AI Founder Weekly

Anthropic spend on Vercel fell from 69% to 40%

Guillermo Rauch says Anthropic's share of Vercel AI Gateway spend halved in two months while OpenAI more than doubled. If you picked a model provider six months ago, the ground moved under you.

Real money

Rauch says Anthropic fell from 69% to 40% of Vercel gateway spend

Guillermo Rauch posted two months of spend share from Vercel AI Gateway: Anthropic down from 69% to 40%, OpenAI up from 10% to 24%. He says Kimi K3 and DeepSeek took about half of Anthropic's loss, OpenAI now leads on tokens, and Opus 5.5 reached up to 10% of spend in two days.

Guillermo Rauch
@rauchg
X
Kimi K3 + DeepSeek took ~half of Anthropic's loss
Sep 24, 2026 · View on X

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Stolen playbooks

Marc Lou built revenue-gated founder chats that unlock as you earn more

Marc Lou rebuilt Jake Mor's revenue-verified chat idea for all payment providers, so founders join groups with people making similar money. Entry requires verified revenue on TrustMRR, and the groups auto-unlock as income rises, measured on the last 30 days of revenue rather than MRR. He says he is currently in there alone.

Jake Mor
@jakemor
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→ verify your revenue → join chats w/ ppl making the same
Sep 17, 2026 · View on X

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What changed under us

Jason Fried says he can build and design software alone again

Jason Fried says that after 15 years of mostly directing other people, he is back to writing and designing software entirely by himself, and calls a team who can each do the same an enormous multiplier. DHH amplified it with one line: the plan was there all along. Neither posted numbers or a shipped result.

Jason Fried
@jasonfried
X
My "I can do it myself" muscles had atrophied.
Sep 24, 2026 · View on X

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Founders building with AI, every day. Real revenue, real pricing, real launches and what they would redo. No hype sludge. Every number links out.