https://www.nextaimodel.com/lines/openai-instant Every new release in OpenAI's GPT Instant line, from Next AI Model. Newest 20 releases. en Sat, 24 Oct 2026 17:12:56 GMT https://www.nextaimodel.com/models/gpt-5-5-instant-mini https://www.nextaimodel.com/models/gpt-5-5-instant-mini Mon, 06 Jul 2026 12:00:00 GMT OpenAI OpenAI · GPT Instant line · released July 6, 2026. It replaces GPT-5.3 Instant Mini as the fallback model ChatGPT users get after reaching their GPT-5.5 Instant or Auto limits; it does not appear in the model picker or the API. https://www.nextaimodel.com/models/gpt-5-5-instant https://www.nextaimodel.com/models/gpt-5-5-instant Tue, 05 May 2026 12:00:00 GMT OpenAI OpenAI · GPT Instant line · released May 5, 2026. OpenAI's new lightweight model: far fewer made-up answers and much stronger math than GPT-5.3 Instant Mini — and it's now the default free model in ChatGPT. https://www.nextaimodel.com/models/gpt-5-3-instant-mini https://www.nextaimodel.com/models/gpt-5-3-instant-mini Thu, 09 Apr 2026 12:00:00 GMT OpenAI OpenAI · GPT Instant line · released April 9, 2026. https://www.nextaimodel.com/models/gpt-5-3-instant https://www.nextaimodel.com/models/gpt-5-3-instant Tue, 03 Mar 2026 12:00:00 GMT OpenAI OpenAI · GPT Instant line · released March 3, 2026. https://www.nextaimodel.com/models/gpt-5-2-instant https://www.nextaimodel.com/models/gpt-5-2-instant Thu, 11 Dec 2025 12:00:00 GMT OpenAI OpenAI · GPT Instant line · released December 11, 2025. https://www.nextaimodel.com/models/gpt-5-1-instant https://www.nextaimodel.com/models/gpt-5-1-instant Wed, 12 Nov 2025 12:00:00 GMT OpenAI OpenAI · GPT Instant line · released November 12, 2025. https://www.nextaimodel.com/models/gpt-5-instant https://www.nextaimodel.com/models/gpt-5-instant Thu, 07 Aug 2025 12:00:00 GMT OpenAI OpenAI · GPT Instant line · released August 7, 2025.