🔍 Read the full analysis: What OpenAI Dev Day 2026 Means For The AI Ecosystem on ThorstenMeyerAI.com
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TL;DR
OpenAI used its September 29 DevDay to announce more than 20 products and features, including persistent Dots agents, expanded plugins and new tools for developers. The announcements point toward ChatGPT becoming a platform where users and agents find and operate software, though access, pricing and several product details remain unsettled.
OpenAI announced more than 20 products and features at its September 29 DevDay, including persistent Dots agents, expanded plugins and new developer APIs. The launch positions ChatGPT as a shared interface for people and software agents, a strategy that could change how customers discover apps and how businesses distribute software.
The company describes Dots as persistent agents that work on users’ goals over time. Powered by GPT-6 Astra, each Dot has its own cloud computer and browser and can connect to more than 4,000 apps through plugins. Users can reach them through ChatGPT on desktop, web and mobile, as well as Slack and Teams. OpenAI says voice calls are available and texting is planned. Its examples include monitoring customer feedback, updating proposals and rerunning analysis as new data arrives; these are company examples, not independently verified performance results.
Availability depends on the plan and market. OpenAI says Dots are available to Pro and Business Premium customers in eligible markets. Enterprise, Edu and Healthcare customers can use a beta if an administrator enables it; the feature is off by default. The first Dot is included in the plan, but tasks it starts in Codex or ChatGPT Work count toward usage limits. OpenAI says users may later add Dots or pay for more speed and monthly output per Dot.
OpenAI also expanded its plugin system, which it presents as a way to connect ChatGPT, Codex and Dots with outside services. Plugins can include reusable skills, MCP server connections and optional interfaces. Announced changes include extensions in the ChatGPT sidebar, interactive panels, improved discovery, a revised creator and submission flow, Sites for shared plugin access in some business plans, and support for MCP Events that can trigger automations. The company also announced an enterprise marketplace with 32 launch partners.
For developers, the Decisions API applies GPT-6 Luna to a constrained task: an app defines questions and a finite set of permitted answers, then supplies text or images for the model to classify or route. It is in limited preview. The Agents API now supports computer use, allowing agents to operate software through its interface; OpenAI says it will run the Codex harness. A separate sign-in feature lets customers use an existing ChatGPT plan with 16 launch partners.
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, applyHow ChatGPT Could Route Software Work
The announcements connect three parts of OpenAI’s business: users, agents and software providers. If a user describes a task and ChatGPT selects a plugin to complete it, the provider may be chosen before the customer knows its name. That could make visibility inside ChatGPT’s directory and recommendations more consequential for software companies, alongside the quality of their products.
Persistent agents could also shift some routine work from people directly using apps to agents acting through them. OpenAI says Dots can keep projects moving and operate across connected services. The practical effect will depend on reliability, user permissions, the tasks customers trust them with and how pricing develops. The event signals a business direction; it does not establish how widely customers will adopt these tools or whether they will produce measurable gains.
From Chatbot to Agent Platform
OpenAI’s event framed ChatGPT as a service used by 1.2 billion people weekly, according to the company. It used that figure to describe the potential reach of a shared surface for people and agents. The source material does not provide a measurement method or comparison period for the figure, so it is best treated as an OpenAI-reported audience metric.
The plugin changes build on an existing model of connecting ChatGPT to outside tools. DevDay’s announcements extend that model toward agents that can take actions and automations that respond to events in connected apps. OpenAI also described specialist Dots for business pilots in procurement, invoice processing, email marketing, customer support and commercial contracting, and said it plans a Microsoft Agent 365 integration for governance.
OpenAI announced GPT-6.1 Sol, which it described as offering near-Astra intelligence at one-fifth of Astra’s token prices. That comparison is a company claim; the supplied material contains no benchmark results or evaluation details. The source also refers to additional model releases, including Ultrafast and Pro 500, without giving specifications here.
Access, Controls and Performance Questions
Several details remain open. OpenAI has not supplied broad availability dates for all customer groups, full pricing for additional Dots, or a general release date for the Decisions API. The supplied source cuts off during its description of the API’s planned release, so the timing beyond limited preview is unknown.
The source material also does not provide independent results on agent accuracy, task completion rates or the security of connected workflows. OpenAI describes controls including Custom Rules, an Activity View, monitoring that can pause or stop a Dot, and read-only limits for background proactive research. It says sensitive actions such as password changes remain with the user. How these controls perform in routine use, and how businesses will govern specialist agents, remain matters to watch.
Rollout and Early Business Pilots
OpenAI says eligible Pro and Business Premium customers can use Dots now, while enterprise pilots are starting in several business functions. Further developments to watch include the expansion of access, the Decisions API’s move beyond limited preview, the planned texting option and the proposed Microsoft Agent 365 integration.
For software developers, the next test is whether plugin discovery and integrations lead to sustained use and completed tasks. OpenAI’s announcements set out the tools and marketplace; adoption, commercial results and the reliability of agents across real workflows will take time to establish.
Key Questions
What did OpenAI announce at DevDay 2026?
OpenAI announced more than 20 products and features, including Dots agents, plugin updates, the Decisions API, computer use in the Agents API and GPT-6.1 Sol.
Who can use Dots now?
OpenAI says Dots are available to Pro and Business Premium customers in eligible markets. Enterprise, Edu and Healthcare customers can access a beta when an administrator enables it.
What does the Decisions API do?
It uses GPT-6 Luna to select from a fixed list of answers defined by an app developer. OpenAI says it can support tasks such as classifying content or routing requests; it is in limited preview.
What remains unknown about the announcements?
Broad release dates, full pricing for additional Dots and independent evidence of agent performance were not provided in the supplied material. OpenAI has not given a general release date for the Decisions API.
Source: ThorstenMeyerAI.com
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