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Head-to-Head Comparison
ChatGPT vs Synthesia
An honest, side-by-side breakdown of pricing, features, and security — so you can pick the right tool.
Feature comparison
| Feature | ChatGPT | Synthesia |
|---|---|---|
| CompareMyAI score | 8.7 / 10 | 8.1 / 10 |
| Free tier | ||
| API access | ||
| Open source | ||
| Enterprise ready | ||
| GDPR compliant | ||
| SOC 2 certified | ||
| ISO 27001 | ||
| MFA supported | ||
| Trains on your data |
Pricing
FreeFree
Go£7/mo
Plus£20/mo
Pro£89/mo
Business£18/mo
EnterpriseContact sales
FreeFree
Starter£23/mo
Creator£70/mo
Enterprise—
Always check the provider's site for the latest pricing. Prices marked are based on published data and are pending independent verification.
Pros & cons
ChatGPT
Pros
- +Largest plugin and integration ecosystem
- +Excellent at coding and analysis
- +GPT-4o handles images and voice
- +Widely supported across third-party tools
Cons
- −Trains on data by default — opt-out required
- −Pricing higher than some alternatives
- −Can be inconsistent on complex reasoning
Synthesia
Pros
- +Professional AI avatar videos
- +140+ languages
- +No filming required
- +Good for corporate training and eLearning
- +SOC2 certified
Cons
- −Expensive for small teams
- −Avatar realism still has uncanny valley moments
- −Limited creative flexibility
Our take— ChatGPT wins
Based on our comparison of published pricing, features, and compliance data, ChatGPT scores 8.7/10 to Synthesia's 8.1/10. ChatGPT takes the overall edge, though Synthesia offers ISO 27001 certification. Pick Synthesia if ISO 27001 certification matters — ChatGPT takes it overall on our scoring.