Key Takeaways
Gemini 2.5 Flash wins:
- Cheaper input tokens
- Cheaper output tokens
- Faster response time
- Better at math
- Has reasoning mode
GPT-5.4 wins:
- Larger context window
- Higher intelligence benchmark
- Better at coding
Price Advantage
Gemini 2.5 Flash
Benchmark Advantage
GPT-5.4
Context Window
GPT-5.4
Speed
Gemini 2.5 Flash
Pricing Comparison
Benchmark Comparison
Context & Performance
Capabilities
Feature Comparison
| Feature | Gemini 2.5 Flash | GPT-5.4 |
|---|---|---|
Vision (Image Input) | ||
Tool/Function Calls | ||
Reasoning Mode | ||
Audio Input | ||
Audio Output | ||
PDF Input | ||
Prompt Caching | ||
Web Search |
License & Release
| Property | Gemini 2.5 Flash | GPT-5.4 |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | OpenAI | |
| Released | Jun 2025 | Mar 2026 |
Gemini 2.5 Flash Modalities
Input
fileimagetextaudiovideo
Output
text
GPT-5.4 Modalities
Input
textimagefile
Output
text