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.