Key Takeaways
o4 Mini wins:
- Cheaper input tokens
- Cheaper output tokens
- Faster response time
- Better at math
- Supports vision
GLM 5 wins:
- Larger context window
- Higher intelligence benchmark
- Better at coding
Price Advantage
o4 Mini
Benchmark Advantage
GLM 5
Context Window
GLM 5
Speed
o4 Mini
Pricing Comparison
Benchmark Comparison
Context & Performance
Capabilities
Feature Comparison
| Feature | o4 Mini | GLM 5 |
|---|---|---|
Vision (Image Input) | ||
Tool/Function Calls | ||
Reasoning Mode | ||
Audio Input | ||
Audio Output | ||
PDF Input | ||
Prompt Caching | ||
Web Search |
License & Release
| Property | o4 Mini | GLM 5 |
|---|---|---|
| License | Proprietary | Open Source |
| Author | OpenAI | Z-ai |
| Released | Apr 2025 | Feb 2026 |
o4 Mini Modalities
Input
imagetextfile
Output
text
GLM 5 Modalities
Input
text
Output
text