GPT-6 Astra on OpenRouter

GPT-6 Astra is OpenAI’s flagship model for demanding end-to-end tasks. It offers a 1,050,000-token context window and 128,000 completion tokens. The model supports tool calling, structured JSON outputs, and file inputs such as PDFs, images, and text. Pricing is $10.00 per million input tokens and $50.00 per million output tokens, with separate cache and web-search rates.