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.

Tagline

Chat-based AI creative suite for video content production

Create studio-quality AI avatar videos

Category

Pricing

Freemium
Paid

Rating

0.0 (0)
0.0 (0)

Platforms

—
Web

API

No
Yes

Open source

No
No

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.