Synthesia vs Papercup (RWS)
Synthesia and Papercup (RWS) are often compared, but they solve fundamentally different problems. Synthesia is a ai avatar video generation (dubbing is a secondary feature) platform built for enterprise l&d and training videos. Papercup (RWS) focuses on ai + human qa dubbing for media and enterprise, making it a better fit for broadcasters needing multilingual dubbing at scale. This comparison uses documented facts to show where each one excels and where it falls short.
- Synthesia Languages
- 70+ (140+ Enterprise)
- Papercup (RWS) Languages
- 70+
- Synthesia Lip Sync
- 68.3 / 100·Goodi
- Papercup (RWS) Lip Sync
- Not benchmarkedi
The Key Difference
Synthesia is an avatar-first platform that added video translation as a secondary feature. Papercup (RWS) is purpose-built for dubbing real footage. This architectural difference shows up everywhere: Papercup (RWS)'s lip sync is optimized for real human faces and natural speech patterns, while Synthesia's lip sync engine was designed for synthetic avatars and can struggle with occlusions, rapid movement, and complex real-world footage.
Feature Comparison
When comparing features, pay attention to more than just checkboxes. Synthesia supports 70+ (140+ Enterprise) languages and Papercup (RWS) offers 70+ — but raw language count is less important than quality in your target languages. Look at lip sync ratings, multi-speaker handling, and whether the platform produces finished video or just audio tracks.
| Feature | Synthesia | Papercup (RWS) |
|---|---|---|
| Primary Focus | AI avatar video generation (dubbing is a secondary feature) | AI + human QA dubbing for media and enterprise |
| Languages | 70+ (140+ Enterprise) | 70+ |
| Lip Sync | 68.3 / 100·Goodi | Not benchmarkedi |
| Voice Cloning | ✓ Yes | ✓ Yes |
| Video Output | ✓ Yes | ✓ Yes |
| Avatar Creation | ✓ Yes | ✗ No |
| API Access | ✓ Yes | ✓ Yes |
| Multi-Speaker | Auto detection | Auto detection |
| Custom Vocabulary | ✗ No | ✓ Yes |
| Unlimited Revisions | ✓ Yes | ✗ No |
Pricing
Pricing in the AI dubbing space is notoriously hard to compare apples-to-apples. Synthesia uses a credits per second (lip sync doubles) model starting at €26/month, while Papercup (RWS) charges via per-minute, enterprise quotes starting at Custom quotes only. The real cost depends on your volume, whether you need lip sync (which often costs extra), and how many team members need access.
| Detail | Synthesia | Papercup (RWS) |
|---|---|---|
| Starting Price | €26/month | Custom quotes only |
| Pricing Model | Credits per second (lip sync doubles) | Per-minute, enterprise quotes |
| Free plan | ✓ Yes | ✗ No |
| Enterprise Plans | ✓ Yes | ✓ Yes |
Data Privacy & Compliance
Data privacy is where these two platforms differ most. Synthesia hosts in the EU (Ireland (EU)) including a DPA, Papercup (RWS) outside the EU (UK), with ISO 27001, SOC 2 Type II certification, and states GDPR compliance. For European enterprises or anyone handling sensitive content, this section deserves careful attention.
| Requirement | Synthesia | Papercup (RWS) |
|---|---|---|
| Server Location | Ireland (EU) | UK |
| DPA Available | ✓ Yes | ✓ Yes |
| No AI Training | ✗ No | ✗ No |
Strengths & Weaknesses
Synthesia
Strengths
- ✓ Realistic AI avatars (Express-2 engine)
- ✓ Customer data stored in Ireland on every plan
- ✓ Self-serve pre-signed DPA, named DPO, EU GDPR representative; SOC 2 Type II, ISO 27001, ISO 42001
- ✓ Free Basic plan: 1,200 credits, about 10 dubbed minutes, watermarked
Weaknesses
- ✗ Avatars are the core product; real-footage dubbing is a secondary feature
- ✗ Lip sync doubles credit cost: 240 vs 120 credits per dubbed minute
- ✗ Creator (€79) caps at 30 dubbed minutes a month — everything above is an Enterprise quote
Papercup (RWS)
Strengths
- ✓ Human-in-the-loop QA — linguistic and cultural review by human experts on every project
- ✓ Transcript and translation editing built into the platform to refine timing and sync
- ✓ AI voice cloning with licensing and compliance handled by RWS
- ✓ Hybrid model: AI dubbing plus professional voice actors for emotional content
Weaknesses
- ✗ No self-serve access — requires a demo and a custom quote
- ✗ No published prices
- ✗ Lip sync not benchmarked; RWS describes it as optional ("may include lip sync")
Frequently Asked Questions
Is Synthesia better than Papercup (RWS)?
It depends on your use case. Our pick for managed localisation: Papercup (RWS). Synthesia is not our first pick in any use case, but runner-up for training and e-learning, GDPR and EU data residency and 2 more use cases. This comparison breaks down the differences across lip sync quality, pricing, features, and data privacy.
How much does Synthesia cost compared to Papercup (RWS)?
Synthesia starts at €26/month (Credits per second (lip sync doubles)). Papercup (RWS) starts at Custom quotes only (Per-minute, enterprise quotes). Both offer different pricing models, so the actual cost depends on your usage volume.
Which tool has better lip sync quality?
Synthesia offers lip sync capabilities.
Read Full Reviews
Dive deeper into each platform with our individual reviews.
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Sources & Further Reading
- Synthesia Official Website — Synthesia, 2026
- Papercup (RWS) Official Website — Papercup (RWS), 2026
- AI Video Translation Market Report — Market.us, October 2025