Theo - t3.gg
Every AI Founder Weekly story that cites Theo - t3.gg (@theo), newest first. 9 stories since September 2026.
On X: Full time CEO @t3dotcodes & @t3dotchat. Part time YouTuber, investor, and developer
- Theo ships tsc-rs after $400k of Codex got nowhere
Five months of agent work, two models, and a 20x gap in what the winning run cost.
- Opus 5.5 takes half of all T3 Code prompts
Two teams report the same swing toward Anthropic in the same week.
- Theo ships a T3 Code overhaul and warns it will break your nightly
A stable build was cut first, and daily drivers are told there is no shame in going back to it.
- Theo says T3 Code has passed 400,000 users
The number is big and it is the only number he gave.
- OpenAI Pro $200 plan reopens at half the API spend value
Tibo posted the bad news a day before the announcements, and Theo called it transparent and painful in the same breath.
Steal the numbers, not the vibes
One email a day. Under three minutes. Real MRR, real pricing, real launches from founders building with AI.
- Theo says a $200 Claude sub bought $9,000 of Opus a month
Three accounts drained to zero, and the metered value of what came out was roughly 45 times the sticker price.
- Shumer says local models are useless, Theo writes off most labs
Two blunt calls on model quality, and not a benchmark or a dollar figure between them.
- Theo tears down Jev instant compaction in six points
A cheap-model trick for shrinking agent context runs into how caching and reasoning traces actually work.
- Pigford ran 10,000 HN comments through Jev, 43% corrected
A new model spent a day on founder timelines, and the interest is about classification, not chat.
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