What is Synthesia.io?
Synthesia is an AI video generation platform that turns text scripts into presenter-led videos using more than 240 realistic AI avatars and 1,000+ AI voices, with built-in translation and dubbing across 160+ languages. It is optimized for corporate use such as training, onboarding, internal comms and L&D, and is positioned as an enterprise-grade vendor with SOC 2, GDPR and ISO certifications. It holds a 4.7/5 rating on G2 from around 2,375 reviews.
Synthesia.io pricing (2026)
Synthesia.io plans and pricing, verified October 2026, are below. Pricing can change, so confirm the latest on the official Synthesia.io site. Paid plans include a monthly pool of credits shared across video, dubbing and surveys.
| Plan | Price | Best for |
|---|---|---|
| Basic | $0 | Experiment with AI video (500 credits/mo, watermark) |
| Starter | $18/mo billed annually, or $29/mo billed monthly | Individuals |
| Pro | $64/mo billed annually, or $89/mo billed monthly | Regular creators |
| Pro (higher credit tiers) | $126 to $486/mo billed annually, or $176 to $676/mo billed monthly | Teams that need 2x to 8x the credits |
| Enterprise | Custom | Large teams |
Key features
- 240+ AI avatars plus custom personal avatar digital twins
- 1,000+ AI voices and 160+ languages with AI translation and dubbing
- AI Screen Recorder and AI Video Generator
- AI Motion Graphics
- Royalty-free media library on higher tiers
Who is Synthesia.io best for? (pros & cons)
Pros
- Very fast text-to-video workflow, finished in minutes
- Strong multilingual capability with 160+ languages and built-in translation
- Large, diverse avatar library plus custom avatar creation
Cons
- Avatars can look stiff, especially during gestures or long monologues
- Inconsistent pronunciation on industry terms and some non-English languages
- Costs climb quickly through the Pro credit tiers before custom Enterprise pricing
Synthesia.io vs alternatives
| Tool | Starting price | Best for |
|---|---|---|
| HeyGen | around $29/mo, free tier available | Fast, realistic talking-avatar and UGC-style videos |
| Descript | around $24/mo, free tier available | Podcast and video editing with AI plus avatars |
| Colossyan | around $27/mo | L&D and training-focused AI video teams |
Synthesia.io: company snapshot
Quick reference details about Synthesia.io as a company. Figures marked estimated are third-party approximations and may change.
| Founded | 2017 |
|---|---|
| Employees | 400+ (estimated) |
| Headquarters | London, United Kingdom |
| Revenue | Not publicly disclosed (venture-backed, $4B valuation) |
| Products & services | AI video generation platform that turns text into studio-quality videos using AI avatars and voices. |
| Best for | Learning and development, communications, and training teams creating video at scale |
| Website | synthesia.io |
| Key clients | Heineken, Reuters, BBC, Zoom, SAP |
Stack it with
Pair Synthesia.io with the rest of a modern B2B stack: