Model Releases
Big model release today - I wrote about Claude Opus 5.5, GPT-6 Sol, and GPT-6 Luna - plus comparison grids of pelicans by the different mode…
Big model release today - I wrote about Claude Opus 5.5, GPT-6 Sol, and GPT-6 Luna - plus comparison grids of pelicans by the different model families at different reasoning levels https://simonwillis
Big model release today - I wrote about Claude Opus 5.5, GPT-6 Sol, and GPT-6 Luna - plus comparison grids of pelicans by the different model families at different reasoning levels https://simonwillison.net/2026/Sep/22/opus-and-sol-and-luna/
Related
- Here are Fable's pelicans for the different thinking effort levels, plus how much each one cost to generate via the Claude API
- A few notes on Anthropic's new Claude Fable 5.1 - with Max thinking level I got the best SVG pelican I've had from any Anthropic model (at a…
- I switched my https://agent.datasette.io instance to Luna (it was previously on Gemini 3.1 Flash-Lite - Luna is cheaper now) - you can sign …
Source: Simon Willison (X) | 2026-09-22