Last updated: 2026-09-27
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ChatGPT

OpenAI's hosted assistant and agent: Chat for quick answers, Work for long multi-step deliverables, and Codex for software. Nothing to self-host, OpenAI models only.

6 plans: Free β†’ Go β†’ Plus β†’ Pro β†’ Business β†’ Enterprise ChatGPT Work replaced agent mode Custom GPTs retire Dec 11, 2026 β†’ plugins GPT-6 Astra Β· Sol Β· Luna

ChatGPT now has three experiences. Chat is the familiar conversation. Work is OpenAI's agent for longer, multi-step jobs that end in a finished document, spreadsheet, presentation, report or Site, on web, mobile and desktop. Codex handles software work in the desktop app. Reusable workflows are moving from custom GPTs to plugins, which bundle skills and connected apps. The trade-off hasn't changed: it's the easiest agent to start with, but you're locked to OpenAI's models and infrastructure. If you need model choice, self-hosting or tight cost control at volume, look at OpenClaw or Hermes.

Three changes that break older guides
  • Agent mode is gone. OpenAI's help center: "ChatGPT agent is no longer available. Use ChatGPT Work for longer, multi-step tasks." See ChatGPT Work.
  • Custom GPTs are retiring on Dec 11, 2026 (Feb 11, 2027 for Enterprise workspaces with an approved deferral). Personal accounts (Free, Go, Plus, Pro) can no longer create or publish new GPTs. OpenAI recommends migrating to plugins. See Custom GPTs β†’ Plugins.
  • Sora is discontinued. The Sora web and app experiences closed on April 26, 2026, and the Sora API was scheduled to shut down on September 24, 2026 (OpenAI).
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Setup Guide
Pick a plan, choose Chat or Work, set custom instructions, start a Project, create your first scheduled or event-triggered task, and install a plugin.
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Pricing & Plans
All six plans with current US prices (Go $8, Plus $20, Pro from $100, Business $20–25 a seat), what each includes, the Pro $200 sign-up pause, and how API billing differs.
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Custom GPTs β†’ Plugins
Custom GPTs retire on Dec 11, 2026. Who can still create them, what migrates to a plugin (instructions become a skill, knowledge files become reference files) and what doesn't (custom actions).
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ChatGPT Work (formerly Agent Mode)
OpenAI's agent for long, multi-step tasks: where it runs, which models it uses (GPT-6 Sol, Luna and Astra), local files on desktop, event-triggered tasks, voice and approvals.
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Memory β€” How It Works
Saved memories, chat-history reference, the memory summary, Sources, temporary chats, and how to delete remembered information properly (deleting the chat alone isn't enough).
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Teams & Business
Business Standard and Premium seats, what's included, Enterprise controls, and when a workspace beats individual Plus plans.
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ChatGPT vs the OpenAI API
When ChatGPT wins, when the API wins, current API prices, the beta Agents API, and what replaced the Assistants API (sunset August 26, 2026).
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ChatGPT vs OpenClaw
Security, privacy, control, cost and flexibility compared, plus moving your instructions and workflows from ChatGPT to OpenClaw.
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Advanced ChatGPT Tips
Briefing Work tasks, custom instructions (1,500 characters on Free/Go, 5,000 on paid plans), Projects, scheduled tasks, and staying inside your plan's limits.
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ChatGPT FAQ
Community questions answered with sources: writing-pattern quirks, plan confusion and more.
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Is ChatGPT right for your use case?

Pick ChatGPT if you want an agent working in minutes with nothing to install, and teammates who can use it without training. Look elsewhere if you need other model vendors (Claude, Gemini, local models), offline use, your own infrastructure, or predictable costs at high volume. For those, see OpenClaw, Hermes or Claude Cowork. Plenty of people run both: ChatGPT for everyday work, a self-hosted agent for automation.

At a Glance

FactorDetail
What it isOpenAI's hosted assistant: Chat, Work (the agent) and, in the desktop app, Codex
Plans (US)Free $0 Β· Go $8 Β· Plus $20 Β· Pro from $100 (Pro $100 and Pro $200; new Pro $200 sign-ups paused since 2026-09-10) Β· Business $20/seat billed annually ($25 monthly), Premium seats $100 ($125) Β· Enterprise custom
Models in ChatFree: unlimited text chats with GPT-5.6 Luna. Plus: advanced reasoning with GPT-6. Pro: Pro reasoning with GPT-6 Pro (powered by GPT-6 Astra)
Models in Work & CodexGPT-6 Sol and GPT-6 Luna (Work and Codex only, not in regular chats), plus GPT-6 Astra. Plus and Business Standard get limited Astra usage; Pro and Business Premium can spend their full allowance on it
AgentChatGPT Work on web, mobile and desktop. On desktop it can use local files and apps with your permission
AutomationScheduled tasks (active-task limits: 3 Free/Go, 5 Plus, 10 Business/Edu, 15 Pro/Enterprise) and event-triggered tasks on Gmail, Slack and GitHub (Plus and above)
Reusable workflowsPlugins (skills + connected apps). Custom GPTs retire Dec 11, 2026
Training on your dataPersonal plans: yes, unless you turn off "Improve the model for everyone". Business, Enterprise and Edu: not by default
Model choiceOpenAI models only
OfflineNo

ChatGPT Use Cases

ChatGPT shines for low-setup individual workflows β€” the use cases below are the ones it does best.

ChatGPT Troubleshooting

ChatGPT Security

See also: OpenClaw Β· Hermes Β· Claude Cowork Β· ChatGPT vs OpenClaw Β· Decision guide

Official sources

Checked against OpenAI’s help center and chatgpt.com/pricing (US prices) on 2026-09-27. If anything here disagrees with these pages, trust the vendor docs.

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