GPT-6 Sol vs Opus 5.5: cost per correct task, not per token
GPT-6 Sol costs exactly half as much per token as Claude Opus 5.5, but that does not make it half the cost of finishing your work. Sol is cheaper per attempt. Opus 5.5 succeeds more often on hard
Fri Sep 25 2026 · 6 min read · 0 views