Because of its pinpoint issue-diagnosis capability. I had a stubborn MCP authentication problem that wouldn't work through a proxy — ran it past several other models multiple times, and none could nail down the root cause. GPT-5.6 Sol cracked it in one shot.
Or… what if we gave you $100 in Codex credits if you tell us what you love about GPT-5.6 Sol or why you switched?
Tweet it, claim your gift, enjoy more usage. First 10k get the free tokens!
https://t.co/8mU93eA13i