Using Claude Code: Spending your effort One of the best parts of our newest Claude models is how they respond to effort without breaking the prompt cache in Claude Code, but I’ve received a lot of questions on this from users. What is effort really and when do you use which effo…↗

opus 5.5 = personality of opus 4.6 that we all *desperately* wanted back + the intelligence & taste of fable 5.1. and a 25% usage bump! i honestly don’t really see a reason to use another model right now? s-tier release.↗

A few days ago, Anthropic shared this brilliant prompt. I was surprised by how it significantly improved writing with Fable 5.1. Even more surprising, it also improved writing for GPT-5.6 Sol. I have it as a rule everywhere I use AI for editing/writing.↗

Fable 5.1 + Opus 5↗

Super early preview of what I'm spending all of my Fable 5.1 tokens on. A GTA-style open-world multiplayer game, set in NYC. Fable will iron out some kinks over the next day or so, and then you all can play it! I'll keep the loop going so it keeps getting better.↗

FABLE 5.1 MARIO with HIGH EFFORT Best Mario benchmark ever↗

Fable 5.1 is a beast at many things but one thing in particular I have been having a ton of fun with is generating videos through code. For this one I gave it a picture of a property lot. It designed a house for the lot, rendered it, and produced a cinematic walkthrough.↗

🚨 SCOOP(s): - GPT-5.6 will be the final model in the 5.x series. GPT-6 is slated to launch in about a month, earlier than expected, and possibly even later this month - GPT-6 will be based on a new, significantly larger pretrain (versus the ~4T 5.5/5.6 'Spud' base) - There is l…↗