ChatGPT/Instant models
ChatGPT/Instant models refers to a set of models that have been used in the ChatGPT app by OpenAI.
Models
| GPT-5.3 Instant | 2026-03-03 | Deprecated | 128K | $1.75 / $14 |
| GPT-5.1 Instant | 2025-11-12 | Deprecated | 128K | $1.25 / $10 |
| GPT-5 Instant | 2025-08-07 | Deprecated | 128K | $1.25 / $10 |
| gpt-4o-2024-11-20 | 2024-11-20 | Active | 128K | $2.5 / $10 |
| gpt-4o-2024-08-06 | 2024-08-06 | Active | 128K | $2.5 / $10 |
| gpt-4o-2024-05-13 | 2024-05-13 | Deprecated | — | $5 / $15 |
6 of 6 models