Sync Labs
Developer-first AI lipsync API with SDKs and a Wav2Lip pedigree
Overview
Sync Labs (sync.so) provides an API and web studio for matching lip movements to new audio or text, used for dubbing, localization and personalized video. Five model tiers trade off speed and fidelity, with lipsync-2-pro built for film and ad work requiring 4K accuracy.
Pricing
Pricing shown for reference only. These figures reflect RECATOOLS research as of 12 Jul 2026 and may be out of date or incomplete. This is not financial or purchasing advice — always confirm the current price on the provider’s official website before making any decision.
- Videos up to 1 min
- 1 concurrent job
- 3 voice clones
- API access + SDKs
- Videos up to 5 min
- 3 concurrent jobs
- 5 voice clones
- No watermark
- Videos up to 10 min
- 6 concurrent jobs
- 15 voice clones
- 3 team seats, batch API
- Videos up to 30 min
- 15 concurrent jobs
- 50 voice clones
- 20% usage discount, 5 team seats
- Custom pricing and limits
- Dedicated support
What you can produce with Sync Labs
- Five lipsync models (lipsync-2, lipsync-2-pro, sync-3, react-1) trading speed for fidelity
- 4K output support on lipsync-2-pro
- Official Python and TypeScript SDKs
- Webhook-based async API for pipeline integration
- Zero-shot lipsync — no per-speaker training required
- Web-based Lipsync Studio for non-engineers
- Voice cloning (tier-dependent clone limits)
ASEAN Perspective
Sync Labs in Southeast Asia
ASEAN-region availability and pricing notes coming soon. Drop the editorial team a note via /contact/ if you can supply local context (Singapore/Malaysia/Indonesia/Thailand/Vietnam).
Sync Labs' pitch is precision over volume: five lipsync models ranging from a fast default to lipsync-2-pro, a diffusion-based model built for 4K facial detail in film and ad work. The team's Wav2Lip lineage — the open-source research project that kickstarted commercial lipsync — gives it more technical credibility than most dubbing startups, and it shows in the API design: official Python and TypeScript SDKs, webhooks, and documentation reviewers consistently rate above competitors. Pricing is pay-per-second on top of a monthly base ($5 to $249), so cost scales with usage rather than per-seat. It's built for people integrating lipsync into a pipeline — dubbing platforms, ad-tech, personalization tools — not for someone who wants to drop a video into a web UI and walk away, though the Lipsync Studio covers that too. Known limits: extreme profile angles, poor lighting and non-speaking faces still trip up the model, as with any current lipsync system.
What people say
Sync Labs traces its lineage to Wav2Lip, the 2020 ACM Multimedia paper that became the reference implementation for open-source lip-syncing — the Sync Labs team built the commercial follow-on, and the original Wav2Lip GitHub repo now points users toward Sync Labs for an HD commercial model. That background shows up in how the product is positioned: less a consumer dubbing app, more infrastructure for teams building dubbing, localization or personalized-video features on top of it.
The model lineup is the main differentiator. Lipsync-1.9, lipsync-2, lipsync-2-pro, react-1 and sync-3 span a speed-to-fidelity range, with lipsync-2-pro using diffusion-based super-resolution aimed at film, advertising and other work where mouth accuracy under close scrutiny matters — it supports 4K output across major formats. Independent write-ups comparing lipsync API vendors consistently rank Sync Labs for documentation quality and webhook support, which matters more than raw model quality once you're running it in a production pipeline rather than testing one clip.
Backing is solid for an infrastructure play at this stage: the company came out of Founders, Inc.'s portfolio and has YC and GV backing, and it markets itself explicitly around zero-shot generalization — no per-speaker training required, unlike some competing approaches that need a reference clip per person.
Pricing is subscription-plus-usage: Hobbyist at $5/month plus $0.05/sec for one-minute clips and a single concurrent job, scaling up to Scale at $249/month plus $0.04/sec with 15 concurrent jobs, 50 voice clones and a 20% usage discount. Enterprise is quote-based. The structure rewards volume users — the per-second rate drops as the monthly base rises — and every tier from Creator up gets API access and SDKs, so there's no separate "developer plan" gate.
The known failure modes are the ones every current lipsync model shares rather than anything specific to Sync Labs: extreme profile angles, poor lighting, and static or non-speaking faces degrade results. Reviewers note it handles multiple speakers and side profiles better than average, which lines up with the Lip Sync 2.0-class claims from competitors like Dubly, but nobody in this category has solved profile-view lipsync cleanly yet.
Summary of public user & expert reviews, compiled by RECATOOLS.
About this listing
This entry was compiled from publicly available data including Sync Labs's official website, press releases, documentation, and reputable third-party publications. RECATOOLS is not affiliated with Sync Labs unless explicitly stated.
Third-party AI tools update their pricing, features, availability, and policies frequently. Information here may be outdated by the time you read this — we make reasonable efforts to keep listings current, but cannot guarantee absolute accuracy.
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