OpenAI has introduced GPT-6 Astra, its latest model designed for complex tasks such as software engineering and scientific research. Released on September 4, 2026, it features a large context window and is available through multiple providers, ensuring reliability and performance.
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GPT-6 Astra is OpenAI's flagship model tailored for demanding end-to-end tasks, including advanced analysis, software engineering, deep research, and document creation.
The model excels in long-horizon agentic tasks that require computer and browser interaction.
Pricing for GPT-6 Astra is set at $10.00 per million input tokens and $50.00 per million output tokens, with additional rates for cache reads, cache writes, and web searches.
It supports a context window of 1,050,000 tokens and can handle up to 128,000 completion tokens.
GPT-6 Astra was released on September 4, 2026, and is accessible through OpenRouter, which routes requests to providers like OpenAI and Azure (US).
The system includes automatic failover to ensure continuous service, and users can customize provider routing.
The model is designed to accept various input formats, including PDFs, images, and text, and can return structured outputs in JSON format.