gpt-5-3
Developer: OpenAI
Also known as
GPT-5.3 by OpenAI is available through 31 API providers on LMSpeed. Compare API pricing from $1.00 to $225.00 per million input tokens across providers. In speed benchmarks, the fastest provider reaches 64 tok/s.
gpt-5.3-chat |
60.56 tok/s |
2.42s |
| 03/04/2026, 19:37 | gpt-5.3-chat | 75.00 tok/s | 3.02s |
| 03/04/2026, 19:37 | gpt-5.3-chat | 70.83 tok/s | 1.89s |
| 03/04/2026, 19:29 | gpt-5.3-chat | 60.83 tok/s | 2.19s |
| 03/04/2026, 19:29 | gpt-5.3-chat | 43.68 tok/s | 3.00s |
| 03/04/2026, 19:29 | gpt-5.3-chat | 74.21 tok/s | 3.24s |
| 03/04/2026, 19:29 | gpt-5.3-chat | 71.21 tok/s | 3.18s |
| 03/04/2026, 19:29 | gpt-5.3-chat | 77.14 tok/s | 3.04s |