sync.
sync.

react-1

Video performance editing from audio or written direction

Video to VideoAudio to Video

react-1 Overview

react-1 is a video performance editing model designed for post-production direction without reshoots. It modifies acting and emotional delivery within existing footage while preserving identity and visual continuity, enabling directors to reshape performances using audio or written guidance.

From $0.1467/ video

Save on average 12% vs the market

Per second of audio$0.1467

Commercial use

More models from sync.

sync-3 is a lip synchronization model that processes entire shots as a single generation rather than stitching independent segments. It builds a global understanding of the speaker across all frames, enabling consistent output on close-ups, extreme face angles, partially obscured faces, and obstructed mouths. The model preserves the original speaker's style, cadence, and emotional expression across 95+ languages.

lipsync-2-pro

Api Only

lipsync-2-pro extends lipsync-2 with diffusion-based enhancement for studio-grade lip synchronization. It preserves fine facial details such as teeth, facial hair, and micro-expressions while supporting high-resolution output suitable for professional post-production workflows.

lipsync-2

Api Only

lipsync-2 is a zero-shot lip synchronization model that aligns spoken audio to existing video while preserving the speaker’s identity and natural speaking style. It works across live-action, animation, and AI-generated footage without training or fine-tuning.