🔍 Read the full analysis: OpenAI Dev Day 2026: The Main Updates And Why They Matter on ThorstenMeyerAI.com
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TL;DR
OpenAI used its Sept. 29 DevDay to announce more than 20 products and features, centering on ChatGPT as a platform for people and software agents. The main updates include persistent Dots, expanded plugins, new decision and computer-use APIs, and a sign-in option for partner apps; availability varies, and some features remain in preview.
OpenAI announced more than 20 products and features at its DevDay on Sept. 29, positioning ChatGPT as a shared platform for people and software agents. The announcements include always-on Dots, expanded plugin distribution, new APIs for decisions and computer use, and a way for users to sign in to partner services with ChatGPT.
The most prominent consumer announcement is Dots, persistent agents powered by GPT-6 Astra. Each Dot runs on its own cloud computer and browser, can connect to more than 4,000 apps through plugins, and is intended to work on ongoing tasks. OpenAI says a first Dot is included for eligible Pro and Business Premium users in supported markets. Enterprise, Education and Healthcare customers can access a beta when an administrator enables it.
OpenAI also expanded its plugin system, which it says can bundle reusable skills, connections to services through MCP servers and optional interface elements. New features include plugin extensions inside ChatGPT, a revised creator and submission process, improved discovery, hosted Sites for organizational use, and support for MCP Events that can trigger automations. The OpenAI Marketplace will let eligible enterprise customers spend part of their OpenAI commitment with 32 launch partners, including Figma, Adobe, Salesforce and ServiceNow.
For developers, the Decisions API uses GPT-6 Luna to select from a finite set of answers defined by an app developer; it is in limited preview. The Agents API gains computer use, allowing an agent to operate software through its interface, with OpenAI running the Codex harness. OpenAI also announced Sign in with ChatGPT for 16 launch partners and GPT-6.1 Sol, which the source says offers near-Astra intelligence at one-fifth Astra’s token prices.
OpenAI DevDay 2026 at a glance
The five launches that matter, plus Sol
The rest of the slate
Collaboration
ChatGPT SpacelivePagesliveCollaborative slidesnext few weeksTeams and Team Taskslive@ChatGPT in Slack and TeamsliveMeetings pluginbeta, macOSShareable profilesliveCodex
Codex CloudliveCLI refreshvoice, /agentsCode ReviewliveCodex Security CloudlivePlans, enterprise, speed
Pro 500$500, 25× PlusUltrafastAstra now, Sol soonPrivate IntelligencePrivate Inference this fallBedrock Managed Agentsruns in AWSOpenAI Marketplace32 partners, applyChatGPT Becomes an Agent Channel
The announcements extend ChatGPT beyond a place to ask questions: OpenAI is building routes for agents to select services, use software and carry out tasks. Dots could handle work across multiple apps, while plugins give businesses a way to make services available inside ChatGPT. That could change how some customers find and interact with software, since a user may request an outcome without first choosing a specific brand.
For developers and software sellers, the expanded plugin directory and enterprise marketplace create potential distribution channels. OpenAI’s own framing puts the emphasis on whether a plugin is selected and whether it completes a task. The practical effects will depend on user adoption, the quality of integrations, and how permissions and approvals work in daily use.
From Chatbot to Agent Platform
OpenAI framed the DevDay announcements as a shift toward a platform shared by people and agents. The company said ChatGPT reaches 1.2 billion weekly users; that figure is an OpenAI claim in the supplied source material. A large existing audience could give developers access to users through plugins and partner integrations, though the announcement alone does not show how much traffic or business those integrations will generate.
The release also spans different levels of readiness. Dots are available to some individual and business subscribers in eligible markets, while several organizational plans have a beta gated by administrator settings. The Decisions API is in limited preview. OpenAI described additional enterprise pilots for Specialist Dots, agents with their own identities, credentials and organization-provisioned hardware, in areas such as procurement, invoice processing and customer support.
Rollout, Controls and Results
Availability and performance remain open questions. The source material does not give a full rollout schedule for all announced tools, nor does it specify when the Decisions API will leave limited preview. It also does not provide independent performance comparisons for GPT-6.1 Sol’s stated price and intelligence positioning.
OpenAI says Dots can access connected apps and, with permission, a user’s laptop. It describes safeguards including custom rules, approval requirements, read-only limits for background research and monitoring controls. How well these safeguards prevent mistakes in varied real-world tasks is not established by the announcement. Pricing for adding Dots or buying more speed and output is also not specified in the supplied material.
Previews and Partner Rollouts
The next developments will be the rollout of Dots to eligible users and the expansion of organizational beta access as administrators enable it. Developers can track the Decisions API as it moves beyond limited preview; the supplied material does not state a complete timing commitment. OpenAI also says it plans a Microsoft Agent 365 integration for governance of Specialist Dots.
Partner apps and plugin submissions will show how the new distribution model works in practice. Adoption, task completion, access controls and the availability of announced features are the key details to watch as the DevDay releases reach users.
Key Questions
What are OpenAI Dots?
Dots are persistent agents powered by GPT-6 Astra, each with its own cloud computer and browser. OpenAI says they can work on ongoing tasks and connect to more than 4,000 apps through plugins.
Who can use Dots now?
The source says Dots are available to Pro and Business Premium users in eligible markets. Enterprise, Education and Healthcare customers can use a beta when an administrator enables it.
What does the Decisions API do?
It uses GPT-6 Luna to choose among a finite list of answers defined by a developer, for tasks such as classifying content or routing requests. It is in limited preview.
What is new in the Agents API?
The Agents API now supports computer use, so agents can operate software through its interface. OpenAI says it runs the Codex harness for developers.
How much do additional Dots cost?
The first Dot is included in the eligible plan described by OpenAI, but the supplied source gives no prices for adding Dots or buying additional speed and monthly output.
Source: ThorstenMeyerAI.com
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