tech

Fable 5 is the smarter model. I still open GPT-5.6 Sol every day

Last night I opened ChatGPT 5.6 Sol even though I think Fable 5 is the smarter model.

Fable 5 is the smarter model. I still open GPT-5.6 Sol every day

TL;DR

  • Fable 5 outperforms Sol on average benchmarks, showing better understanding of subtle intent.
  • The author prefers Sol for their workflow, which involves long, technical prompts and iterative correction.
  • Sol is better suited for users who articulate problems thoroughly and steer the AI through feedback.
  • Fable is more helpful when the user's intent is not yet clearly defined.
  • The author believes AI model selection will increasingly depend on individual work styles, not just raw capability.
  • A tool called 'Model Fit' has been developed to help users choose the right AI model for their needs.