GPT-4o vs Large
30-second takeaway
- Large has the cheaper input: $2.116 vs $2.5 (per 1M tokens, 15% less)
- Same context window (128K tokens)
More specs (max output / capabilities)
| max output | 16,384 | 102,400 |
| Reasoning | — No | — No |
| 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.