> For the complete documentation index, see [llms.txt](https://learn.islash.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://learn.islash.io/ai-agents/ai-models-update-2026.md). # Deploy ChatGPT 5 Series and Gemini 3.1 Series with iSlash AI. (2026) To provide you with the most advanced, efficient, and high-performance AI capabilities, we are updating our supported model lineup. This includes the sunsetting of legacy versions and the introduction of our next-generation models. ### 📅 Upcoming Deprecation Schedule Please take note of the following dates when older models will be retired: {% columns %} {% column %} 15 April 2026 * ChatGPT 3.5 Turbo * ChatGPT 4o * Gemini 3 Pro Preview. {% endcolumn %} {% column %} 17 June 2026 * Gemini 2.5 Flash * Gemini 2.5 Pro. {% endcolumn %} {% endcolumns %} ### ✅ New Models Available We are excited to transition our users to more powerful and optimized engines. You can now begin integrating the following models into your projects: {% columns %} {% column %} **The ChatGPT 5 Series** * ChatGPT 5 Chat * ChatGPT 5 Mini * ChatGPT 5.4 Mini {% endcolumn %} {% column %} **The Gemini 3.1 Series** * Gemini 3.1 Pro Preview * Gemini 3.1 Flash Lite Preview {% endcolumn %} {% endcolumns %} \\ These models offer significant improvements in reasoning, speed, and context window management, ensuring your AI-driven tasks are more accurate and cost-effective. We recommend reviewing your current API configurations or automation settings to ensure a seamless transition. ## Transform Your Workflow with iSlash AI and Leading AI Models In today's fast-paced world, productivity is more important than ever. With increasing demands on our time and energy, finding ways to optimize our efficiency is crucial. Enter artificial intelligence (AI), a transformative force that's revolutionizing how we work and live.