# Hedra vs Sync.so

> Hedra vs Sync.so: Sync.so is our pick, leading for budget and developers & api. They split on cheapest paid plan and free plan watermarks output. Verified.

Hedra (Omnimodal character-video foundation model + API, momentum player pushing into agentic/interactive video) and Sync.so (Indie/API-first lipsync-as-a-service for developers (movies, podcasts, games, animations)) are AI avatar video platforms. Below: the bottom line, verified head-to-head facts, and real production costs.

AI avatar video platforms · 20 facts compared · all sourced · pricing verified Aug 24, 2026

## Bottom line

Sync.so wins five of six use cases, anchored by its $5/mo entry plan against Hedra's $15/mo, a gap that carries Budget, Marketing & UGC Ads, and Sales Outreach, the last built further by Sync.so's published batch or CSV personalization for dropping in hundreds of prospect names automatically. Sync.so also publishes a clear $0.05 per second API rate for Developers & API, more transparent than Hedra's credit balance based pricing, and its video translation and dubbing support carries Training & L&D. Conversational Avatars ties since neither tool publishes real interactivity. With price, personalization, and published API pricing all favoring Sync.so, it is the stronger overall choice.

## Verdict summary

| Use case | Winner | Why |
| --- | --- | --- |
| Budget | Sync.so | Sync.so's entry paid plan costs $5/mo, well under Hedra's $15/mo, a clear win for a solo creator watching costs. |
| Conversational Avatars | Tie | Hedra explicitly does not support interactive or conversational avatars, ruling it out for a live, talking assistant. |
| Developers & API | Sync.so | Both publish a public API. |
| Marketing & UGC Ads | Sync.so | Sync.so's entry paid plan costs $5/mo against Hedra's $15/mo, a meaningful gap for marketers paying per variant. |
| Sales Outreach | Sync.so | Sync.so publishes batch or CSV personalization, letting one script populate hundreds of prospect names and companies automatically, the core requirement for outreach at scale. |
| Training & L&D | Sync.so | Neither tool publishes SCORM or LMS export, leaving the biggest requirement for landing course videos in a learning platform unconfirmed on both sides. |

## Hedra vs Sync.so: head-to-head facts

| Fact | Hedra | Sync.so | Verified |
| --- | --- | --- | --- |
| Pricing unit | credits ([source](https://www.hedra.com/pricing)) | seconds (metered usage) plus flat monthly platform fee ([source](https://sync.so/pricing)) | Aug 24 |
| Cheapest paid plan (monthly) | $15 ([source](https://www.hedra.com/pricing)) | $5 ([source](https://sync.so/pricing)) | Aug 24 |
| Credits/minutes included at entry plan | 1500 credits/mo ([source](https://www.hedra.com/pricing)) | n/a | Aug 24 |
| Credits per finished video minute | 420 credits/min ([source](https://www.hedra.com/models/video/hedra/avatar)) | n/a | Aug 24 |
| Instant avatar from a photo | ✓  Yes ([source](https://www.hedra.com/docs/pages/app/content-creation/create-avatar-video)) | n/a | Aug 24 |
| Public API | ✓  Yes ([source](https://www.hedra.com/docs/pages/developer/getting_started/quickstart)) | ✓  Yes ([source](https://sync.so/docs/introduction)) | Aug 24 |
| Interactive / conversational avatars | ✗  No ([source](https://docs.livekit.io/agents/models/avatar/plugins/hedra/)) | n/a | Aug 24 |
| Batch / CSV personalization | n/a | ✓  Yes ([source](https://sync.so/pricing)) | Aug 24 |
| Commercial usage rights | All paid plans (Basic ([source](https://www.hedra.com/pricing)) | Users may not compete with Sync Labs using the API/output... ([source](https://sync.so/terms)) | Aug 24 |

## Hedra vs Sync.so: verdicts by use case

### Budget → Sync.so

Sync.so's entry paid plan costs $5/mo, well under Hedra's $15/mo, a clear win for a solo creator watching costs. Sync.so also does not watermark its free plan output, while Hedra's free plan does watermark, meaning Hedra requires its $15/mo plan just to remove it. Hedra bundles 1500 credits per month at its entry tier, information Sync.so does not publish in the same form since it prices by the second plus a flat platform fee rather than monthly credits. Both bill per workspace. On entry price and free plan watermark policy, the two attributes that matter most here, Sync.so is the stronger choice.

