Here’s the full breakdown, based on hands-on testing of both tools.
InVideo vs Synthesia at a Glance
InVideo | Synthesia | |
|---|---|---|
Best for | Social videos, ads, marketing content | Training, onboarding, corporate videos |
Starting price | $17/mo (yearly) | $14/mo (yearly) |
Free plan | No | Yes, 10 min/month, watermarked |
AI avatars | Basic (AI Twin) | 125 – 240+ avatars by plan |
Languages | 75+ | 160+ |
PowerPoint import | No | Yes |
Editing control | Full timeline editor (Studio) | Slide-style scene editor |
Video generation model | Veo 3.1, Kling 3.0, Seedance 2.0, Pixverse & more | Own avatar + voice engine |
Output cap | Credit-based, varies by plan | Time-based (minutes/month) |
Our rating | 4.1/5 | 4.3/5 |
What Each Tool Actually Does
InVideo takes a text prompt and generates a complete video – script, visuals, voiceover, captions, music – using AI models like Seedance, Veo 3.1 & etc. There’s also a manual editor (Studio) if you want to build from scratch or clean up the AI output.
Synthesia takes a script you write (or generate) and turns it into a video of an AI avatar speaking it, in your choice of language and voice. It’s built for structured, repeatable video content, not spontaneous or creative formats.
Feature-by-Feature Comparison
Feature | InVideo | Synthesia |
|---|---|---|
AI avatars | Limited (AI Twin, basic) | Strong – 125+ realistic avatars, custom avatar builder |
Script-to-video | Yes, fully automated | Yes, but you write/paste the script |
PowerPoint to video | Not available | Yes – upload a deck, get a narrated video |
Voice cloning | Yes (ElevenLabs, ~18 languages) | Yes (29 languages, more natural sync) |
Stock media library | Huge – iStock + Storyblocks, 2.5M+ assets | Minimal |
Editing depth | Full drag-and-drop editor (Studio) | Slide-style scene editor, less manual control |
Dubbing | Basic | Strong – dub any external video into other languages |
Team/brand features | Brand kit, team projects | Brand kits, stronger enterprise collaboration |
Export | Up to 4K on higher plans | 1080p max |
API access | Yes, on paid plans | Yes, on Creator+ plans |
Pricing Compared
Plan tier | InVideo | Synthesia |
|---|---|---|
Entry (yearly) | $20/mo – 75 credits, 20GB storage | $19/mo – 120 min/year, 1 custom avatar |
Mid tier | $100/mo – 390 credits, 100GB | $89/mo – 360 min/year, 5 custom avatars, API |
High tier | $200/mo – 800 credits, 2TB | Custom (Enterprise) – unlimited minutes, unlimited avatars |
Top tier | $1000/mo – 4,250 credits | – |
The catch with InVideo: it runs on credits and heavy AI video generation (Seedance, Pixverse) burns through them fast. A failed render can still cost you credits.
The catch with Synthesia: it runs on minutes and unused minutes don’t roll over. If you’re not publishing consistently, you’re paying for capacity you’re not using.
What We Actually Found Testing Both
InVideo: A prompt-based video came together in a few minutes. The credit system took getting used to – some generations cost more than expected and a failed render still eats credits. Editing after generation is genuinely flexible; you’re not locked into what the AI gave you.
Synthesia: One avatar-based video took about 7 minutes to generate. Editing feels more like working in a slide deck – each scene sits in its own panel, and swapping avatar, text or background takes one click. On the free plan, you can’t download without a watermark, so you’re not getting a real test of the output until you pay.
Who Should Pick InVideo
- You’re making Reels, Shorts, or social ads
- You want AI to write the script, not just voice it
- You need a large stock footage/image library built in
- You want deep manual editing control after generation
- Budget matters and you’re okay managing a credit system
Who Should Pick Synthesia
- You’re making training, onboarding, or explainer videos
- You need the same video in multiple languages without re-recording
- You want a consistent AI presenter across many videos
- You have a PowerPoint deck you want turned into a video
- You’re a corporate/HR team producing videos on a schedule
Quick FAQ
1. Which is cheaper to start?
InVideo, by about a dollar a month at entry level – but Synthesia’s entry plan gives you a usable custom avatar from day one, while InVideo’s entry plan has tighter credit limits for heavy AI generation.
2. Can I use both?
Yes, and some teams do – InVideo for social/marketing content, Synthesia for internal training. They don’t overlap enough to be redundant.
3. Which is better for YouTube?
InVideo. Its stock library, editing depth and export options are built for that kind of content. Synthesia’s avatar format works for a specific niche of YouTube (explainers, tutorials) but not general content.
4. Which has better AI avatars?
Synthesia, by a clear margin. InVideo’s avatar feature is basic in comparison – it’s not the platform’s focus.
Final Verdict
InVideo and Synthesia solve different problems, so the “better” tool depends entirely on what you’re making. InVideo wins for volume, creative flexibility and marketing content. Synthesia wins for structured, presenter-led, multilingual content. Pick based on the video you need to make, not the review score.
We’ve also published full standalone reviews if you want the deeper dive on either tool:
