AI Workflow Guide

ChatGPT Work, Chat and Codex in 2026: Which One Does Your Job Belong In?

ChatGPT is now three experiences with three different allowances, permission sets and model menus. Treating them as one product is how teams end up paying for an agent and asking it chat questions. This is the business read, from OpenAI's own documentation.

Distk Editorial Sep 2026 13 min read

ChatGPT in 2026 splits into Chat for fast conversational help, Work for longer multi-step jobs that end in a document, spreadsheet, presentation, report or Site, and Codex for software development. Voice adds a live spoken interface to Work on web and mobile, and to Work and Codex in the desktop app. Work follows the Codex usage structure rather than Chat's, so it draws on an agentic allowance and credits. GPT-6 Sol and GPT-6 Luna are Work and Codex models that are not available in regular ChatGPT conversations, while GPT-6 Astra spans plans and GPT-6 Pro, powered by Astra, is available on Pro, Business and Enterprise. Astra needs Codex CLI 0.153.0 or newer and an up-to-date desktop app. Admins control Work Cloud, Work Local and Codex Local as separate role permissions, and Chat stays available in every configuration.

What Are ChatGPT Chat, Work and Codex in 2026?

ChatGPT is now three experiences rather than one. Chat is for fast, conversational assistance and everyday questions. Work is an agent designed for longer, multi-step work and finished deliverables. Codex stays dedicated to software development and technical work. On the ChatGPT desktop app all three are reachable; on web and mobile you get Chat and Work, and Codex is not selectable.

The distinction that matters commercially is between Chat and Work. Chat answers. Work produces: OpenAI describes it as the place to research a topic, analyse information, or create a document, spreadsheet, presentation, report or Site. Work also runs once, repeats on a schedule or a trigger, and can monitor for changes, which is what turns it from an assistant into something closer to a team member with a task list.

Explain It Like I Am Five

The simple version

Think of a shop with three counters. At the first counter you ask a quick question and get a quick answer, then you leave. That is Chat. At the second counter you hand over a job with all your papers and come back later to collect a finished folder: a report, a slide deck, a spreadsheet. That is Work. At the third counter there is a specialist who only fixes machines, with all the right tools on the bench. That is Codex. Same shop, same sign above the door, three counters for three different kinds of asking. The mistake most people make is queueing at the first counter and wondering why nobody hands them a finished folder.

ExperienceWhat OpenAI says it is forWhere it runs in 2026
ChatQuestions, search, brainstorming, quick conversational helpWeb, mobile, desktop. Available in every configuration.
WorkResearch, analysis, and creating a document, spreadsheet, presentation, report or SiteWeb and mobile on eligible paid plans, plus desktop when included for your plan and workspace.
CodexWriting or debugging code, running tests and commands, reviewing changes, working with a repositoryDesktop app only as a selectable experience. Not selectable on web or mobile.
VoiceTalking naturally with Work, or with Work and Codex on desktop, including starting tasksWork on web, iOS and Android; Work and Codex in the desktop app on macOS and Windows.

Why Does the Chat and Work Split Matter for Business Teams in 2026?

Because the two experiences have different economics, different permissions and different outputs, and a team that treats them as one product will get billed for one while asking for the other. Work follows the same usage structure as Codex rather than the Chat structure, so it draws on an agentic allowance. OpenAI notes that the Codex pricing page explains included usage and additional credits, and that its examples are based on coding tasks, so Work usage will vary by task.

Which Models Run in Work and Codex in 2026?

Work and Codex have their own model line-up. GPT-6 Sol and GPT-6 Luna are Work and Codex models that OpenAI states are not available in regular ChatGPT conversations. GPT-6 Astra is available through both Chat and the agentic experiences depending on plan, and GPT-6 Pro, powered by Astra, is the ChatGPT-side offering for higher tiers. Availability depends on your plan, your workspace settings and rollout access.

PlanWhat OpenAI published for 2026
PlusIncludes GPT-6 Astra in ChatGPT Work and Codex. Limited Astra usage, with optional credits for more afterwards.
Pro 100 USD and Pro 200 USDGPT-6 Pro, powered by GPT-6 Astra, is available in ChatGPT. Both plans can use their full existing allowance for Astra.
Business StandardLimited Astra usage, with optional credits for additional usage.
Business PremiumSeats can use their full existing allowance for Astra.
EnterpriseGPT-6 Pro available, and access also depends on the workspace's model-access permissions.

Two mechanics are worth knowing before anyone plans a budget. First, the model picker offers Default or a specific model: Default combines models and reasoning levels along one slider, while selecting a model lets you choose from that model's own reasoning levels. The Codex CLI does not use a slider, and Codex keeps the model you selected manually. Second, OpenAI states plainly that Astra can use your allowance faster than GPT-5.6 Sol, and that how much you get depends on the task, input and output size, reasoning settings and Fast mode.

