Synthesia dominates the AI video space through brand recognition and a polished avatar interface, but it's not the best fit for everyone. If you're paying $30–$100/month for a tool that forces you into a talking-head format, or you need something faster and cheaper for explainer videos, training, or sales collateral, there are smarter options.
This guide compares five alternatives ranked by what they actually do well—not by feature count, but by which tool solves your specific problem without waste.
What makes Synthesia expensive, and why you might not need it
Synthesia's pricing starts at $30/month for a single avatar video per month, then jumps to $100/month for 10 videos. You're paying for photorealistic avatars—digital humans that read a script on camera. That's powerful for sales calls, HR onboarding, and CEO announcements where a face builds trust. But for product explainers, internal training, or concept breakdowns, a talking head is overkill. You're buying a feature you don't use and paying for it monthly whether you generate one video or ten.
The real cost isn't the subscription—it's the lock-in. Synthesia videos are tied to their platform. Export a video and you own the file, but you can't easily repurpose the avatar, swap the script, or migrate to another tool without starting over.
Alternatives fall into two camps: whiteboard/animation-first tools (better for education, explainers, and concepts) and avatar-based competitors (if you do need a talking head but want better pricing or flexibility). We'll cover both.
1. Ankon AI — Best for explainer videos and training on a tight budget
Why choose it
Ankon AI generates whiteboard and explainer animations, not avatars. You feed it a topic, script, PDF, or image, and it produces a narrated animated video with hand-drawn scenes, text overlays, and motion. The output is polished enough for internal training, product demos, and educational content—without the uncanny-valley risk of a digital human.
The pricing model is radically simpler than Synthesia's: you buy credits (1 credit = 1 minute of finished video, 2-credit minimum). The Starter plan is $29/month for 15 credits—enough for 7–8 typical videos. Compare that to Synthesia's $30/month for 1 video.
Concrete numbers
- Starter: $29/mo, 15 credits → 7–8 videos of 2–3 minutes each
- Plus: $69/mo, 40 credits → ~20 videos
- Pro: $119/mo, 75 credits → ~37 videos
- Annual billing: ~20% discount on any plan
- Free tier: 2 free credits on signup (never expire)
If you use Enhance mode (2× more scenes for smoother transitions), credits double—so a 5-minute video becomes 10 credits instead of 5. Fact-check adds 1 credit per video. Fast render is free.
Best for
- Internal training and onboarding
- Product explainers and how-tos
- Educational content and course modules
- Nonprofits and budget-conscious teams
- Anyone who wants to avoid the "talking head" format
Trade-off
No avatars. If your use case requires a person on screen (CEO message, sales call, HR announcement), Ankon AI won't work. But for everything else—concepts, processes, features—the whiteboard format is faster to produce and often more engaging than a static avatar.
2. D-ID — Best if you need avatars but want per-video pricing
Why choose it
D-ID is a direct Synthesia competitor: it generates avatar videos from a script. The key difference is pricing. Instead of a monthly subscription, D-ID charges per video. You can generate one video, pay for it, and walk away—no recurring bill if you don't need the tool next month.
The avatars are photorealistic and support multiple languages. D-ID also offers a "Creative Studio" mode where you can upload your own video or image and animate it, which is useful if you want a custom look.
Best for
- One-off avatar videos (sales, announcements, HR)
- Teams that generate videos sporadically, not monthly
- Custom avatar creation from your own footage
Trade-off
Per-video pricing can add up if you're producing 10+ videos per month. For heavy users, Synthesia or a subscription-based tool is cheaper. D-ID also has a smaller library of avatars than Synthesia, so customization options are more limited.
3. HeyGen — Best for multilingual avatar videos at scale
Why choose it
HeyGen is built for teams that need to localize videos fast. You write a script in English, and HeyGen can auto-translate it into 100+ languages and generate avatar videos in each language—all from one upload. The avatars are photorealistic and support lip-sync in multiple languages, which is rare.
