Builds the whole ad, not a clip
Brief it once and the Solid Agent writes the concept, picks the takes, writes the script, adds the voice and assembles a finished, editable ad.
Best Synthesia alternatives
What Synthesia does well, where it falls short, and the best alternatives for brands and their agencies.
Quick answer
The best Synthesia alternative for performance video ads is Solid: it cuts ads from your real footage and creators and has all major video and image models built in for missing shots. Other top alternatives include HeyGen for AI presenters and translation into 175+ languages and Arcads for AI actor UGC ads without filming.
What is Synthesia?
Synthesia is an AI video platform for training, onboarding and corporate communication. You write a script, pick one of up to 240+ AI avatars or create a personal avatar, and get a presenter video in 140+ languages, with dubbing, templates and interactive videos.
synthesia.io ↗Why teams look for alternatives
Avatar videos rather than ads from your own creators. Not built around paid social or ad testing.
The Solid Agent
The AI ad agent that does the whole job
Other tools generate assets. The Solid Agent runs the production end to end, on your own footage and brand.
Works on your real footage
It searches every scene, transcript and person in your library and cuts your best takes in order. Generation only fills the gaps.
Knows your brand
It reads your Brand Hub, video guidelines and House Rules before every script, and remembers what you teach it.
Asks before it builds
It proposes concepts and recommends one, so you steer the idea before anything is rendered.
Edits by conversation
Rewrite a line, add hooks, swap a clip or restyle captions by typing. Every hook, body and CTA combination stays editable.
Closes the review loop
It summarizes reviewer comments, works the feedback in and translates approved ads for every market in one request.
AI-native, never hardcoded
The Solid Agent does the work. You can change every step.
Solid is a fully AI-native creative engine: the Solid Agent runs the whole production in a chat. Nothing is locked. Open any step and adjust it by hand, down to the frame in the video editor.
Concept
The Solid Agent
Proposes concepts for your brief and recommends one.
You can change
Pick one, combine them or write your own.
Script
The Solid Agent
Writes the script, hooks and CTA in your brand tone.
You can change
Edit every line, hook and call to action.
Voice
The Solid Agent
Voices the script with your brand voice or an AI voice.
You can change
Swap the voice, change the pacing or use your own recording.
Scenes and cut
The Solid Agent
Picks your best takes and cuts them in order.
You can change
Swap clips and trim by text or on the multi-track timeline.
Captions and formats
The Solid Agent
Styles captions and exports every format and language.
You can change
Restyle, move and fine-tune everything before export.
At a glance
Top Synthesia alternatives compared
| Software | Best for | Price range | Next step |
|---|---|---|---|
 Solid#1 pick | Performance ads from your own footage and creators, with all major models built in | €299 to custom | Request access |
 HeyGen | AI presenters and translation into 175+ languages | $0 to $149 a month, Enterprise custom | Solid vs HeyGen |
 Arcads | AI actor UGC ads without filming | about $110 to $220+ a month (credits)* | Solid vs Arcads |
 Creatify | URL to video with AI avatars on a budget | $0 to $195 a month list, Enterprise custom | Solid vs Creatify |
Prices from each provider’s pricing page, verified 28 October 2026. *Not published by the provider; third-party reports.
Synthesia
What Synthesia does well, and where it falls short
What Synthesia does well
- Large AI avatar library and personal avatars
- 140+ languages and dubbing
- Built for training, onboarding and corporate video
- Interactive videos and SCORM export
- Free plan and low entry price
Where Synthesia falls short
- Avatar videos rather than ads from your own creators
- Not built around paid social or ad testing
- Brand kit and collaboration only on Enterprise
The alternatives
4 Synthesia alternatives in detail
- 1
Solid
Performance ads from your own footage and creators, with all major models built in
- Cuts ads from your real footage, creators and past winners
- AI Video Generator with Veo, Seedance and more for missing shots
- Brand Hub keeps every ad on brand
- Self-serve by card, EU hosting and GDPR
€299 to customRequest access - 2
HeyGen
AI presenters and translation into 175+ languages
- Lifelike AI avatars, including one of yourself
- Translation into 175+ languages
- Free plan and low entry price
- Strong for explainers and training videos
$0 to $149 a month, Enterprise customheygen.com ↗Read Solid vs HeyGen → - 3
Arcads
AI actor UGC ads without filming
- Large library of AI actors, no filming needed
- Many video models in one credit pool
- Fast from script to talking-head video
- Public API on Pro
about $110 to $220+ a month (credits)*arcads.ai ↗Read Solid vs Arcads → - 4
Creatify
URL to video with AI avatars on a budget
- Free plan and low entry price
- Product URL to video in minutes
- Large AI avatar library
- 75+ languages
$0 to $195 a month list, Enterprise customcreatify.ai ↗Read Solid vs Creatify →
How to choose
What to look for in a Synthesia alternative
Real footage or generated
Do you want ads built from your own footage and creators, or generated with avatars and models? Solid does the first and has generation built in.
Made for performance ads
Look for hook, body and CTA variants, every aspect ratio and platform safe zones.
Team and client review
Check whether reviewers can comment on the frame and approve without an account.
Pricing model
Credits, per-video fees or fixed plans: compare what one finished ad really costs you.
FAQs
Frequently asked questions
Anything else? We’re happy to walk you through Solid with your own footage.
Book a demoCan I edit what the Solid Agent makes?
Yes, every step. The Solid Agent does the work in a chat, but nothing is hardcoded: you can change the concept, rewrite the script, swap the voice, replace scenes and fine-tune the final cut in the video editor, by text or on the timeline.
What is the best Synthesia alternative?
For performance video ads, Solid: it cuts ads from your real footage and creators and has all major video and image models built in. HeyGen and Arcads are strong alternatives for other needs.
Is there a cheaper Synthesia alternative?
HeyGen has a lower entry price. Solid starts at €299 a month for one brand and about 15 finished ads, self-serve by card.
Is there a Synthesia alternative that uses real footage?
Yes. Solid builds ads from your own footage and real creators instead of avatars, and generates only the shots that are missing.
Which Synthesia alternative is best for agencies?
Solid: a workspace per client, guest review links without an account, and a Partner Program with 20% lifetime revenue share.
Keep reading
Related pages
Solid is the AI creative engine for brands and their agencies. Its agent turns a brand’s own footage, creators and best ads into finished video ads for Meta, TikTok and YouTube, and generates only the shots that are missing.
Request access
Try the Solid alternative with your own footage
See what Solid makes from your own footage. Tell us about your team and we’ll set you up.