GPT-6 Sol and Luna halve pricing to $2/$10 and $0.10/$0.50 with flat intelligence scores
burny_tech · x · 2026-09-23
- Per Artificial Analysis, GPT-6 Sol and Luna push the cost-efficiency frontier, halving prices vs GPT-5.6: Sol drops from $4/$20 to $2/$10 per million input/output tokens, Luna from $0.20/$1.20 to $0.10/$0.50, keeping the 90% cache-read discount and 25% cache-write premium.
- Intelligence: Intelligence Index and Coding Agent Index scores remain level with GPT-5.6, with some evals up and others down.
- Cost per task: GPT-6 Sol (max) runs at $1.06 vs $1.99 for GPT-5.6 Sol (max), 50% cheaper; Luna (max) at $0.07, 60% cheaper. xeophon notes only one model sits in the most attractive quadrant.
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