Synthesia Free Tier Guide
Grade BCompare sub-models, daily quota limits, login requirements, and generation settings.
Free video output at a glance
Based on 1200 credits and the lowest observed video cost. Actual output can change with duration, resolution, audio, references, and other settings.
Overview
Synthesia Basic is free and includes 1,200 credits per month, 10 minutes of video, and 25 AI-generated video assets. The authenticated account showed 1,200 available credits and a reset date of August 21, 2026.
Free Video Output
Gemini Omni and Veo 3.1 Fast without audio each cost 48 credits per asset. Credits could cover more than 25 assets, but the Basic plan's 25-asset limit becomes the practical monthly ceiling.
What Changes the Price
AI Playground exposes Veo 3.1, Veo 3.1 Fast, and Gemini Omni. Audio, output quantity, and model change costs; Gemini Omni was observed changing from 96 credits for two assets to 48 for one asset.
Evidence Notes
- Source level: public pricing and authenticated UI observed on 2026-07-22.
- No generation was submitted and no transaction ledger was exposed.
Sub-Models & Credit Costs
Costs and estimated output vary by model and generation settings. This table is the structured catalog's single source for model-level credit details.
| Model Name | Cost Per Video | Max Duration | Max Resolution | Est. Runs / Cycle | Notes |
|---|---|---|---|---|---|
| Gemini Omni (AI Playground) | 48 credits | 0s | 720p | 25/cycle | — |
| Veo 3.1 Fast (AI Playground, no audio) | 48 credits | 0s | 1080p | 25/cycle | — |
| Veo 3.1 (AI Playground, no audio) | 96 credits | 0s | 1080p | 12/cycle | — |
Advantages (Pros)
- •10 minutes of presenter video included per month on free tier
- •Access to Veo 3 for AI B-roll generation
- •No credit card required to signup
Limitations (Cons)
- •Only 9 AI avatars available on free tier
- •Online sharing link preferred (MP4 download restricted on Basic)
Free Policy Matrix
Alternative Free Tools
Kling AI
Free tier provides 66 monthly credits (valid for 30 days) + 3x 1080p/4K trial passes + 2x video extension passes. Kling 1.0 (10 credits) allows 6 videos/month; Video 2.6 720p (15 credits) allows 4 audio videos/month.
DaVinci AI
Authenticated UI observed 2026-07-22: Free Plan shows 25 Monthly Credits. Model-selector figures are minimum 'From' prices, not default button costs; post-generation ledger deduction was not tested.
InVideo AI
Authenticated UI observed 2026-07-22: invideo AI Free account displays 5 credits and 64 visible video models. No model default cost was exposed without creating a project, and the Free refresh cycle was not shown.