OpenAI's $20 ChatGPT login is now the meter for Devin and 15 other developer tools
At DevDay on September 29, OpenAI shipped Sign in with ChatGPT: the OpenAI calls Devin makes for a subscriber now draw down that user's ChatGPT quota, with no separate API bill. Cognition raised $2 billion at $48 billion in September and keeps its product; OpenAI, whose Codex agent rivals Devin, owns the quota.
Vincent Jiang · 3 min read
One login, 16 tools, no second invoice
At DevDay on September 29, OpenAI$1.18T — OpenAI, private, latest valuation $1.18T shipped Sign in with ChatGPT, and a $20 ChatGPT plan started paying for another company's product 1. Sign into Devin, Cognition's~$10B — Cognition, private, latest valuation ~$10B coding agent, and the OpenAI calls it makes draw down the ChatGPT Work and Codex quota in that plan: no API key, no second invoice 12. Devin is one of 16 launch partners, Notion~$10B — Notion, private, latest valuation ~$10B, Vercel and Lovable~$1.8B — Lovable, private, latest valuation ~$1.8B among them 13.
Two marks in one month, nearly ten times apart
Cognition closed more than $2 billion at $48 billion on September 8, four months after a $26 billion round, on run-rate revenue the company says rose from $492 million to almost $900 million 4. Factory, the nearest challenger, raised $200 million at a $5 billion valuation on September 15, tripling its April mark 5.
Codex's owner holds Devin's meter
OpenAI's own Codex agent, Devin's direct rival, took DevDay upgrades the same morning the rail went live 3; a ChatGPT login is now the billing surface for Devin's OpenAI usage, even as Cognition trains its own models to cut reliance on OpenAI and Anthropic$350B — Anthropic, private, latest valuation $350B 4. For an IPO-bound OpenAI, subscription-billed work is stickier than API keys 3. What, if anything, changes hands between the companies is not disclosed; the only detailed write-up reports no fee 6.
A platform multiple on falling prices
The integration spans paid tiers only, Pro $20, Max $200, Teams $80 plus $40 a seat, with weekly user-set caps, across Cloud, Desktop and CLI 6. The same month, SWE-2 shipped 81% cheaper per task than its predecessor by Cognition's own numbers, and 64% cheaper than Anthropic's Fable 5.1 within a benchmark point 7; the write-up counts cuts up to 70% 6. Cursor carried $50 billion on $2 billion-plus revenue before SpaceX+1.40% — SpaceX, up 1.40 percent today paid $60 billion; Cognition's multiple is now higher 4.
The login meter runs from $20 to $200 a month
Data
| Value | |
|---|---|
| ChatGPT Pro | $20/mo |
| ChatGPT Teams | $80/mo |
| ChatGPT Max | $200/mo |
Cognition's $48 billion mark sits between a $60 billion exit and a $5 billion challenger
Data
| Valuation | |
|---|---|
| Cursor, sold to SpaceX | $60B |
| Cognition, Series E | $48B |
| Factory, September round | $5B |
The bull case, and the knife fight
Altman's pitch was plain: "They're already paying for an AI subscription, and now you don't have to cover their token costs to get them going" 3. Factory's chief says he fired an adviser who took Cognition's revenue job over breached confidentiality; the adviser and Cognition deny it 89. Vinod Khosla, an investor in both, called Factory a "struggling second tier competitor", and Sequoia's Shaun Maguire answered that Factory is "sitting on a nuclear weapon to end them" 8.
Watch the quota, then the racks
Quota-drawn or API-billed, the tokens burn rented silicon. Cognition is the first customer in production on Nvidia's Vera Rubin NVL72 racks at CoreWeave, measuring 4.8 times the token throughput on SWE-2 inference 10; the listed read-through is CoreWeave+1.05% — CoreWeave, up 1.05 percent today, Nasdaq: CRWV, and Nvidia−0.47% — Nvidia, down 0.47 percent today. Watch two readings: Cognition's next run-rate print, and whether the 16 partners stay free to run on Anthropic's or Google's models. The agents stay independent. The meter does not.
Deepdive
AI-generated from this story and its cited sources. Not investment advice.
