The argument in one line.
OpenAI's DevDay 2026 turns ChatGPT into a distribution channel of its own, so marketers who package a workflow as a discoverable plugin or marketplace listing now get the same compounding head start early SEO winners got on Google.
Read if. Skip if.
- A marketing agency owner or in-house marketer who already runs workflows, bots, or tools and wants a distribution channel beyond Google search.
- Someone building software with an existing API who wants to get listed on OpenAI's plugin ecosystem or enterprise Marketplace before it gets crowded.
- A marketer already running or considering ChatGPT ads who wants to know what to rank for first.
- You don't have an existing workflow, bot, or product to package. This is about distribution for something that already works, not about building it from scratch.
- Your clients or business have no touchpoint with software or APIs at all.
The full version, fast.
OpenAI's DevDay 2026 gives marketers new ways to get discovered inside ChatGPT itself instead of relying only on Google. Plugins are relaunching as an app-store-style platform with better creation, submission, and discovery tools, so ranking early compounds the same way early SEO rankings did. Sign in with ChatGPT lets a user's existing plan usage carry into partner tools like Devin, Notion, and Vercel. The enterprise Marketplace is a separate procurement channel already listing companies like Lovable, Vercel, and Harvey. The Decisions API and Agents API, with Codex-powered computer use, let a packaged workflow act like a real agent instead of a chatbot. The actionable move: package an existing workflow as a plugin plus an agent, get listed now, then layer ChatGPT ads on top.
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01 · Why marketers should care
OpenAI has new distribution channels launching, including Dots, which ships free inside ChatGPT Pro and is already wired into Slack and Microsoft Teams.

02 · Plugin discovery
ChatGPT plugins are relaunching as an app-store-like platform with better creation, submission, and discovery tools; ranking early compounds, and a friend in the legal space already bought a top-ranked plugin outright.

03 · Sign in with ChatGPT
A new sign-in method lets a user's existing ChatGPT plan usage carry across 16 partner products, including Cognition's Devin, Notion, and Vercel.

04 · Single Grain
Sponsor plug for his own agency, Single Grain, an AI-native marketing services firm delivering AEO, SEO, outbound, and creative workflows through Slack and Teams.

05 · A LinkedIn advertising workflow
Uses Carrot, his LinkedIn account-based marketing tool, as an example of an existing workflow that could plug into this ecosystem.

06 · The enterprise Marketplace
OpenAI's enterprise Marketplace is a separate procurement channel from plugin discovery; companies like Lovable, Vercel, Legora, Harvey, Runway, and Sierra are already listed.

07 · A broader discoverability playbook
Argues marketers with an AEO/SEO background can't just keep thinking about Google; agencies working with software clients need to get those clients listed now.

08 · Decisions API
A new API runs real-time decisions through a cheaper model against a fixed set of predefined answers, used to classify content, route requests, or choose an agent's action.

09 · Agents API and computer use
Codex-powered computer use lets an agent operate a UI with no API, like logging into a LinkedIn account; Codex adds multi-agent capabilities, tool search, and context compaction.

10 · Package a useful workflow
The play: take an existing bot or workflow, package it as a plugin plus an agent with computer use, and get it into the marketplace; cites Sierra, HyperAgent, Legora, and Harvey as examples already doing this.

