Dan Shipper is the CEO and cofounder of Every. Every week he explores the frontiers of AI in his column, Chain of Thought, and on his podcast, ‘The Every Podcast’.
Vibe Check: GPT-6 Sol vs. Opus 5.5
Two models, one clear tradeoff
Sep 22, 2026 · 1 min readUpdated Oct 13, 2026
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Two big models dropped today: OpenAI’s GPT-6 Sol and Anthropic’s Claude Opus 5.5.
We had a separate Vibe Check prepared for Sol, but with both arriving today, you’re probably wondering: Should I use Sol 6 or Opus 5.5? So here’s a short Vibe Check to help you answer exactly that question, based on our experience and evals testing both models extensively on the work we do every day.
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