OpenAI DevDay 2026 Recap: Dots, Agents API, Codex Cloud & Marketplace
Melvin Vivas · X video post · 2026-09-30 · 5:18 · 584 views · Open on X
Topics: Industry Trends & Job Market, AI Agents, Tool Use & MCP, AI Dev Tools & Productivity · Level: beginner
Summary
Melvin Vivas cut OpenAI's DevDay 2026 keynote down to a 5-minute clip of the announcements. The main themes are always-on agents (Dots, ChatGPT Space, specialist Dots), faster model tiers and a new Pro 500 plan, new developer APIs (the Decisions API and the Agents API, plus Amazon Bedrock managed agents), Codex moving fully to the cloud along with a new Codex security cloud, and a way to sell apps through plugin extensions and the OpenAI marketplace. Product names come from a machine-generated transcript, so check them against OpenAI's official DevDay pages.
Key points
- Dots: what OpenAI calls 'remarkably capable, always on' agents that proactively flag things for you. Enterprise users get a preview of 'specialist Dots', set up like virtual teammates.
- ChatGPT Space: a shared workspace where you, your teammates and your agents work together.
- New model 'GPT 6.1 Sol' (name as transcribed). The 'Fast' tier gives 2x the speed at 2x the price of standard; the new 'Ultra fast' tier gives 8x the speed at 6x the price.
- Pro 500 plan: the highest usage limits, with Ultra fast in ChatGPT and Codex and 25x the usage of Plus.
- New APIs: the Decisions API (preview), an 'AI research intern' that takes on well-defined research tasks, and the Agents API with core building blocks for agents. On AWS, Amazon Bedrock managed agents are powered by OpenAI.
- The agent harness behind Codex and Dots is now open source, tuned for accuracy, speed and low token use. Codex now runs fully in the cloud, so you can start a task on your phone and pick it up in the browser. The new Codex security cloud helps defenders harden their infrastructure.
- OpenAI private intelligence (preview) gives stronger data controls, with ZDR (zero data retention) and private safety processing. The Responses API grew 100x in a year while staying above 99% reliability.
- Distribution: plugin extensions let developers build full apps that feel native to ChatGPT. Plugins can be suggested during a conversation, users can sign into apps with tokens from their ChatGPT plan, and the OpenAI marketplace launched with 30+ partners (CodeRabbit, Notion, Vercel). Enterprises can spend part of their existing OpenAI commitment on marketplace products.
Resources mentioned
- OpenAI Dots · tool · openai.com · paid
Always-on agents in ChatGPT, each with its own cloud computer and browser, that take on ongoing work and personal responsibilities.
Also in: Dots Demo: A Voice AI Agent Handling Travel Booking and Feedback Triage (Melvin Vivas on X · notes), OpenAI Dots: Agents Inside ChatGPT That Debug, Fix, and Open PRs (Melvin Vivas on X · notes), Dots in ChatGPT: always-on AI agents that you hand responsibilities to (Melvin Vivas on X · notes), Creator's favorite OpenAI DevDay announcements (Melvin Vivas on X · notes) and 1 more - ChatGPT Space · tool · chatgpt.com · paid
A shared ChatGPT workspace for people and their agents. - GPT-6.1 Sol · tool · openai.com · paid
A new OpenAI model announced at DevDay 2026 (name as written in the machine transcript), offered with Fast and Ultra fast speed tiers.
Also in: JevDev: Open-Source UI Tool for Experimenting with Jev (Typesafe.ai) (Melvin Vivas on X · notes), Comparing Coding Models on the Same Task in Devin iOS (Melvin Vivas on X · notes), Customizing Your Coding Setup with Pi Coding Agent Extensions (Melvin Vivas on X · notes), Pi Agent Council: Ask Multiple LLMs in Parallel and Compare Their Advice (Melvin Vivas on X · notes) and 9 more - ChatGPT Pro 500 · tool · help.openai.com · paid
A new ChatGPT subscription tier with the highest usage limits and Ultra fast access.
Also in: OpenAI DevDay recap: Dots, GPT-6.1 Sol, Codex Cloud, Agents API (Melvin Vivas on X · notes) - OpenAI Decisions API · tool · openai.com · paid
A new OpenAI API, shown as a preview, that lets the model respond and make decisions.
