Simon Willison’s Weblog

Opera and the Acid3 Test. Screenshot shows 100/100 (live code or it didn’t happen!)—Opera’s codebase must be in extremely good shape to fix so many issues so quickly.

Posted 26th March 2008 at 10:47 pm

Recent articles

Olmo 3 is a fully open LLM - 22nd November 2025
Nano Banana Pro aka gemini-3-pro-image-preview is the best available image generation model - 20th November 2025
How I automate my Substack newsletter with content from my blog - 19th November 2025

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