Sync Labs

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Score6.9

Rank#5 of 27

From$5/mo

Free planYes

Free trialYes

Runs onAPI, Web

Summary

Sync Labs provides an AI lip-sync API that generates matched mouth movements from video and audio. It offers models including lipsync-1.9, lipsync-2, lipsync-2-pro, react-1 and sync-3. The listed output options include 512×512 face resolution for lipsync-2 and lipsync-2-pro, and native 4K for sync-3. Models work from audio waveforms rather than text and support spoken languages including Mandarin and Thai. Use cases named by the company range from dubbing and localization to e-learning, marketing, entertainment, media and gaming. Developers can use the REST API and official Python and TypeScript SDKs. Documented integrations include Adobe Premiere, DaVinci Resolve, ChatGPT, an MCP server, ComfyUI and ElevenLabs. Inputs include MP4 video and WAV or MP3 audio, provided by public URL, direct API upload or media-library asset ID. Sync Labs offers a free plan and free trial; paid plans start at 5.00 USD per month, with usage charges also listed for paid tiers. The free plan includes three generations per month, each up to 20 seconds, and no credit card is required.

Who it is for

It suits developers and creators working on video dubbing, localization, or other lip-synced content. The API, SDKs, and listed editing and AI integrations may fit teams building these capabilities into workflows.

What is good

Free plan includes three monthly generations.
REST API and Python and TypeScript SDKs.
Supports MP4, WAV and MP3 inputs.
Sync-3 lists native 4K output.
Watermark verification can identify modified videos.

What to know first

Free plan limits generations and duration.
Paid tiers add per-second usage charges.
Privacy policy allows use of content to develop AI models.

Verdict

Sync Labs combines API-based lip-sync generation with several models, audio formats, SDKs and documented integrations. Review the generation limits, usage charges and content privacy terms when deciding whether it fits your workflow.

Sync Labs plans and pricing

All plans

Free Free 3 free generations/month (max 20 seconds each) · 10 text-to-speech generations · max 1 Sync 3 generation/month (15-second limit) · no credit card required sync.so · 30 Sept 2026

Hobbyist $5/mo $5/month + $0.05/sec videos up to 1 min · 1 concurrent job · up to 3 voice clones · API access + SDKs · Lipsync Studio · Community Support sync.so · 30 Sept 2026

Creator $19/mo $19/month + $0.05/sec videos up to 5 min · 3 concurrent jobs · up to 5 voice clones · own text-to-speech API key · Active Speaker Detection · no watermark sync.so · 30 Sept 2026

Growth $49/mo $49/month + $0.0475/sec videos up to 10 min · 6 concurrent jobs · up to 15 voice clones · 5% usage discount · 3 team seats · additional seats $25/mo sync.so · 30 Sept 2026

Scale $249/mo $249/month + $0.04/sec videos up to 30 min · 15 concurrent jobs · up to 50 voice clones · 20% usage discount · 5 team seats · delegated support channel · Batch API sync.so · 30 Sept 2026

Compared on AI video lip sync tools

Free plan: Yessync.so
Paid from: $5/mosync.so
Supported languages: 29 languagessync.so
Maximum video length: 1 min/videosync.so
Voice cloning: Yessync.so
API access: Yessync.so
Output resolution: 4ksync.so
Watermark-free output: Yessync.so

Facts

Product: Sync Labs provides an AI lip-sync API that generates matched lip movements from video and audio inputs.sync.so · 30 Sept 2026
Use cases: The company describes use cases including video dubbing, content localization, personalized video messaging, e-learning, marketing, entertainment, media, and gaming.sync.so · 30 Sept 2026
Models: Its listed models include lipsync-1.9, lipsync-2, lipsync-2-pro, react-1, and sync-3.sync.so · 30 Sept 2026
Languages: The docs say the models operate on audio waveforms rather than text and support spoken languages including tonal languages such as Mandarin and Thai.sync.so · 30 Sept 2026
Developer tools: Sync Labs offers a REST API and official Python and TypeScript SDKs.sync.so · 30 Sept 2026
Integrations: Documented integrations include Adobe Premiere, DaVinci Resolve, ChatGPT, an MCP server, ComfyUI, and ElevenLabs.sync.so · 30 Sept 2026
Batch limit: The introduction says batch processing supports up to 500 generations per batch on Scale+ plans.sync.so · 30 Sept 2026
Media input: The docs list MP4 video and WAV or MP3 audio inputs, supplied by public URL, direct API upload, or media-library asset ID.sync.so · 30 Sept 2026
Watermark verification: The homepage says its proprietary watermarking technology can verify whether a video was modified using Sync Labs technology.sync.so · 30 Sept 2026
Privacy: The privacy policy says uploaded or generated user content may include photos, videos, and text, and that personal information may be used to develop, train, and fine-tune AI models.sync.so · 30 Sept 2026
Support: Hobbyist includes Community Support, while Scale includes a delegated support channel.sync.so · 30 Sept 2026
Company: The site identifies the maker as Synchronicity Labs, Inc. and lists an address in San Francisco, California.sync.so · 30 Sept 2026