Grok 4 vs Synthesia
A detailed comparison to help you choose the right AI tool for your needs.
Feature Comparison
Feature
Grok 4
Synthesia
Ratings
Overall Rating
4.6
4.6
Coding
4.5
-
Writing
4.4
-
Reasoning
4.6
-
Speed
4.7
4.5
Value
4.3
4.4
Pricing
Monthly Price
$25
$22
Free Tier
Input (per 1M tokens)
$5
-
Output (per 1M tokens)
$15
-
Features
Context Window
256K
-
Vision/Images
Audio
Video
Code Generation
AI Agents
Grok 4.1
Pros
- Real-time access to X (Twitter) data
- Best for current events and live data
- Strong coding (74.9% SWE-bench)
- Less filtered/censored responses
- 256K context window
Cons
- Requires X Premium+ subscription
- Less polished than competitors
- Limited enterprise features
- No free tier
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 Grok 4 if you need:
Current events, real-time data, social media analysis
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.