ChatGPT - Wikipedia It has two versions, one running in a virtual machine in the cloud, and one where the agent runs in the cloud, but performs actions on a local machine connected via API
ChatGPT ChatGPT is your AI chatbot for everyday use Chat with the most advanced AI to explore ideas, solve problems, and learn faster
OpenAI ChatGPT Timeline: From GPT-1 to GPT-5. 4 (2026 Update) - ScriptByAI OpenAI introduced ChatGPT for Excel, ask ChatGPT to build full spreadsheets, get insights across tabs and formulas, and update workbooks in real time so projects move forward faster GPT-5 4 Thinking and GPT-5 4 Pro are rolling out now in ChatGPT GPT-5 4 is also now available in the API and Codex
Models - OpenAI API If you're optimizing for latency and cost, choose a smaller variant like gpt-5 4-mini or gpt-5 4-nano All latest OpenAI models support text and image input, text output, multilingual capabilities, and vision
Which ChatGPT Model Should I Use in 2026? GPT-5. 2 vs. GPT-5. 1 This 2026 guide breaks down GPT-5 2 vs GPT-5 1 vs earlier models, explains what actually matters for business use cases, and helps you pick the right ChatGPT version based on workflow complexity, automation goals, and tech maturity
ChatGPT Available Models: All Supported Models, Version Differences . . . ChatGPT Supports Multiple Models, Including The Latest, Legacy, And Reasoning Variants The current ChatGPT lineup centers on the GPT-5 2 family, presented in selectable modes that allow users to prioritize speed, depth, or research-grade performance