Model comparison
o4 Mini vs o3
OpenAI
o4 Mini
Fast, cheap reasoning for high-volume intelligent tasks.
OpenAI
o3
OpenAI's mainstream reasoning model - production-viable thinking.
Specs
| Metric | o4 Mini | o3 |
|---|---|---|
| Context window | 200K tokens↑ | 200K tokens |
| Input $/1M tokens | $1.10↑ | $2.00 |
| Output $/1M tokens | $4.40↑ | $8.00 |
| Modalities | Image · Text · File | Image · Text · File |
| Open weights | No | No |
| Released | Apr 2025 | Apr 2025 |
Key differences
- -Input pricing: o4 Mini at $1.10/1M vs o3 at $2.00/1M.