https://www.nextaimodel.com/lines/openai-astra Every new release in OpenAI's GPT Astra line, from Next AI Model. Newest 20 releases. en Sat, 24 Oct 2026 17:12:56 GMT https://www.nextaimodel.com/models/gpt-6-astra https://www.nextaimodel.com/models/gpt-6-astra Fri, 04 Sep 2026 12:00:00 GMT OpenAI OpenAI · GPT Astra line · released September 4, 2026. OpenAI's new flagship scores 6 points higher than GPT-5.6 Sol on the all-round intelligence index, makes up far fewer answers and uses a third of the tokens on coding-agent work — at 2.5 times the price.