Sign in with ChatGPT lets Plus/Pro users spend plan usage across 11 partner apps

_AustinCalvert_ · x · 2026-10-03

OpenAI's "Sign in with ChatGPT" plan-usage integration is now live for Plus and Pro subscribers (Business/Enterprise coming soon): subscribers can log in on 11 commercial launch partners' portals and spend their ChatGPT plan usage allowances there — Notion AI, Ampcode, Kilo Code, Devin, Warp, v0 by Vercel, Hyperagent, Hermes Agent, Conductor, Vorflux and Dactyl (subject to partner app restrictions), with Lovable coming soon. OSS launch partners Pi, T3, Opencode and OpenClaw support Sign in with ChatGPT as well.

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