MiniMax brings synchronized audio-video generation to Reactor's API

Reactor documents an SDK and API workflow for FastH3-Omni, with five accepted clip lengths from 5.875 to 14.375 seconds at 24 frames per second. MiniMax says the model generates synchronized audio and video from one prompt; the available documentation provides no Omni-specific price or independent quality results.

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Primary source: MiniMax

Why it matters

FastH3-Omni brings MiniMax's video-and-audio generation into a developer API, testing whether one model can replace parts of the separate footage and sound workflow. Its value will depend on output quality, latency and price; the available Omni documentation does not establish those performance or cost figures.

MiniMax adds synchronized audio to FastH3 video generation on Reactor — Reactor's API supports 5-to-15-second clips at 24 frames per second; MiniMax says its distilled H3 model generates video and audio together.

MiniMax, led by founder and CEO Yan Junjie, is pitching FastH3-Omni as video with synchronized audio from a single prompt. MiniMax posted about the release on October 13th. Reactor's FastH3-Omni documentation provides a public SDK quick-start and API workflow for queuing clips and sending separate video and audio tracks.…

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