OpenAI: GPT-5.6 Sol (batch)
GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks...
Everything else
| Max output | 128K |
|---|---|
| Input / 1M | $2.50 |
| Output / 1M | $15 |
| Cache read / 1M | $0.25 |
| Cache write / 1M | — |
| 1M in + 1M out | $17.50 |
| Takes | file, image, text |
| Returns | text |
| Tools | yes |
| Reasoning | optional · max, xhigh, high, medium, low, none |
| Open weights | no |
| Released | 2026-07-09 |
| Knowledge cutoff | 2026-02-16 |
| Retires | — |
| Catalog id | openai/gpt-5.6-sol:batch |
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.