New embedding models and API updates(openai.com)

186 points by Josely 2 years ago | 64 comments

Improvements to the fine-tuning API and expanding our custom models program(openai.com)

61 points by Josely 2 years ago | 36 comments

OpenAI: Start using ChatGPT instantly(openai.com)

92 points by Josely 2 years ago | 116 comments

Open models by OpenAI(openai.com)

2027 points by lackoftactics 1 year ago | 804 comments

OpenAI's landing page for its open-weight reasoning models (gpt-oss), with links to download on Hugging Face, view on GitHub, and try the models.

Join us for OpenAI’s first developer conference on November 6 in San Francisco(openai.com)

36 points by davidbarker 3 years ago | 17 comments

ChatGPT app for iOS(openai.com)

622 points by rememberlenny 3 years ago | 375 comments

OpenAI blog post announcing the ChatGPT app for iOS, which syncs conversations, supports voice input, and brings the latest model improvements.

GPT-4 API General Availability(openai.com)

695 points by mfiguiere 3 years ago | 479 comments

OpenAI blog post announcing general availability of the GPT-4 API and the deprecation of older models in the Completions API.

DevDay 2026 Recap(openai.com)

85 points by polygot 27 days ago | 40 comments

OpenAI's recap page for its DevDay 2026 developer conference, featuring a live broadcast and announcements of new tools for building with its models.

GPT-5 for Developers(openai.com)

445 points by 6thbit 1 year ago | 251 comments

OpenAI's announcement of GPT-5 for developers via its API, pitched as its best model for coding and agentic tasks.

Notes on OpenAI's new o1 chain-of-thought models(simonwillison.net)

641 points by loganfrederick 2 years ago | 566 comments

Simon Willison's blog post with notes on OpenAI's o1-preview and o1-mini models, covering chain-of-thought training, API details, hidden reasoning tokens and examples.

OpenAI Audio Models(openai.fm)

610 points by KuzeyAbi 1 year ago | 285 comments

OpenAI.fm is an interactive demo where developers can try OpenAI's new text-to-speech model with selectable voices, vibes, and scripts.

OpenAI is good at unminifying code(glama.ai)

860 points by punkpeye 2 years ago | 290 comments

Glama blog post describing how OpenAI's model was used to reverse-engineer and unminify a minified JavaScript component that renders ASCII art.