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GPT-4.1-mini

Ai Tool

GPT-4.1 is a large language model within OpenAI's GPT series. It was released on April 14, 2025. GPT-4.1 can be accessed through the OpenAI API or the OpenAI Developer Playground. Three different models were simultaneously released: GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano. Since May 14, GPT-4.1 has been available for users subscribed to the ChatGPT Plus and Pro plans, and GPT-4.1 mini that replaces GPT-4o mini is available for all ChatGPT users.

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OpenAI Skills and Prompt Caching meet mounting reliability reports

OpenAI introduced new guidance for Skills and advanced prompt caching while developers report reliability issues across models, retrieval, and agent tooling, so teams should adopt the new practices but harden for instability.

calendar_today 2026-02-20

openai openai-api chatgpt agent-builder langchain