Key Takeaways
GPT-5 wins:
- Cheaper input tokens
- Larger context window
- Faster response time
- Better at coding
- Better at math
Sonar Reasoning Pro wins:
- Cheaper output tokens
- Higher intelligence benchmark
Price Advantage
GPT-5
Benchmark Advantage
GPT-5
Context Window
GPT-5
Speed
GPT-5
Pricing Comparison
Benchmark Comparison
Context & Performance
Capabilities
Feature Comparison
| Feature | GPT-5 | Sonar Reasoning Pro |
|---|---|---|
Vision (Image Input) | ||
Tool/Function Calls | ||
Reasoning Mode | ||
Audio Input | ||
Audio Output | ||
PDF Input | ||
Prompt Caching | ||
Web Search |
License & Release
| Property | GPT-5 | Sonar Reasoning Pro |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | OpenAI | Perplexity |
| Released | Aug 2025 | Mar 2025 |
GPT-5 Modalities
Input
textimagefile
Output
text
Sonar Reasoning Pro Modalities
Input
textimage
Output
text