GPT-5.3
GPT-5.3 is a family of large language models by OpenAI released in February 2026.
Models
| GPT-5.3 Instant | 2026-03-03 | Deprecated | 128K | $1.75 / $14 |
| GPT-5.3-Codex | 2026-02-05 | Active | 400K | $1.75 / $14 |
2 of 2 models
GPT-5.3 is a family of large language models by OpenAI released in February 2026.
| GPT-5.3 Instant | 2026-03-03 | Deprecated | 128K | $1.75 / $14 |
| GPT-5.3-Codex | 2026-02-05 | Active | 400K | $1.75 / $14 |