https://www.nextaimodel.com/lines/openai-nano Every new release in OpenAI's GPT Luna line, from Next AI Model. Newest 20 releases. en Sat, 24 Oct 2026 17:12:56 GMT https://www.nextaimodel.com/models/gpt-6-luna https://www.nextaimodel.com/models/gpt-6-luna Tue, 22 Sep 2026 12:00:00 GMT OpenAI OpenAI · GPT Luna line · released September 22, 2026. Half the input price and 58% less on output than GPT-5.6 Luna, with a 1-point higher all-round score. https://www.nextaimodel.com/models/gpt-5-6-luna https://www.nextaimodel.com/models/gpt-5-6-luna Thu, 09 Jul 2026 12:00:00 GMT OpenAI OpenAI · GPT Luna line · released July 9, 2026. The lightest tier of the GPT-5.6 trio, positioned by OpenAI as the fast, affordable model: $0.20 per million input tokens and $1.20 per million output tokens after the 30 July price cut. https://www.nextaimodel.com/models/gpt-5-4-nano https://www.nextaimodel.com/models/gpt-5-4-nano Tue, 17 Mar 2026 12:00:00 GMT OpenAI OpenAI · GPT Luna line · released March 17, 2026. https://www.nextaimodel.com/models/gpt-5-nano https://www.nextaimodel.com/models/gpt-5-nano Thu, 07 Aug 2025 12:00:00 GMT OpenAI OpenAI · GPT Luna line · released August 7, 2025. https://www.nextaimodel.com/models/gpt-4-1-nano https://www.nextaimodel.com/models/gpt-4-1-nano Mon, 14 Apr 2025 12:00:00 GMT OpenAI OpenAI · GPT Luna line · released April 14, 2025.