GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation.
GPT-6 Astra by openai is offered by 10 providers on this page. Its official list price is $10.00 per 1M input tokens and $50.00 per 1M output tokens.
The context window is 1,050,000 tokens, with an output limit of 128,000 tokens. It supports reasoning, tool use, and structured output. Accepted input modalities are Text, Image, and PDF.
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| NanoGPT | Gateway | $10.00 | $50.00 | $1.00 | $12.50 | 1,050,000 | 128,000 | |
| Vercel AI Gateway | Cloud | $10.00 tiered >272K: $20.00 | $50.00 | $1.00 | $12.50 | 1,050,000 | 128,000 | |
| Venice AI openai-gpt-6-astra | Gateway | $10.00 tiered >272K: $20.00 | $50.00 | $1.00 | $12.50 | 1,050,000 | 128,000 | |
| DevPass (LLM Gateway) | Gateway | $10.00 | $50.00 | $1.00 | $12.50 | 1,050,000 | 1,050,000 | |
| GitHub Copilot | Cloud | $10.00 tiered >272K: $20.00 | $50.00 | $1.00 | $12.50 | 1,050,000 | 128,000 | |
| Kilo Gateway | Gateway | $10.00 | $50.00 | $1.00 | $12.50 | 1,050,000 | 128,000 | |
| Merge Gateway | Gateway | $10.00 | $50.00 | $1.00 | — | 1,050,000 | 128,000 | |
| OpenRouter | Gateway | $10.00 tiered >272K: $20.00 | $50.00 | $1.00 | $12.50 | 1,050,000 | 128,000 | |
| OpenAIOfficial | First-party | $10.00 tiered >272K: $20.00 | $50.00 | $1.00 | $12.50 | 1,050,000 | 128,000 | |
| LLM Gateway | Gateway | $10.00 | $50.00 | $1.00 | $12.50 | 1,050,000 | 128,000 |
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.
| Mode | Provider | Input | Output | Cache read | Cache write |
|---|---|---|---|---|---|
| fast | OpenAI | $20.00 | $100 | $2.00 | $25.00 |
| pro | OpenAI | — | — | — | — |
Price history accumulates from each data sync; currently only 1 sample(s) (2026-09-05). Each future sync adds a point, and once accumulated a line is drawn here.