GPT model for general reasoning, writing, coding, and tool-assisted tasksGPT Sol Latest by openai is offered by 4 providers on this page. Public prices are shown for 3 of them. No official API price is listed for it; the prices below come from third-party channels. The lowest paid channel is OpenRouter at $2.00 / $10.00 per 1M. That channel is a third-party gateway, so confirm its availability and rate limits before depending on it.
The context window is 1,050,000 tokens at the reference host, but hosts report different limits, from 1,000,000 to 1,050,000, so the usable window depends on the provider you pick. It supports reasoning, tool use, and structured output. Accepted input modalities are PDF, Image, and Text. Its training knowledge cuts off at 2026-02-16.
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| OpenRouter | Gateway | $2.00 tiered >272K: $4.00 | $10.00 | $0.10 | $2.50 | 1,050,000 | 128,000 | |
| NanoGPT | Gateway | $2.00 | $10.00 | $0.10 | $2.50 | 1,050,000 | 128,000 | |
| Kilo Gateway | Gateway | $2.00 | $10.00 | $0.10 | $2.50 | 1,050,000 | 128,000 | |
| The Grid AI | Gateway | — | — | — | — | 1,000,000 ⚠ | 128,000 | hostTable.undisclosed |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Interleaved thinking (reasoning between tool calls) is declared by 1 of 4 providers.
Price history accumulates from each data sync; currently only 1 sample(s) (2026-09-12). Each future sync adds a point, and once accumulated a line is drawn here.