Pricing is subscription-based (starting around $25/month), but the real value is in the time saved on localization. If you're a SaaS company or global brand, HeyGen cuts weeks off your video production timeline.
Best for
- Global teams and multilingual content
- SaaS companies with international audiences
- Localizing the same video into 10+ languages
- Sales and marketing teams at scale
Trade-off
HeyGen's strength is localization, not customization. If you need a highly branded or unique avatar, you're limited by their library. Also, like Synthesia, you're locked into the avatar format—no whiteboard or animation fallback.
4. Runway — Best if you want AI video generation beyond avatars
Why choose it
Runway is a generalist AI video tool. It can generate videos from text prompts, extend existing footage, remove objects, and apply effects—not just avatars. If you're already using Runway for other creative work (image editing, motion graphics), adding video generation to your workflow is seamless.
The pricing is credit-based, similar to Ankon AI, so you only pay for what you use. Runway's free tier gives you a small monthly credit allowance, which is useful for testing.
Best for
- Teams already using Runway for design or video editing
- Custom video generation from text prompts
- Motion graphics and visual effects
- Experimental or highly creative projects
Trade-off
Runway's video generation is powerful but less polished than Synthesia or HeyGen for talking-head avatars. The output is more "AI-generated" looking, which works for creative projects but not for corporate or sales videos where you need photorealism. Also, Runway has a steeper learning curve than Synthesia.
5. Loom — Best if you just need screen recording with AI voiceover
Why choose it
Loom is not a video generator—it's a screen recorder with AI features bolted on. You record your screen (or webcam), and Loom can auto-generate a transcript, add captions, and generate an AI voiceover. It's the fastest way to turn a screen recording into a polished video.
Loom's pricing is freemium: the free tier includes unlimited recordings and basic editing. Paid plans ($12–$25/month) add AI features like voiceover and advanced sharing.
Best for
- Software demos and tutorials
- Internal communication and updates
- Quick how-to videos
- Teams that already use Loom for async communication
Trade-off
Loom is not a video generator—it's a recording tool. You still need to record the content yourself. If you want a fully AI-generated video from scratch, Loom won't help. Also, Loom's AI voiceover is basic compared to Synthesia or HeyGen.
Quick comparison table
| Tool | Format | Pricing Model | Best For | Starting Price |
|---|---|---|---|---|
| Ankon AI | Whiteboard/animation | Credits ($29/mo for 15) | Explainers, training, education | $29/mo |
| D-ID | Avatar | Per-video | One-off avatar videos | ~$5–15/video |
| HeyGen | Avatar | Subscription | Multilingual at scale | ~$25/mo |
| Runway | Text-to-video + effects | Credits | Creative/experimental | Free tier + credits |
| Loom | Screen recording + AI | Freemium | Software demos, tutorials | Free |
How to pick the right alternative
You need a whiteboard explainer video? → Ankon AI. Fastest to produce, lowest cost for volume, and the format is proven for education and product demos.
You need a talking-head avatar for sales or HR? → D-ID if it's one-off, HeyGen if you're localizing to multiple languages, Synthesia if you want the most polished avatars and don't mind the subscription lock-in.
You're recording a software demo? → Loom. It's built for this and you probably already use it.
You want to experiment with AI video generation? → Runway. It's the most flexible, but expect a learning curve.
The verdict
Synthesia is not bad—it's just overpriced for most use cases. If you're generating one or two avatar videos per month, you're paying $30–$100 for a tool you're barely using. If you're generating 10+ videos per month, you're locked into a $100/month subscription even if half of them are simple explainers that don't need an avatar.
For explainer videos, training, and education, Ankon AI is the clear winner: 7–8 videos per month for $29, no subscription lock-in, and a format that's actually better for concepts and processes. For avatar videos, D-ID and HeyGen offer more flexibility than Synthesia without the premium pricing.
Pick the tool that matches your format, not the tool with the most features. You'll save money and ship faster.