Model comparison
o4 Mini vs Gemini 3.1 Pro
OpenAI
o4 Mini
Fast, cheap reasoning for high-volume intelligent tasks.
Gemini 3.1 Pro
Google's latest frontier model with expanded reasoning.
Specs
| Metric | o4 Mini | Gemini 3.1 Pro |
|---|---|---|
| Context window | 200K tokens | 1.0M tokens↑ |
| Input $/1M tokens | $1.10↑ | $2.00 |
| Output $/1M tokens | $4.40↑ | $12.00 |
| Modalities | Image · Text · File | Audio · File · Image · Text · Video |
| Open weights | No | No |
Capability differences
| Capability | o4 Mini | Gemini 3.1 Pro |
|---|---|---|
| Vision | No | Yes |
| Prompt caching | No | Yes |
Key differences
- -o4 Mini offers 200K context; Gemini 3.1 Pro offers 1.0M.
- -Input pricing: o4 Mini at $1.10/1M vs Gemini 3.1 Pro at $2.00/1M.