	$1.250 in / $4.250 out
muse-spark-1.2 902a79f4b3ec40ed837b776b6dab04e0	text	text, image, audio, video	text	1M	$1.250 in / $4.250 out

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