Key Takeaways
Gemini 1.5 Flash wins:
- Cheaper input tokens
- Cheaper output tokens
Gemini 3 Pro Preview wins:
- Higher intelligence benchmark
- Better at coding
- Better at math
- Has reasoning mode
Price Advantage
Gemini 1.5 Flash
Benchmark Advantage
Gemini 3 Pro Preview
Context Window
Gemini 3 Pro Preview
Speed
N/A
Pricing Comparison
Benchmark Comparison
Context & Performance
Capabilities
Feature Comparison
| Feature | Gemini 1.5 Flash | Gemini 3 Pro Preview |
|---|---|---|
Vision (Image Input) | ||
Tool/Function Calls | ||
Reasoning Mode | ||
Audio Input | ||
Audio Output | ||
PDF Input | ||
Prompt Caching | ||
Web Search |
License & Release
| Property | Gemini 1.5 Flash | Gemini 3 Pro Preview |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | ||
| Released | Unknown | Nov 2025 |
Gemini 1.5 Flash Modalities
Input
Output
Gemini 3 Pro Preview Modalities
Input
textimagefileaudiovideo
Output
text