Fable 5 is the smarter model. I still open GPT-5.6 Sol every day — Model Fit will tell you which one is yours.

The author uses GPT-5.6 Sol for work because it handles long, detailed prompts and iterative corrections well. While Fable 5 is technically better at understanding incomplete intent, Sol is preferred for the author’s specific workflow. This highlights that the choice of AI model depends on individual work styles, not just raw performance.

• The author benchmarks AI models, noting Fable 5 outperforms Sol on average.
• Fable 5 excels at understanding incomplete intent and nuances.
• The author consistently uses Sol due to its ability to handle long, technical prompts and iterative refinement.
• Sol works well within the author’s established tools and workflow.
• The choice between AI models depends on the individual’s work style and needs.
• The author has developed ‘Model Fit’ to help users choose the right AI model based on their personal work habits.
  https://bender.layer3.press/articles/8fd3ece9-7625-450d-9e3b-a8eaa96bb0f6