GPT-5.6 Sol Review: The New Capable King Approaching Utility Plateau

DimitrisPapail · x · 2026-08-21

The author finds GPT-5.6 Sol to be the most capable model across coding, math, agentic workflows, and writing, potentially surpassing the significance of GPT-5. Even with potential pauses in model development, optimizing inference for this model remains a viable business, as a non-trivial fraction of users may be nearing a plateau in utility.

Original post →

More from Models

Models channel →