GPT-4o vs o4-mini
30-second takeaway
- o4-mini has the cheaper input: $1.1 vs $2.5 (per 1M tokens, 56% less)
- o4-mini has the larger context: 200K vs 128K tokens
More specs (max output / capabilities)
| max output | 16,384 | 100,000 |
| Reasoning | — No | ✓ Yes |
| Tool calls | ✓ Yes | ✓ Yes |
| Open weights | — No | — No |
Prices are official/data-source rates (per 1M tokens), not what relays actually charge — relay prices vary with discounts and group multipliers. See methodology.