The version requirement people miss in 2026

Astra requires Codex CLI version 0.153.0 or newer, and the latest ChatGPT Desktop app. OpenAI's guidance is specific: if Astra does not appear in Chat, Work or Codex on desktop, use Menu then Check for Updates, even if the app recently updated automatically or showed an update icon in the sidebar. Most "we do not have access" reports are a stale client rather than a plan problem.

How Does Billing Work Across Work, Codex and Voice in 2026?

Work draws on the same agentic pool as Codex, and how you signed in decides which meter runs. Signing in to Codex with your ChatGPT account uses your ChatGPT plan's usage and billing. Using your own API key uses API pricing instead. For usage paid in credits, OpenAI points to the personal-plan credit pricing, the Business, Enterprise and Edu credit rate card, and for Enterprise customers billed in US dollars, their Enterprise USD rate card and agreement.

Voice is metered differently depending on surface. On web and mobile, Voice in Work uses minutes from your daily Voice allowance, and OpenAI states that Work tasks follow the same pricing whether you start them by speaking or typing. In the desktop app, connected Voice time is metered separately where flexible pricing applies, while tasks started through Voice draw from the same shared agentic usage and credit pool as Work and Codex.

Where Are Work and Codex Available in 2026?

Work is available on ChatGPT web and mobile for eligible paid plans, and in the desktop app when included for your plan and workspace. For ChatGPT Enterprise and Edu, Work is available for eligible workspaces with Enterprise Key Management enabled, and in those workspaces it is enabled by default for members on the default workspace role unless an owner or admin turns it off. Workspace settings and role-based access controls still determine each member's access.

Codex stays a separate view in the desktop app, reached by selecting Codex from the top-left menu. Its workflows are unchanged and its history stays separate from ChatGPT history. Codex can work with local folders, repositories, terminals and developer tools. It is not selectable on web or mobile, although supported desktop Codex chats can be reached from the Remote tab in the mobile app, and those chats do not become web or mobile chat history.

Cloud, local, and what syncs

How Do Workspace Admins Control Work and Codex in 2026?

Access is managed per role, and the controls are more granular than a single on switch. Workspace owners and admins manage Work for the default workspace role and for custom roles under Workspace settings, then Permissions and roles. Chat remains available in every configuration, and when Work or Codex Local is off for a member's role, that member can see the product is unavailable and request access from an admin.

ControlWhat it does in 2026Rollout note for admins
Work CloudMembers can start new cloud tasks and view existing cloud tasks across supported web, mobile and desktop surfaces.The broadest grant. Start here for most business teams.
Work LocalEnabled without Work Cloud, members can work locally in the desktop app but cannot start cloud tasks.Useful where data must stay on the device, with the cloud-context caveat above.
Codex LocalControlled separately from Work.Changing Work Local or Work Cloud does not change Codex Local access.
Browser use and network accessSeparate controls continue to apply where supported.Review these alongside Work, not after.
Workspace settings, ModelsSets a starting model, reasoning level, speed, Fast Mode availability and new-chat behaviour for Work and Codex.Chat has its own separate starting default. Role overrides are evaluated separately for Chat and for Work and Codex.

One rule prevents a common misunderstanding: a starting default does not grant access to a model or feature that is unavailable to the member's role. Setting a default is not the same as granting permission, so if a team reports that the configured model is not appearing, check the role first.

How Do You Start a Task in Work or Codex in 2026?

The flow is short, and the quality of the result depends far more on what you hand over than on where you click. OpenAI's own guidance is to describe the outcome you want and add any files, constraints and review criteria ChatGPT should use.

On the desktop app

  1. Open the ChatGPT desktop app and sign in.
  2. Select ChatGPT or Codex from the top-left menu.
  3. If you selected ChatGPT, choose Chat or Work from the toggle at the top of the page.
  4. Start a new chat or open an existing project. From a project, choose Chat for a new chat or Work to start a Work chat using the project's context. In Work or Codex you can also open a local folder.
  5. To use Voice, select the Voice control, allow the required permissions, and begin speaking.
  6. Describe the outcome you want, with files, constraints and review criteria.
  7. Review the result, then ask for changes or follow-up work in the same chat.

On web or mobile

  1. Open ChatGPT and select Work.
  2. Start a new chat or open an existing project.
  3. Add the files and context to be used, then describe the task or deliverable you want completed.
  4. To work by speaking, select the Voice control in Work and start a Live conversation, then follow the written responses and results in the chat.

A project keeps related chats, files and instructions together, which is the closest thing to a retainer folder inside the product. While a task runs you can review progress, answer questions, change direction and approve important actions. If a task is still running when you end a voice call, Work can continue it in text.

