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Checked Active: 2026-10-15
Meta
Muse Spark 1.3
Meta's hosted flagship, tuned for agentic workflows (multi-step tool, browser and long-horizon tasks), with text, image, video, audio and PDF input.
Evaluation Analysis: Cached input $0.15. A cheaper Contributor mode ($0.10 in, $0.20 out) lets Meta use your prompts and outputs for training.
Context Window1,048,576 tokens
Input Price / 1M$1.25
Output Price / 1M$4.25
Release Date2026
Specs and prices checked 2026-10-15 against the official page.