meta/muse-spark-1.2Muse Spark 1.2 is Meta AI’s proprietary AI model, released Aug 5, 2026. It costs $1.25/M input and $4.25/M output tokens, and handles a 1M-token context window. Its strongest use case is coding, where it ranks in the 77th percentile of the models Model Beat tracks.
Muse Spark 1.2 is a reasoning model from Meta, designed for complex agentic tasks.
Scores on standardized evaluations. Higher is better — and rank shows where Muse Spark 1.2 lands among all models tracked on Model Beat.
Graduate-level scientific reasoning
Frontier of human expert knowledge
Common-sense trick questions
Factual accuracy & hallucination
Novel ML problem-solving
Scientific research coding
Human-rated web development
Multi-step agentic tasks
Muse Spark 1.2 is a reasoning model from Meta, designed for complex agentic tasks.
Muse Spark 1.2 is an AI model developed by Meta AI, released Aug 5, 2026.
Muse Spark 1.2's list price from Meta AI is $1.25 per million input tokens and $4.25 per million output tokens.
Muse Spark 1.2 supports a context window of up to 1M tokens.
On standardized evaluations tracked by Epoch AI, Muse Spark 1.2 scores 57.4% on SciCode, 45.5% on Humanity's Last Exam, 74.5% on SimpleBench.
Muse Spark 1.2 is a proprietary model (API access), available through its provider's API rather than as a downloadable open-weight model.
Benchmark data from Epoch AI (CC BY) and Artificial Analysis; pricing, specs & descriptions from OpenRouter. Data updated Oct 6, 2026.