OpenAI: GPT-5
GPT-5 is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and accuracy...
Everything else
| Max output | 128K |
|---|---|
| Input / 1M | $1.25 |
| Output / 1M | $10 |
| Cache read / 1M | $0.125 |
| Cache write / 1M | — |
| 1M in + 1M out | $11.25 |
| Takes | text, image, file |
| Returns | text |
| Tools | yes |
| Reasoning | always on · high, medium, low, minimal |
| Open weights | no |
| Released | 2025-08-07 |
| Knowledge cutoff | 2024-09-30 |
| Retires | — |
| Catalog id | openai/gpt-5 |
Benchmarks
| source | epoch |
|---|---|
| eci | 150 |
| confidence | Speculative |
| accessibility | API access |
Benchmark scores by Epoch AI, CC BY 4.0.
Using it
In 00, this model is picked per agent — and per tier, so the model that answers your customers need not be the one that writes your code. Get 00.