GPT-4 | OpenAI
Mar 14, 2023 · GPT‑4‑assisted safety research GPT‑4’s advanced reasoning and instruction-following capabilities expedited our …
Introducing ChatGPT - OpenAI
Nov 30, 2022 · We’ve trained a model called ChatGPT which interacts in a conversational way. The dialogue format makes it …
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Tokenizer - OpenAI API
A helpful rule of thumb is that one token generally corresponds to ~4 characters of text for common English text. This translates to …
OpenAI Academy
Unlock the new opportunities of the AI era by equipping yourself with the knowledge and skills to harness artificial intelligence …
ChatGPT Rate Card (Business, Enterprise/Edu) - OpenAI Help Center
Instant chat is unlimited. Medium, High, and Extra High use different reasoning efforts, but they all use GPT‑5.6 Sol and have the …
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Account, login and billing - OpenAI Help Center
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I've upgraded to chat plus but my platform account still requests to be ...
Apr 1, 2023 · Ive upgraded to chat plus using the email i used the free trial with. I can access the chat plus but platform.openai still …
Codex Prompting Guide
Feb 25, 2026 · Codex models advance the frontier of intelligence and efficiency and our recommended agentic coding model. Follow …