CHAMELAION LipSync API From €0.33/mo · Free plan 9.1 Visit Sync Labs
sync.so
What it is
Sync Labs provides an AI lip-sync API that generates mouth movements matched to video and audio. Its listed models include lipsync-1.9, lipsync-2, lipsync-2-pro, react-1, and sync-3. The introduction lists 512×512 face resolution for lipsync-2 and lipsync-2-pro, and native 4K for sync-3. The models use audio waveforms rather than text and support 29 spoken languages, including tonal languages such as Mandarin and Thai. Use cases include dubbing, localization, personalized video messaging, e-learning, marketing, entertainment, media, and gaming. Developers can use a 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, API upload, or media-library asset ID. The free plan provides 3 generations per month, each up to 20 seconds, and no credit card is required. Hobbyist costs $5 a month plus $0.05/sec; paid plans also list usage charges. The service is available via API and web.
Spec sheet
- What it does
- Sync Labs generates lip-synced video from video or image input plus audio or text through Studio and a REST API.Read 21 Oct 2026 · sync.so
- Product
- Sync Labs provides an AI lip-sync API that generates matched lip movements from video and audio inputs.Read 30 Sep 2026 · sync.so
- Integrations
- Listed integrations include Adobe Premiere, DaVinci Resolve, ChatGPT, an MCP server, ComfyUI and ElevenLabs.Read 21 Oct 2026 · sync.so
- Privacy
- The privacy policy says Sync collects contact and account information and uses Google Analytics for usage reporting.Read 21 Oct 2026 · sync.so
- Support
- Hobbyist includes Community Support, while Scale includes a delegated support channel.Read 30 Sep 2026 · sync.so
- License
- Sync Labs is presented as a hosted commercial service; its product documentation does not identify an open-source license for the service.Read 21 Oct 2026 · sync.so
- Company
- The site identifies the maker as Synchronicity Labs, Inc. and lists an address in San Francisco, California.Read 30 Sep 2026 · sync.so
- API limitation
- The TypeScript SDK is documented as server-side only because browser use would expose the API key.Read 21 Oct 2026 · sync.so
- Batch limit
- The introduction says batch processing supports up to 500 generations per batch on Scale+ plans.Read 30 Sep 2026 · sync.so
- Batch processing
- The API supports batches of up to 500 generations on Scale-plus plans.Read 21 Oct 2026 · sync.so
- Browser support
- Studio is officially tested on current Chrome, Firefox, Safari and Edge releases on Windows, macOS, Android and iOS/iPadOS.Read 21 Oct 2026 · sync.so
- Changelog update
- On September 30, 2026 Sync added generation time estimates, background Studio Lite processing and API re-downloads without regenerating.Read 21 Oct 2026 · sync.so
- Company facts
- LinkedIn lists Sync Labs as privately held, founded in 2023, headquartered in San Francisco and sized at 11–50 employees.Read 21 Oct 2026 · linkedin.com
- Company founders
- Crunchbase lists Pavan Reddy, Prady Modukuru, Prajwal K R and Rudrabha Mukhopadhyay as founders.Read 21 Oct 2026 · crunchbase.com
- Company legal name
- Crunchbase identifies the legal entity as synchronicity labs inc. and lists it as active and for-profit.Read 21 Oct 2026 · crunchbase.com
- Developer tools
- Sync Labs offers a REST API and official Python and TypeScript SDKs.Read 30 Sep 2026 · sync.so
- Dialogue editing
- Sync describes dialogue editing that rewrites spoken lines after filming and re-syncs the speaker without a reshoot.Read 21 Oct 2026 · sync.so
- Funding profile
- Dealroom reports a $24–36 million enterprise-value estimate and identifies the company as a Y Combinator Winter 2024 startup.Read 21 Oct 2026 · app.dealroom.co
- Hosted service
- The developer documentation directs users to Sync's hosted API and does not describe self-hosting or on-premises deployment.Read 21 Oct 2026 · sync.so
- Independent profile
- Dealroom describes Sync Labs as a real-time lip-sync API company launched in 2023 with a San Francisco headquarters and 11–50 employees.Read 21 Oct 2026 · app.dealroom.co
- 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.Read 30 Sep 2026 · sync.so
- Limit: Clutch reviewer criticism
- One Clutch review summary identifies speed of execution and turnaround time as an area for improvement.Read 21 Oct 2026 · clutch.co
- 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.Read 30 Sep 2026 · sync.so
