Simon Willison’s Weblog

How to use AI to do practical stuff: A new guide (via) Ethan Mollick’s guide to practical usage of large language model chatbot like ChatGPT 3.5 and 4, Bing, Claude and Bard is the best I’ve seen so far. He includes useful warnings about common traps and things that these models are both useful for and useless at.

# 31st March 2023, 6:17 am / bing, ai, chatgpt, bard, llms, ethan-mollick, claude

Introducing Claude. Anthropic released the first two versions of Claude, "a next-generation AI assistant based on Anthropic’s research into training helpful, honest, and harmless AI systems". Claude and Claude Instant are both available via a web chat interface and through their API.

(I back-filled this link on Feb 25th 2026 to help fill out my llm-release tag.)

# 14th March 2023, 8:01 pm / ai, generative-ai, llms, anthropic, claude, llm-release