Also in: Creator's favorite OpenAI DevDay announcements (Melvin Vivas on X · notes), OpenAI DevDay recap: Dots, GPT-6.1 Sol, Codex Cloud, Agents API (Melvin Vivas on X · notes), OpenAI DevDay 2026 Replay: Timestamped Guide to the Announcements (Melvin Vivas on X · notes) - OpenAI Codex · tool · openai.com · paid
OpenAI's coding agent. In the diagram it writes code, fixes review findings and drives the build loop. The creator also used it to make this video.
Also in: An agent bot that installs and drives Codex on its own (Melvin Vivas on X · notes), Asking a Coder bot to install Codex (Melvin Vivas on X · notes), Sign in with ChatGPT: Setting Usage Limits for Each App (Melvin Vivas on X · notes), Codex Cloud Environments Must Be Saved & Published Before Use (Melvin Vivas on X · notes) and 240 more - Codex Security Cloud · tool · learn.chatgpt.com · paid
A new Codex product that runs in cloud environments and helps defenders harden their infrastructure.
Also in: OpenAI DevDay recap: Dots, GPT-6.1 Sol, Codex Cloud, Agents API (Melvin Vivas on X · notes), OpenAI DevDay 2026 Replay: Timestamped Guide to the Announcements (Melvin Vivas on X · notes) - OpenAI Agents API · tool · developers.openai.com · paid
OpenAI's managed API for building and running cloud agents on a hosted Codex harness, with orchestration, sessions and context management built in.
Also in: Creator's favorite OpenAI DevDay announcements (Melvin Vivas on X · notes), OpenAI DevDay recap: Dots, GPT-6.1 Sol, Codex Cloud, Agents API (Melvin Vivas on X · notes), OpenAI DevDay 2026 Replay: Timestamped Guide to the Announcements (Melvin Vivas on X · notes), Building Software Factories on the OpenAI Agents API (Codex-Powered) (Melvin Vivas on X · notes) and 1 more - Amazon Bedrock managed agents (powered by OpenAI) · tool · aws.amazon.com · paid
Managed agents on AWS Bedrock powered by OpenAI models, for building OpenAI agents on AWS. - OpenAI private intelligence · tool · openai.com · paid
An OpenAI offering, in preview, for stronger data controls, with zero data retention (ZDR) and private safety processing. - OpenAI Responses API · docs · platform.openai.com · check price
OpenAI's API for building model-powered apps and agents with tool use.
Also in: GPT-5.3-Codex Now Available in OpenAI's Responses API (Melvin Vivas on X · notes) - OpenAI Plugin Extensions · tool · developers.openai.com · free
Lets developers build full apps that feel native to ChatGPT and distribute them through ChatGPT and ChatGPT sites.
Also in: OpenAI DevDay recap: Dots, GPT-6.1 Sol, Codex Cloud, Agents API (Melvin Vivas on X · notes) - OpenAI Marketplace · website · openai.com · paid
OpenAI's new marketplace where developers sell products and enterprises can pay with their OpenAI commitment.
Also in: Creator's favorite OpenAI DevDay announcements (Melvin Vivas on X · notes), OpenAI DevDay recap: Dots, GPT-6.1 Sol, Codex Cloud, Agents API (Melvin Vivas on X · notes), OpenAI DevDay 2026 Replay: Timestamped Guide to the Announcements (Melvin Vivas on X · notes) - CodeRabbit · tool · coderabbit.ai · check price
An AI code review tool. - Notion · tool · notion.so · check price
A workspace app for notes and docs. - Vercel · tool · x.com · free · recommended by both Bashiri Smith & Melvin Vivas
Deploy web apps and frontends.
Also in: 7 Habits to Become an AI Engineer: Books, Tooling, Research & Shipping (Bashiri Smith on Facebook · notes), Jev model added to the AIBackends API via Vercel AI Gateway (Melvin Vivas on X · notes), Open models now dominate token volume on Vercel AI Gateway (Melvin Vivas on X · notes), Adding Vercel AI Gateway as a provider in AIBackends with Devin (Melvin Vivas on X · notes) and 7 more
Try this
- Try the new Codex security cloud, which the keynote said is available today.
- Check the exact product names and availability (preview or general release) on OpenAI's official DevDay 2026 pages, since this note is based on a machine-generated transcript.
- Recreate the keynote demo: ask a coding agent to 'build an app that picks three attendees at random' to give away free tickets.
- Build a ChatGPT plugin extension (a full app that feels native to ChatGPT) and list it on the OpenAI marketplace.