GPT-6 Sol Underperforms Predecessor, Leaving a Gap in the Model Lineup

Jarr11 · reddit · 2026-09-24

A Reddit user found GPT-6 Sol noticeably less capable and thorough than GPT-5.6 Sol—closer to 5.6-Terra in quality but priced at the higher tier. With 6-Astra overkill and too compute-hungry for most tasks, they argue the GPT-6 lineup is missing a mid-tier model, and ask how to recover the 5.6-Sol experience.

Related event: GPT-6 Sol/Luna launch splits opinion: half-price but dumber?(9 posts)→

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