GPT-6.1 Sol Trails Opus and Sonnet 5.5 on Intelligence but Is Pareto-Optimal on Efficiency
daniel_mac8 · x · 2026-09-30
danielmac8 weighs in on GPT-6.1 Sol using Artificial Analysis data:
- It doesn't top Opus or Sonnet 5.5 on intelligence.
- But it is Pareto-optimal on efficiency, making it strong value.
- Suggested use: as a subagent for Opus 5.5 in Claude Code via the Codex plugin; he shares a ready-to-try setup called 'fable-advisor'.
A third-party evaluation with a practical usage recipe.
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