… If you’re a developer, you can get started quickly by using claude-sonnet-4-6 via the Claude API . Footnotes For GPT-5.2 and Gemini 3 Pro, we compared against the best reported model version available via API in the charts and table. …
… For Claude Opus 4.6, we ran the most comprehensive set of safety evaluations of any model, applying many different tests for the first time and upgrading several that we’ve used before. …
… So I started by asking Claude to come up with a plan of attack: what tasks needed to be done in what order. I also asked GPT 5.2 and Gemini 3.0. …