### Conversational Avatars → Tie

Hedra explicitly does not support interactive or conversational avatars, ruling it out for a live, talking assistant. Sync.so does not publish an interactive avatars capability either. Sync.so is built as a per second lipsync API for existing video and audio, and its published facts describe video translation and batch personalization rather than live interactivity. Both publish a public API, and Sync.so includes voice cloning, but neither vendor confirms the real time, back and forth capability this use case needs.

### Developers & API → Sync.so

Both publish a public API. Sync.so publishes a clear rate of $0.05 per second on its Hobbyist and Creator plans, giving developers a concrete number to budget against. Hedra's API pricing draws from the same Studio credit balance used in its editor rather than a separately published developer rate, which is less transparent for integration planning. Hedra does offer BYO-TTS integration with ElevenLabs and MiniMax, a capability Sync.so does not publish, and its commercial rights cover all paid plans, while Sync.so's terms restrict using its API or output to compete with Sync Labs. On the deciding factor of clear published unit pricing, Sync.so has the edge.

### Marketing & UGC Ads → Sync.so

Sync.so's entry paid plan costs $5/mo against Hedra's $15/mo, a meaningful gap for marketers paying per variant. Sync.so also does not watermark free plan output, while Hedra's free plan does, and Sync.so publishes batch or CSV personalization for producing many ad variants from one script, a capability Hedra does not publish. Sync.so further publishes video translation and dubbing support for localizing hooks. Stock avatar library size is not published by either tool. On price, watermark policy, and batch personalization, the attributes that matter most for testing UGC hooks at volume, Sync.so leads clearly.

### Sales Outreach → Sync.so

Sync.so publishes batch or CSV personalization, letting one script populate hundreds of prospect names and companies automatically, the core requirement for outreach at scale. Hedra does not publish this capability. Both publish a public API for building an outreach pipeline. Sync.so's entry paid plan also costs $5/mo against Hedra's $15/mo. Hedra does publish a longer 10 minute maximum video length against Sync.so's 1 minute cap on its Hobbyist plan, useful for a single high production video but less relevant when the real need is personalizing many short clips automatically. Custom avatar from footage is not published by either tool.

### Training & L&D → Sync.so

Neither tool publishes SCORM or LMS export, leaving the biggest requirement for landing course videos in a learning platform unconfirmed on both sides. Sync.so does publish video translation and dubbing support, important for localizing training content across languages, a capability Hedra does not publish. Commercial usage rights lean toward Hedra, which covers all paid plans, while Sync.so's terms restrict using its API or output to compete with Sync Labs, a narrower but different kind of restriction. Video templates and annual pricing are not published by either tool. With dubbing support outweighing the commercial rights difference, Sync.so is the stronger pick for localization heavy course production.

## Hedra vs Sync.so: common questions

### Is Hedra cheaper than Sync.so?

No. Hedra's entry paid plan costs $15/mo, while Sync.so's entry paid plan costs $5/mo, making Sync.so the cheaper starting point for a paid plan.

### Hedra vs Sync.so: which is better for budget?

Sync.so is better for budget. Its entry paid plan costs $5/mo against Hedra's $15/mo, and Sync.so's free plan does not watermark its output while Hedra's free plan does. Both the lower entry price and the cleaner free plan output make Sync.so the stronger budget pick.

### Is Hedra or Sync.so better for building conversational avatars?

Neither is built for live, real time conversational avatars. Hedra explicitly does not support interactive avatars, and Sync.so does not publish this capability either, since it is designed as a lipsync API for existing video and audio rather than a live talking assistant. Both publish a public API, but neither confirms real time interactivity.

### Does Hedra or Sync.so charge for API access by the second or by credits?

Sync.so prices its API at $0.05 per second on the Hobbyist and Creator plans, a clear metered rate. Hedra's API pricing draws from the same Studio credit balance used in its editor, so its per request cost depends on the credit system rather than a separate published per second rate.

### Is Hedra or Sync.so better for personalized sales outreach at scale?

Sync.so publishes batch or CSV personalization, letting one script generate hundreds of personalized prospect videos automatically. Hedra does not publish this capability, making Sync.so the better documented option for outreach at scale.

### Does Sync.so's free plan add a watermark?

No. Sync.so's free plan does not watermark its output, unlike Hedra's free plan, which does.

### What is Hedra's maximum video length?

Hedra supports videos up to 10 minutes long, depending on plan.

### Does Sync.so support video translation and dubbing?

Yes. Sync.so publishes video translation and dubbing as a supported feature.

### What commercial usage restriction applies to Sync.so's output?

Sync.so's terms state that users may not use its API or output to compete with Sync Labs, a usage restriction worth reviewing before building a competing product on top of it.

Source: https://www.versusref.com/avatar-video/hedra-vs-sync-so/