11 · AEO, SEO and paid media
Closes by tying it to paid media: ChatGPT ads are already live, so get listed and ranking first, then layer paid distribution on top.
Lines worth screenshotting.
- ChatGPT is relaunching plugins as an app-store-like platform, complete with creation tools, a submission flow, and discovery ranking.
- Dots ships free inside a ChatGPT Pro subscription and is already wired into Slack and Microsoft Teams.
- Sign in with ChatGPT lets a user's existing plan allowance carry across partner products, including Devin, Notion, and Vercel, instead of requiring separate billing.
- Ranking first inside ChatGPT's plugin ecosystem compounds the same way ranking first on Google search used to.
- Buying an already top-ranked plugin from another developer is now a real, faster shortcut into ChatGPT's built-in distribution.
- OpenAI's enterprise Marketplace is a separate procurement channel from plugin discovery, and companies like Lovable, Vercel, Legora, and Harvey are already listed there.
- The Decisions API routes real-time choices through a cheaper model against a fixed set of predefined answers, useful for classifying content or picking an agent's next action.
- OpenAI's Agents API adds computer use through Codex, letting an agent operate a graphical interface that has no API at all, like logging into LinkedIn.
- A workflow only becomes marketplace-ready once it's packaged as both a plugin and an agent capable of computer use.
- Since ChatGPT ads are already live, getting discovered inside ChatGPT's ecosystem is the new SEO and AEO move to make before paid media even enters the picture.
ChatGPT Is Becoming Its Own App Store
OpenAI's DevDay turns ChatGPT into a discovery engine of its own, and the marketers who package a workflow as a plugin or marketplace listing now get the same compounding edge early SEO winners had.
- OpenAI's Dots ships automatically inside a ChatGPT Pro subscription and already plugs into Slack and Microsoft Teams, so distribution starts before you build anything.
- New distribution channels inside ChatGPT itself are opening up alongside the usual product announcements, and marketers who notice them first get a head start.
- ChatGPT plugins are being relaunched as an app-store-style platform with better creation, submission, and discovery tools after an earlier version that didn't take off.
- Ranking first inside a plugin discovery system compounds over time the same way early search rankings do, so early movers keep the advantage.
- Buying a plugin that's already ranking well from another developer is a real, faster path into ChatGPT's built-in audience than building and ranking one from scratch.
- Sign in with ChatGPT lets a user's existing plan allowance carry across partner products like Devin, Notion, and Vercel instead of requiring separate billing for each tool.
- Integrating with a user's existing ChatGPT plan removes a purchase-friction step that used to require a brand-new signup or subscription.
- An existing tool doesn't need to be rebuilt to fit this ecosystem; a working workflow like a LinkedIn ad customization tool can be wrapped and offered the same way.
- OpenAI's enterprise Marketplace is a separate procurement channel from plugin discovery, and companies like Lovable, Vercel, Legora, and Harvey are already listed there.
- Getting listed on a new marketplace early functions the same way early app-store placement did: it's a discoverability advantage that's harder to get once the space fills up.
- Treating ChatGPT the way you'd treat Google is the mistake; people are already spending time inside it, so a strategy that only optimizes for traditional search misses where attention is moving.
- Agencies working with software clients should be pushing those clients toward marketplace and plugin listings now, not waiting for the space to mature.
- The Decisions API runs real-time choices through a smaller, cheaper model against a fixed set of predefined answers, a cheap way to classify content or route a request without a full model call.
- Codex's computer-use capability lets an agent operate a graphical interface directly, so a workflow that needs to log into a tool with no API, like a LinkedIn account, can still be automated.
- Multi-agent orchestration, tool search, and context compaction from Codex are meant to be added directly into an application, not just used standalone.
- A workflow becomes marketplace-ready once it's packaged as both a plugin and an agent with computer-use access, not just a script running in the background.
- The end goal is consolidation: take every working bot or workflow a business already runs and package them together rather than treating each as a separate one-off tool.
- ChatGPT ads are already live, so the same discoverability work that gets a product listed can be immediately backed with paid media once it's working.
- The sequence that matters: get listed and ranked first, then use paid media to amplify distribution that's already proven, not the other way around.
Terms worth knowing.
- Dots
- OpenAI's assistant product bundled free with a ChatGPT Pro subscription, usable directly inside Slack and Microsoft Teams.
- Sign in with ChatGPT
- A login method that lets a partner app draw on a user's existing ChatGPT plan usage instead of billing that user separately.
- Decisions API
- An OpenAI API that uses a smaller, cheaper model to pick among a fixed set of predefined answers in real time, useful for classification or routing.
- Agents API (computer use)
- An OpenAI API that lets an agent click through and operate a graphical interface the way a person would, for tools that don't expose an API.
- AEO
- Answer Engine Optimization: getting content or a product surfaced inside AI chat and answer interfaces rather than traditional search results.
- Codex
- OpenAI's coding-focused agent harness, used here for its computer-use, multi-agent, and tool-calling capabilities inside another application.
Things they pointed at.
Lines you could clip.
“If you're number one for a long time, it's the gift that keeps on giving.”
“I actually have a friend, let's just say he's in the legal space, and he picked up a few plugins. He actually bought a few plugins from people that were already ranking number one on ChatGPT.”
“So if you can get yourself in sooner than later, to me, this is just another app store.”
“If you're not doing this and you're still doing the traditional AEO, SEO, and you're just thinking about Google the whole time, you got to be thinking about this.”
Word for word.
Don't just watch it. Burn it in.
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.
The bait, then the rug-pull.
OpenAI just turned ChatGPT into a place products get discovered, not just a place people get answers. Eric Siu walks through Dots, the relaunched plugin platform, and OpenAI's new enterprise Marketplace, then makes the case that marketers who get listed now will compound the way early SEO winners did.
Named ideas worth stealing.
Packaged Workflow Discoverability Stack
- Start with a workflow or bot that's already working
- Wrap it as a ChatGPT plugin
- Add Agents API computer use for any step that needs a UI with no API
- List it on OpenAI's plugin discovery or enterprise Marketplace
- Layer ChatGPT ads on top once it's ranking
The order Eric lays out for turning an existing internal workflow into something ChatGPT users can find and use.
How they asked for the click.
“If you're enjoying this video, you got to check out Single Grain with a G. So singlegrain.com, this is our AI-native marketing services as software firm.”
Soft mid-roll plug for his own agency, framed as a related workflow example rather than a hard sell, then returns straight to the marketplace topic.





































































