GPT-6.1 Sol replaces GPT-6 Sol 7 days after launch, 1 point behind GPT-6 Astra on intelligence index

GPT-6.1 Sol replaced GPT-6 Sol 7 days after launch. Its intelligence index is 1 point below GPT-6 Astra, and pricing stays at $2 per million input tokens and $10 per million output tokens. The cached-read discount rises from 90% to 95%.

Why it matters: Side-by-side intelligence index, cost and token-efficiency figures let readers judge the trade-off GPT-6.1 Sol makes between price and capability.