GPT-5.6 Sol: Better AND cheaper than Fable
Summary
GPT-5.6 Sol is back, and I ran it through my full How I AI vibe benchmark against GPT-5.6 Terra, Luna, Claude Fable 5, and Sonnet 5 across five categories: PRDs, prototypes, wireframes, debugging, and
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Transcript Excerpt
I have been very very very sad the last week because for the last week I have not had access to my true favorite top-of-the-line model GPT56. But guess what babes? It is back and I am here to walk you through GPT56 Soul, GPT56 Luna, GPT56 Terra. I'm going to tell you what are these models, how have I been using them, why are they my heart's favorite, and is Fable better than all of them or not? I have been testing this model for a couple weeks. There was a few days there where we didn't have access and I found myself desperate to get this workhorse model back. Now, we're not just relying on my own opinion. We are going to run the very famous, very new how I AI vibe review benchmark against common tasks from PRD writing to prototyping to whether or not it's cute in my open claw agent and I'…