Synthesia makes corporate training videos with AI avatars and voiceovers in 140+ languages. The alternatives below are the catalogue's other AI video generators, led by the other avatar platforms.
| Alternative | What it is best at | Free plan | Paid entry | Links |
|---|---|---|---|---|
| Kling AI | Well suited to generating AI video and images in a creative studio that uses membership credits and offers an API. | Yes | Standard: $8.8/month paying monthly, $79.2/year paying yearly (checked 2026-10-30) | Full record |
| HeyGen | Built for avatar-led videos with lip-sync and translation across a wide range of languages. | Yes | Creator: $29/month ($24/month billed annually, $288/yr) (checked 2026-10-27) | Full record |
| Colossyan | A good fit for training and course videos built from a PDF, deck or URL using stock avatars, with quizzes, branching, SCORM and 100+ languages. | Yes | Professional: $89/month billed monthly, $59/month billed yearly (US$708/year) (checked 2026-10-30) | Full record |
| Elai.io | Well suited to avatar-based training videos, with 80+ avatars, 75+ languages, voice cloning and PPTX or URL to video. | Yes | Creator: $29/month ($276 billed annually, ~$23/month equivalent) (checked 2026-10-27) | Full record |
AI creative studio for generating video and images, with membership credits and an API.
Well suited to generating AI video and images in a creative studio that uses membership credits and offers an API.
AI avatar video platform: custom video avatars, Avatar V, lip-sync and translation in 175+ languages.
Built for avatar-led videos with lip-sync and translation across a wide range of languages.
AI video and course platform for training: 300+ stock avatars, PDF/deck/URL to video, interactive branching and quizzes, SCORM, 100+ languages.
A good fit for training and course videos built from a PDF, deck or URL using stock avatars, with quizzes, branching, SCORM and 100+ languages.
AI video generator with 80+ avatars, 75+ languages, voice cloning and PPTX/URL to video.
Well suited to avatar-based training videos, with 80+ avatars, 75+ languages, voice cloning and PPTX or URL to video.
How this list was built: alternatives are tools from the same area of the Ai Siftly catalogue, ordered by website-domain popularity (Tranco research list, 2026-10-26; method), then tools without a rank. Prices and details come from each vendor's own pages with the date checked shown. This is not a ranking or a recommendation.
Yes. HeyGen, Colossyan, Elai.io and Kling AI each list a free plan (checked dates shown above). HeyGen's free plan allows 3 videos a month, watermarked.
Kling AI Standard at $8.8/month paying monthly (checked 2026-10-30), though it is a general creative studio. Among avatar platforms, HeyGen Creator and Elai.io Creator both start at $29/month (checked 2026-10-27).
Colossyan is the most training-focused, with quizzes, branching and SCORM export alongside stock avatars. Elai.io also turns PPTX files into avatar videos.
Every price shows the date it was checked on the vendor's own page. Confirm with the vendor before buying.