Standard & Paid Price
| Meter | Standard Price | Paid Price | Save |
|---|---|---|---|
| Input price | $10.0000 / 1M tokens | $6.5000 / 1M tokens | -35% |
| Completion price | $50.0000 / 1M tokens | $32.5000 / 1M tokens | -35% |
| Cache read price | $1.0000 / 1M tokens | $0.6500 / 1M tokens | -35% |
| Cache creation price | $12.5000 / 1M tokens | $8.1250 / 1M tokens | -35% |
Description
OpenAI GPT-6 Astra — OpenAI's most capable model, built for the hardest end-to-end work: complex reasoning, coding, computer use, research, and document creation. It supports text and image input, a 1,050,000-token context window, up to 128,000 output tokens, and reasoning effort settings up to xhigh and max.
Capabilities
- Input modalities
- text, image
- Output modalities
- text
- Tasks
- chat, reasoning, vision, file-video-understanding
Decision evidence
GPT-6 Astra is OpenAI's closed-weight flagship, released on 2026-09-03 as its most capable model, with a 1,050,000-token context window (922,000 input), 128,000 output tokens and text and image input; its tool calling requires the Responses API. It placed first on two real robot tasks in Cortex AI's evaluation and third on AI Coding Daily's coding leaderboard, behind only Claude Opus 5.5, while users report more cost and quota per task than GPT-6 Sol, and one moved a coding project back to DeepSeek V4.1 Flash after $130 of Astra turns.
2026-09-25 · Markdown evidence · JSON data
API endpoints
POST /v1/chat/completions(openai)POST /v1/responses(openai-response)