Stop using Claude. Start using Codex?
A 64-minute masterclass where a Codex true believer converts a Claude Code skeptic, live, on camera.
April 27thA 24-minute solo breakdown of the AI experiment-loop tool that went viral — and 10 businesses you can build on top of it.
Autoresearch shifts the human role from tester to approver: you define what better means, the agent runs hundreds of experiments overnight, and you wake up to the winning configuration.
Autoresearch is Karpathy's open-source AI agent that takes a goal, plans experiments, edits and trains on a GPU, reads the metrics, discards failures, and loops until it finds improvements. The core insight is that the human sets the objective and approves the winner — the agent does all the in-between testing. Built on that loop, ten business categories emerge: niche optimization products, marketing A/B engines, research-as-a-service, SaaS power-tool upsells, high-volume testing agencies, trading backtests, CRM lead scorers, finance ops automation, internal productivity labs, and done-for-you due diligence shops. You need an NVIDIA GPU to run it locally, but Google Colab with a free T4 runtime is a viable entry point.
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Name-drop hook: Karpathy + Tobi Lutke. Promise to explain, give use cases, and share starter ideas.

The core loop: set goal, agent plans experiment, edits Python, runs short GPU training, reads metrics, saves improvements, repeats.

Hand-drawn flowchart: set-goal to plan to edit/train to read metrics to is-it-better to save/discard to plan-again.

Write a clear task, give the bot code/GPU/internet access, bot runs a plan-act-read-update loop, you come back later and review logs, charts, and a written summary.

Greg promotes a free live event on building businesses in the age of AI. QR code shown.

Package tiny Autoresearch loops for one painful niche. Monthly subscription. Value prop: runs 24/7, shows you the winner to click accept.

Auto-test headline/layout/offer variants on landing pages and ad creatives. Sell as always-on experiment engine retainer.

Point the loop at market/competitor research, investor/M&A due diligence, compliance tracking. Charge per report or monthly subscription.

Embed an Autoresearch-style optimize button in an existing product. Tune prompts, pick best pricing, rank suppliers. Charge higher tiers.

Simple pitch: 100x more testing for same or lower fee. Niches: Shopify conversion lab, B2B SaaS pricing, email optimizer. Revenue share model.

Run small fast backtests of simple trading rules on one GPU overnight. Keep promising strategies. Trade own account or sell signals.

Point agent at CRM and inbound leads. Auto-grades, suggests next actions, drafts follow-ups. Salespeople focus on high-value deals.

Loop through invoice matching, expense report generation, exception detection. Sell as software or ops service.

Treat your own company like Karpathy's GPU lab. Define KPIs, let agents iterate on workflows and templates. Fewer meetings, less grunt work.

Use the research loop to chew through docs, filings, product pages, reviews. Living memo for investors/acquirers. Fast structured briefs and monthly update packs.

Clinical trial design is itself a hyperparameter search. Agent swarms could optimize treatment protocols on small proxy experiments before moving to human trials.

AgentHub: GitHub for agents. Agent-swarm collaboration platform, no main branch/PRs/merges. Greg: watching him speedrun a one-man billion-dollar company.

Requires NVIDIA GPU. No M-series Mac support. Cloud options: Lambda Labs, Vast AI, RunPod, Google Colab T4 runtime. Fastest path: paste GitHub repo into Claude Code, paste commands into Colab.

Encourages tinkering early while the tool is still confusing to most people. Plug for ideabrowser.com.
Autoresearch does not replace judgment — it eliminates the manual iteration between decisions, so the person who defines goals clearly wins faster than the person who executes carefully.
“Think of Auto Research as a research bot that runs experiments for you while you sleep, tries lots of ideas fast, and keeps the winners.”
“We do a 100 times more testing than other shops for the same or lower fee.”
“I'm watching him speedrun a one-man billion-dollar company.”
“In the fog, people don't really understand where the opportunity is — that's sometimes when there's an opportunity.”
See every word as it's spoken — crank it to 2× and still catch all of it. The same dual-channel trick behind Amazon's Kindle + Audible.
Andrej Karpathy dropped an open-source project called Autoresearch and the internet noticed. Within days the repo had 25,000 stars, Shopify's CEO was tweeting about it, and builders were mapping out business ideas before they'd even cloned the repo. This episode is the clearest primer available on what Autoresearch actually does, why it matters, and what you can build on top of it.
Set goal, AI plans experiment, edits/trains on GPU, reads metrics, is result better? if yes save config; if no discard, plan different experiment, repeat.
Write a clear task. Give bot access to code/GPU/internet. Bot runs plan-act-read-update loop. Come back hours later to logs, charts, and a written summary in normal language.
“Sign up for a free workshop on building businesses in the age of AI. It is gonna be 11AM March 12, a Thursday.”
Mid-video interruption with screen share of landing page and QR code. Secondary CTA at end: ideabrowser.com for startup ideas.
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24:12A 64-minute masterclass where a Codex true believer converts a Claude Code skeptic, live, on camera.
April 27thA 30-minute screenshare where boring arbitrage ideas become cash-flowing businesses with a few prompts and a Slack webhook.
May 11thJonathan Courtney walks through his four-step Promoter Blueprint, then shows live how he used Claude and Claude Code to build a $450K webinar campaign in about an hour.
February 11thGreg Isenberg and Riley Brown tear down the MCP buzzword and replace it with something actionable: agents with tools, running in a loop — with a live Notion + Glif demo to prove it.
June 23rd 2025Nick Vasilescu breaks down the full A-to-Z playbook for a solo AI agent business: offer, verticals, stack, and a live agent-builds-agent walkthrough.
May 12thBoris Cherny, the creator of Claude Code, walks through a live Cowork demo and unpacks the 13-tip viral setup thread that got 99K bookmarks.
January 23rd