gpt-5.6 sol ultra– tag –

🚨 Everything you’re about to see, I benchmarked using the tool I made. If you want to run these tests yourself or test models on whatever you actually use them for! → Opus 5 just leaked... and it may be Anthropic's most capable model ye...

GPT 5.6 Sol just dropped, and we ran OpenAI's new GPT 5.6 against Claude Fable 5 in Codex for four days. Here are 7 rules for getting the most out of gpt-5.6 Sol: what to use it for, where it beats Fable 5, where it doesn't, and the one ...