OpenAI Launches GPT-6 Astra on OpenRouter: A New Flagship Model for Advanced Agentic Tasks and Research
On September 4, 2026, OpenAI officially released GPT-6 Astra, its latest flagship model designed for high-demand, end-to-end professional workflows. Now available via the OpenRouter platform, GPT-6 Astra features a massive 1-million-token context window and is priced at $10 per 1 million input tokens and $50 per 1 million output tokens. The model is specifically optimized for complex domains including software engineering, deep scientific research, and document creation. A standout feature of GPT-6 Astra is its proficiency in long-horizon agentic tasks, particularly those requiring autonomous computer and browser interaction. OpenRouter provides access to the model through various routing modes—Balanced, Nitro, and Exacto—allowing developers to optimize for speed, cost, or tool-calling accuracy while maintaining OpenAI API compatibility.








