Gemini 3 vs Synthesia
A detailed comparison to help you choose the right AI tool for your needs.
Our Pick
Gemini 3 Pro
Gemini 3 Pro edges out Synthesia with superior overall performance and features that make it the better choice for most users.
Try Gemini 3Feature Comparison
Feature
Gemini 3
Synthesia
Ratings
Overall Rating
4.8
4.6
Coding
4.7
-
Writing
4.5
-
Reasoning
4.8
-
Speed
4.7
4.5
Value
5.0
4.4
Pricing
Monthly Price
$20
$22
Free Tier
Input (per 1M tokens)
$1.25
-
Output (per 1M tokens)
$5
-
Features
Context Window
1049K
-
Vision/Images
Audio
Video
Code Generation
AI Agents
Gemini 3 Pro
Pros
- Best value - cheapest premium model
- Massive 1M+ token context
- First model to hit 1500 Elo
- True multimodal (video, audio, text, images)
- Excellent for large codebases
Cons
- Writing style less polished than Claude
- Google ecosystem integration can be limiting
- Deep Think mode limited to Ultra subscribers
Synthesia
Pros
- Realistic AI avatars
- 140+ languages and voices
- No video production skills needed
- Fast turnaround
- Enterprise-ready with SOC 2 compliance
Cons
- Avatar-based only (no text-to-video)
- Limited creative flexibility
- Higher cost for heavy usage
- Avatars may feel uncanny to some viewers
Choose Gemini 3 if you need:
Large projects, budget-conscious users, multimodal tasks
Choose Synthesia if you need:
Training videos, corporate communications, localization
Ready to get started?
Both tools offer free tiers or trials. Try them out and see which one works best for your workflow.