Key Takeaways
Gemini 3.1 Pro Preview wins:
- Larger context window
GPT-5 wins:
- Cheaper input tokens
- Cheaper output tokens
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
Price Advantage
GPT-5
Benchmark Advantage
GPT-5
Context Window
Gemini 3.1 Pro Preview
Speed
GPT-5
Pricing Comparison
Benchmark Comparison
Context & Performance
Capabilities
Feature Comparison
| Feature | Gemini 3.1 Pro Preview | GPT-5 |
|---|---|---|
Vision (Image Input) | ||
Tool/Function Calls | ||
Reasoning Mode | ||
Audio Input | ||
Audio Output | ||
PDF Input | ||
Prompt Caching | ||
Web Search |
License & Release
| Property | Gemini 3.1 Pro Preview | GPT-5 |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | OpenAI | |
| Released | Feb 2026 | Aug 2025 |
Gemini 3.1 Pro Preview Modalities
Input
audiofileimagetextvideo
Output
text
GPT-5 Modalities
Input
textimagefile
Output
text