By John Gruber
OpenAI, Anthropic, Cursor, and Perplexity chose WorkOS over building it themselves.
Daring Fireball t-shirts and hoodies are back. Order now, and we’ll start printing shirts at the end of this week and shipping them out next week. Go ahead and place your order now, while I gather my thoughts about today’s Apple leadership news.
★ Monday, 20 April 2026