@simon.fedi.simonwillison.net.ap.brid.gy on Bluesky

JavaScript RequiredThis is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is. Learn more about Bluesky at bsky.social and atproto.com.

Post

Simon Willison

simon.fedi.simonwillison.net.ap.brid.gy

did:plc:mro7axagquvjt63foaqzddjx

My notes on the GPT-4.1 series so far - 1m tokens (across all three models) and GPT-4.1-nano being their cheapest model yet are particularly notable https://simonwillison.net/2025/Apr/14/gpt-4-1/

2025-04-14T18:19:14.248Z