What Synthesys does well

AI avatar and voice studio for video at scale. 300+ stock avatars, 140+ languages, no cameras needed.

Who it's for: 50K+ creators, plus solo founders and small teams who need video tool that just works.

Key features

Avatars 300+ AI avatars

Pre-made human avatars with realistic lip-sync, gestures, and eye contact. Pick from stock or upload your own face.

Voice 140+ languages

Clone any voice or pick from 600+ stock voices. Translate one script into 140 languages with native pronunciation.

Studio Browser-based studio

Drag-and-drop script editor, scene builder, and media library. Render full videos without leaving your browser.

API Developer API

REST API for batch video generation. Generate 1,000 product videos from a CSV in hours, not weeks.

The honest take

✓ What works

Massive avatar library — pick a 'spokesperson' that fits your brand without filming
Multi-language lip-sync is genuinely impressive — better than HeyGen for accents
Solid free trial — generate 3 videos without paying a cent
API access for high-volume use cases (e-commerce, localization)

✗ What doesn't

Free trial requires credit card — no real free tier
Stock avatars have a slight 'uncanny valley' vs Synthesia or HeyGen
Rendering 4K takes longer than competitors
Custom avatar training is $99 one-time + subscription

Verdict

Synthesys is one of the best-known video tool on the market in 2026. The free tier alone is worth a signup, and the paid plan is priced fairly compared to peers. If you're shopping for a video tool tool, put Synthesys on your short list.

💡 Transparency: This review contains affiliate links. If you sign up through our link, we may earn a commission at no cost to you. We only recommend tools we use ourselves. Full disclosure.