- Models
- The documentation lists lipsync-1.9, lipsync-2, lipsync-2-pro, react-1 and sync-3.Read 21 Oct 2026 · sync.so
- OpenAPI
- Sync publishes an OpenAPI 3.1 specification at sync.so/openapi.json.Read 21 Oct 2026 · sync.so
- Operational limitation
- Sync's troubleshooting guide says generations can remain pending during infrastructure issues and advises contacting support when they exceed ten minutes.Read 21 Oct 2026 · sync.so
- Output resolution
- The introduction lists 512×512 face resolution for lipsync-2 and lipsync-2-pro and native 4K for sync-3.Read 30 Sep 2026 · sync.so
- Praise: Clutch reviewers
- Clutch's review summary repeatedly mentions high-quality work, timely delivery, collaboration and willingness to exceed expectations.Read 21 Oct 2026 · clutch.co
- Public code
- Sync's GitHub organization publishes public SDK, examples, documentation and ComfyUI repositories.Read 21 Oct 2026 · github.com
- Rating on Clutch
- 5.0 out of 5 from 3 reviewsRead 21 Oct 2026 · clutch.co
- REST API
- The public API is RESTful at https://api.sync.so/v2 and includes generation, asset, model, cost-estimate, batch and healthcheck endpoints.Read 21 Oct 2026 · sync.so
- SDK requirements
- The Python SDK requires Python 3.8 or newer and the TypeScript SDK requires Node.js 18 or newer.Read 21 Oct 2026 · sync.so
- SDKs
- Official Python and TypeScript SDKs provide typed generation, polling, asset, batch and cost-estimation methods.Read 21 Oct 2026 · sync.so
- TypeScript SDK runtime support
- The public TypeScript SDK repository lists Node.js 18+, Vercel, Cloudflare Workers, Deno, Bun and React Native runtimes.Read 21 Oct 2026 · github.com
- Use cases
- The company describes use cases including video dubbing, content localization, personalized video messaging, e-learning, marketing, entertainment, media, and gaming.Read 30 Sep 2026 · sync.so
- Visual dubbing
- The service supports multilingual visual dubbing by matching facial movements to replacement audio while preserving the performance.Read 21 Oct 2026 · sync.so
- Watermark verification
- The homepage says its proprietary watermarking technology can verify whether a video was modified using Sync Labs technology.Read 30 Sep 2026 · sync.so
- Webhooks
- The API documentation describes webhooks for real-time asynchronous job status notifications.Read 21 Oct 2026 · sync.so
- YC facts
- Y Combinator lists Sync in Winter 2024, founded in 2023, active, located in San Francisco and with a team size of 13.Read 21 Oct 2026 · ycombinator.com
Plans and prices
Free Free 3 lip-sync generations/month · 20 seconds each (15 seconds for sync-3) · 10 combined text-to-speech/dubbing generations · no credit card Read 21 Oct 2026 · sync.so
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 Read 30 Sep 2026 · sync.so
Hobbyist $5 a month $5/month + $0.05/sec 1-minute videos · 1 concurrent job · 3 voice clones · API and SDKs · watermark Read 21 Oct 2026 · sync.so
Creator $19 a month $19/month + $0.05/sec 5-minute videos · 3 concurrent jobs · 5 voice clones · own TTS API key · active speaker detection · no watermark Read 21 Oct 2026 · sync.so
Growth $49 a month $49/month + $0.0475/sec 10-minute videos · 6 concurrent jobs · 15 voice clones · 5% usage discount · 3 team seats · extra seats $25/month Read 21 Oct 2026 · sync.so
Scale $249 a month $249/month + $0.04/sec 30-minute videos · 15 concurrent jobs · 50 voice clones · 20% usage discount · 5 team seats · delegated support · Batch API Read 21 Oct 2026 · sync.so
Enterprise Priced on request Talk to Sales Custom terms and limits Read 21 Oct 2026 · sync.so
Strong points and limits
Strong points
- REST API and official Python and TypeScript SDKs
- Supports 29 spoken languages
- Native 4K listed for sync-3
- Free plan requires no credit card
Limits
- Free plan allows 3 generations monthly
- Free generations are limited to 20 seconds each
- Hobbyist adds $0.05/sec to $5.00 USD monthly
Who it suits
It suits developers and teams creating dubbed, localized, or personalized video, as well as e-learning, marketing, media, and entertainment projects. The free plan is limited to 3 monthly generations of up to 20 seconds each.
Verdict
Sync Labs specifies its model options, media inputs, integrations, and several resolution details. Check the generation limits and usage charges against your expected workload.
Where Specifiction places it
- AI Video Lip Sync Tools#3 of 288.8
