Key Takeaways
Sonar Pro wins:
- No clear advantages in compared metrics
Grok 4 wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
- Has reasoning mode
Price Advantage
Sonar Pro
Benchmark Advantage
Grok 4
Context Window
Grok 4
Speed
Grok 4
Pricing Comparison
Benchmark Comparison
Context & Performance
Capabilities
Feature Comparison
| Feature | Sonar Pro | Grok 4 |
|---|---|---|
Vision (Image Input) | ||
Tool/Function Calls | ||
Reasoning Mode | ||
Audio Input | ||
Audio Output | ||
PDF Input | ||
Prompt Caching | ||
Web Search |
License & Release
| Property | Sonar Pro | Grok 4 |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Perplexity | Xai |
| Released | Mar 2025 | Jul 2025 |
Sonar Pro Modalities
Input
textimage
Output
text
Grok 4 Modalities
Input
imagetext
Output
text