Synthesia
Free tierCreate studio-quality AI videos from text — no camera, crew, or editing skills needed.
Key strengths
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Recent changes
- Plans updated: Free (Basic) plan at $0/month with 500 credits and 10 min video/month; Starter at $29/month with 1,250 credits; Pro at $89/month with 6,000 credits; Enterprise available. Credits are the shared currency across all AI usage-based features.
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Synthesia — Technical Overview
Synthesia is a freemium AI video generation platform that converts text, documents, and prompts into presenter-led videos using AI avatars. It exposes a developer API, enabling programmatic video creation and management within existing workflows.
Model Infrastructure Synthesia sources generation capabilities from multiple third-party model providers:
- Google — Veo 3, Gemini Omni
- Black Forest Labs — FLUX 3, FLUX.2
- Nano Banana Pro
These models power features including AI B-roll generation, avatar synthesis, and multimodal content processing.
Integrations & Input Formats The platform ingests the following document and content types for automated video generation:
PPTX(PowerPoint),PDF,DOCX,TXT,URL
Pricing & Credit Model All AI usage-based features share a unified credit currency:
| Plan | Price | Credits/month | Video cap |
|---|---|---|---|
| Free (Basic) | $0 | 500 | 10 min/month |
| Starter | $29/month | 1,250 | — |
| Pro | $89/month | 6,000 | — |
| Enterprise | Custom | Custom | — |
Key Technical Capabilities
- REST API available for video generation and workflow integration
- 140+ language translation and dubbing pipeline
- Brand Kit system for enforcing visual consistency at scale
- Highest rated AI video generator on G2
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