Simon Willison's Weblog:
The GPT-4 barrier has finally been broken, with Gemini 1.5, Mistral Large, Claude 3 Opus, and Inflection-2.5 benchmarking near or even above OpenAI's model — Four weeks ago, GPT-4 remained the undisputed champion: consistently at the top of every key benchmark, but more importantly the clear winner in terms of “vibes”.