Async vs Synthesia
A 2026 side-by-side comparison of Async and Synthesia — pricing, key features, platforms, API access, and the trade-offs of each, based on data collected from their official sites.

Async
Chat-based AI creative suite for video content production
Synthesia
Create studio-quality AI avatar videos
Tagline
Chat-based AI creative suite for video content production
Create studio-quality AI avatar videos
Pricing
Rating
Platforms
API
Open source
Description
Async is an AI creator platform for video and audio production. Using a chat-based AI workflow, it allows creators and teams to record, edit, dub, subtitle, create clips, and clone voices, transforming raw footage and AI-generated scenes into finished videos.
Synthesia generates videos with realistic AI avatars in 140+ languages without cameras.
Key features
- Video recording
- Video editing via chat
- Audio recording
- Video dubbing
- Subtitling
- Clip creation
- Voice cloning
- AI-generated scenes
- Start templates
- Shot lists
- Camera notes
- PDF export
Pros
- Allows users to edit videos by simply chatting with the AI.
- Provides an all-in-one workflow from raw footage and AI-generated scenes to finished videos.
- Includes voice cloning and video dubbing features directly in the platform.
- Offers pre-made templates to help users start video creation faster.
- Users can save up to 40% on subscription plans with annual billing.
- Designed for both individual creators and collaborative teams.
- Enables creation of social media clips in the same workflow.
- Integrates automatic subtitling capabilities to streamline post-production.
- 230+ AI avatars
- 140+ languages
- Custom avatars available
- No cameras or studios needed
- Enterprise SSO and SOC 2
- Templates library
- API access
- Team collaboration
Cons
- No public API or developer documentation is mentioned in the provided text.
- Specific pricing tier amounts and subscription costs are not explicitly disclosed in the snippets.
- No native mobile apps (such as iOS or Android) are explicitly listed as supported.
- No information regarding open-source code availability or GitHub repository is provided.
- Specific security certifications (e.g., SOC2, ISO) are not explicitly detailed in the provided pages.
- Avatars can feel uncanny
- No free tier
- Subscription is expensive
- Requires script preparation
- Lip-sync varies by language
- Not for live video
- Custom avatars are costly
- Default look is very corporate
Pricing plans
- FreeUSD0/month
- • Record, edit, dub, subtitle, create clips, and clone voices
- • Start creating for free
- Essentials—
- • Record, edit, dub, subtitle, create clips, and clone voices
- • AI credits included by default
- Pro—
- • Most popular
- • Record, edit, dub, subtitle, create clips, and clone voices
- • Royalty-free music
- Teams—
- • Collaboration
- • Record, edit, dub, subtitle, create clips, and clone voices
- • AI credits included by default
- Business—
- • Custom
- • Contact us
- • Custom on-boarding
- • Advanced vulnerability checks
- BasicUSD0/month
- • try for free
- • Quickly start creating AI videos
- • Create videos in 160+ languages
- • No credit card required
- StarterUSD29/month
- • Create AI videos with your own Personal Avatar
- • What you get in Basic +
- • Custom on-brand Avatars
- • Try for FREE
- StarterUSD18/month
- • Create AI videos with your own Personal Avatar
- • What you get in Basic +
- • Custom on-brand Avatars
- • Try for FREE
- CreatorUSD89/month
- • Produce AI videos regularly with your team
- • What you get in Starter +
- • 5 Personal Avatars
- • For teams
- CreatorUSD64/month
- • Produce AI videos regularly with your team
- • What you get in Starter +
- • 5 Personal Avatars
- • For teams
- Enterprise—
- • What you get in Creator +
- • Unlimited Personal Avatars
- • Live team collaboration
- • Dedicated Customer Success team
Which one should you pick?
- Choose Async if you need Video recording.
- Choose Synthesia if you need Shot lists and API access.
- On budget: Async is freemium, Synthesia is paid.