OpenAI introduces Lockdown Mode to prevent data exfiltration from prompt injection attacks in ChatGPT.
OpenAI introduces Lockdown Mode to prevent data exfiltration from prompt injection attacks in ChatGPT.
Build an AI email triage agent using LangChain, LangGraph, and OpenAI in under 100 lines of Python code.
Learn how to build a Python email triage agent using the ReAct (Reason + Act) pattern for step-by-step reasoning and tool use.
Analysis of Anthropic and OpenAI achieving product-market fit through enterprise API pricing and rising AI usage costs.
Analysis of Anthropic and OpenAI achieving product-market fit with rising enterprise API costs and profitable quarters.
Analysis of rising demand for Forward Deployed Engineers at Google, OpenAI, and Anthropic, with simplified hiring and outsourced deployment.
Analysis of Y Combinator's stake in OpenAI and its implications for Sam Altman's trustworthiness.
Simon Willison quotes Romain Huet on OpenAI's GPT-5.5 unifying Codex and main model for agentic coding.
A quote from Romain Huet confirming OpenAI won't release a separate GPT-5.5-Codex model, as coding capabilities are unified.
Guide to prompting GPT-5.5 with tips from OpenAI, including migration advice and a trick for multi-step tasks.
A guide on prompting GPT-5.5, including tips for multi-step tasks, migration advice, and starting fresh with new prompts.
Release notes for llm 0.31, a command-line tool for accessing large language models, featuring GPT-5.5 support and new options.
Release notes for llm 0.31, a command-line tool for accessing large language models, featuring GPT-5.5 support and new options.
GPT-5.5 is released via Codex; a new LLM plugin uses the semi-official backdoor API to access it through OpenAI subscriptions.
Exploring GPT-5.5 via the Codex backdoor API, including a new LLM plugin for using ChatGPT subscriptions with Codex.
Release of llm-openai-via-codex 0.1a0, a plugin to access OpenAI models via Codex CLI credentials.
Release of llm-openai-via-codex 0.1a0, enabling OpenAI model access via Codex CLI credentials.
Testing OpenAI's ChatGPT Images 2.0 with a Where's Waldo-style raccoon and ham radio prompt, comparing results across models.
Testing OpenAI's new ChatGPT Images 2.0 model by generating 'Where's Waldo' style images with a raccoon holding a ham radio.