How Does Voice Change the Way Teams Use Work in 2026?

Voice adds a live spoken interface to Work on web and mobile, and to Work and Codex in the desktop app on macOS and Windows. You can speak, interrupt naturally, and use the tools and permissions available to the selected experience. You can also ask Voice to start or coordinate tasks, which makes it a way to hand over work rather than just a way to ask questions.

Three limits matter in practice. Only one Voice conversation can run at a time. In managed workspaces, Voice in Work requires both Voice access and Work access. And on web and mobile, if an action needs your approval you must review and approve or decline it using the on-screen controls, because spoken approval is not supported. Desktop computer context may additionally require Screen and Audio Recording and Accessibility permissions.

How Should Marketing and Growth Teams Use Work in 2026?

Put Work on the jobs that end in a file somebody opens, and keep Chat for thinking out loud. The deliverables OpenAI names, documents, spreadsheets, presentations, reports and Sites, are the exact artefacts a marketing team produces weekly, and the ability to attach files, constraints and review criteria up front is what separates a usable first draft from a rewrite.

Marketing workflowExperience to use in 2026Human checkpoint
Monthly performance report from exported dataWork, with the export attached and the report format as review criteriaCheck every figure against the source platform.
Competitor and category research briefWork, in a project so sources accumulateVerify claims and citations before they reach a client.
Client-ready deck from an approved briefWork, with the house template attachedBrand, claims and numbers review.
Campaign microsite or landing testWork for a Site, or Codex if it belongs in your repositoryTracking, consent and compliance review before traffic.
Quick headline variants or a subject-line rewriteChat. It is faster and does not spend the agentic allowance.Normal editorial judgement.
Analytics scripts, tag fixes, internal toolingCodex, with the repository openCode review and staged deploy.
Recurring monitoring and inbox or channel triageWork with Scheduled Tasks and event triggersSee our event-triggered tasks guide.

One habit is worth building in 2026: write the review criteria before the prompt. Work is designed to produce a finished deliverable, and a deliverable needs a definition of done. Attaching the template, the tone rules and the list of checks you will apply turns a generic output into something closer to house style on the first pass, which is where the time saving actually comes from.

What Are the Common Mistakes With Work and Codex in 2026?

Key Takeaways for 2026

ChatGPT in 2026 is a three-counter product, and the operational work for a business is deciding which counter each job belongs at and who on the team is allowed to walk up to it.

Distk helps growth teams across India and internationally decide which of these experiences each workflow belongs in, set the workspace permissions and defaults that match how the team actually works, and write the review criteria that make an agent's first draft usable. If ChatGPT Work is arriving in your workspace in 2026, that mapping is where we start.

Sources

ChatGPT Work and Codex in 2026: FAQs

What is the difference between ChatGPT Chat and Work in 2026?

Chat is for fast, conversational assistance and everyday questions. Work is an agent for longer, multi-step work and finished deliverables such as documents, spreadsheets, presentations, reports and Sites. Work also follows the Codex usage structure, so it draws on an agentic allowance rather than Chat usage.

Which models are available in ChatGPT Work and Codex?

GPT-6 Sol and GPT-6 Luna are models for Work and Codex and are not available in regular ChatGPT conversations. GPT-6 Astra is included in Work and Codex on Plus, and GPT-6 Pro, powered by Astra, is available on Pro 100, Pro 200, Business and Enterprise. Availability also depends on workspace settings and rollout access.

Is Codex available on web or mobile in 2026?

No. Codex is not selectable on web or mobile. It is a separate view in the ChatGPT desktop app. You can reach supported desktop Codex chats from the Remote tab in the mobile app, but those chats do not become web or mobile chat history.

Can ChatGPT Work use files on my computer?

Yes, in the desktop app, where you can open a local folder or project and grant access only to the files the task needs. Work on web and mobile runs in the cloud and cannot directly access local files. OpenAI notes that messages and task context may be stored in the cloud even when work runs locally.

How do admins control access to Work and Codex?

Under Workspace settings, then Permissions and roles, admins manage Work Cloud, Work Local and Codex Local separately, with browser use and network access under their own controls. Chat remains available in every configuration. Workspace settings, then Models, sets the starting model, reasoning level, speed and Fast Mode availability for Work and Codex.

Why is GPT-6 Astra missing from my ChatGPT desktop app?

Astra requires Codex CLI version 0.153.0 or newer and the latest ChatGPT Desktop app. OpenAI advises using Menu then Check for Updates even if the app recently updated automatically. If it is still missing, check the model access permissions on your workspace role.

Route the job to the right counter

Distk maps your marketing workflows across Chat, Work and Codex, sets the workspace permissions and starting defaults that match how your team actually works, and writes the review criteria that make an agent's first draft usable.

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