OpenAI · ChatGPT

Who can use it: ChatGPT Pro 100, Pro 200, and Pro 500, and Business Premium; depends on the plan and account status.

How to use it: No action is required; the new usage allowance is applied to your account automatically.

Tip: Instead of saving intensive Work or Codex tasks for the end of the month, use the new allowance for longer-running tasks.

Who can use it: In the ChatGPT Chat experience, depending on account and phased rollout status.

How to use it: In ChatGPT, use the GPT-6-based Chat experience from the model selector; no additional setting needs to be enabled.

Tip: To make responses even shorter, specify the target length and format clearly in your prompt.

Who can use it: Phased beta rollout to Pro users in the US.

How to use it: Open the dot profile in ChatGPT and select Texting; enable iMessage on iPhone or RCS on Android.

Tip: Review your dot instructions and connected plugins to limit proactive updates sent by message.

Who can use it: Eligible ChatGPT Pro and Business subscribers; credit amount and eligibility vary by account and offer.

How to use it: Connect your own API organization in ChatGPT or the API Platform and activate the subscription benefit.

Tip: Use the credits first for low-risk prototypes, and check the API organization's billing settings separately.

Who can use it: All ChatGPT plans; on web, desktop app, and iOS.

How to use it: Open the apps or plugins section in ChatGPT and connect iCloud Mail and iCloud Calendar.

Tip: Before making calendar changes, verify the write permission requested by the plugin and the event details.

Who can use it: Phased rollout in ChatGPT Work and Codex to Plus, Pro, Business, Enterprise, and Edu plans; available to developers in the API.

How to use it: Select GPT-6.1 Terra from the model list in ChatGPT Work or Codex; use `gpt-6.1-terra` in the API.

Tip: For visual and computer-use workflows, evaluate Standard and Fast modes separately to measure the latency-cost tradeoff.

Who can use it: OpenAI API developers; became generally available on October 22.

How to use it: Use the `v1/decisions` endpoint and the `gpt-6-luna` model; provide `input_json` for structured context.

Tip: Define classification or routing options in advance as a limited, mutually exclusive schema.

Who can use it: The market expansion was announced for advertisers; exact eligibility varies by Ads Manager account and country.

How to use it: Apply for ChatGPT Ads through Ads Manager using an advertiser account in an eligible country.

Tip: Before launching a campaign, check that the target country is enabled in Ads Manager and review local advertising policies.

Who can use it: OpenAI API organization and project administrators.

How to use it: Configure service tier permissions at the project or organization level in Platform settings.

Tip: In production projects, disable high-cost tiers such as Ultrafast by default and enable them only for projects that need them.

Who can use it: Vietnam; only for Go, Plus, and Pro subscriptions purchased through chatgpt.com.

How to use it: When purchasing a subscription on the web, select MoMo from the payment methods.

Tip: For subscriptions purchased on iOS or Android, manage the payment method through your app store account.

Who can use it: API customers using supported models in the Responses API.

How to use it: Select a 12-hour cache duration in the prompt caching configuration.

Tip: Cache long, frequently repeated system instructions and avoid unnecessary 12-hour write costs for short tasks.

Who can use it: Rolling out to Free, Go, Plus and Pro users on web, iOS, Android, and the new macOS/Windows desktop app.

How to use it: Open a chat’s three-dot menu and select Lock chat.

Tip: Remember that locking a chat does not exempt it from the data retention policy; review data controls separately for sensitive content.

Who can use it: Developers using the Agents API; Ultrafast is available only on supported models and within eligible rate limits.

How to use it: Select a hosted sandbox environment; to use the speed tier, set `service_tier` to `ultrafast` in the agent configuration.

Tip: For document generation, edit the output with the Artifact SDK, then validate the formatting before delivering the final file to the user.

Who can use it: Rolling out on web and desktop to eligible Pro, Business and Enterprise users with Space access.

How to use it: In Work, ask ChatGPT to create a presentation in Space.

Tip: Add a sample deck or brand guidelines to the initial prompt to establish the layout and visual style from the outset.

Who can use it: For eligible ChatGPT Pro users; in managed workspaces, availability depends on administrator and deployment settings.

How to use it: Select GPT-6 Pro in the Chat tab and request a task that can be divided into parallel subtasks.

Tip: Break the task into clear, independent subtasks to speed up parallel work.

Who can use it: All API customers; voice generation is billed at standard GPT-Live session rates.

How to use it: Use the Audio voices endpoint or Voice Playground to create a voice from a text description and connect it to a GPT-Live session.

Tip: Describe the desired pace, age, emotion and pronunciation using brief, concrete wording.

Who can use it: Rolling out in ChatGPT Voice; the voice list varies by region and account.

How to use it: Select an available voice at Settings > Voice > Voice.

Tip: If accent accuracy is important, set the Voice language at Settings > Voice > Language before you start speaking.

Who can use it: ChatGPT Plus and Pro; usage and storage limits still apply.

How to use it: Create a new Site from the Sites area in ChatGPT; no additional setting is required.

Tip: When creating many Sites, use a consistent naming convention for folders or workspaces to keep content and permissions organized.

Who can use it: Eligible life sciences labs at US universities.

How to use it: Complete the Rosalind lab application form as the principal investigator or lab manager.

Tip: Before applying, clarify the lab members and the research use case that requires GPT-Rosalind.

Who can use it: No longer available in ChatGPT, Work, or Codex; API access is unchanged.

How to use it: Select a new model in ChatGPT or Codex; API users should check model status in their platform settings.

Tip: Reassess production workflows pinned to the old model with the new GPT-6 family, and rerun output tests.

Who can use it: Developers using OpenAI-hosted sandboxes in the Agents API.

How to use it: Enable pre-warm configuration for the sandbox before connecting it to the agent session.

Tip: Test prewarming for independent turns that require long waits, and keep it off for short tasks to avoid unnecessary resource consumption.

Who can use it: All API users, subject to rate limits and supported data residency.

How to use it: Send `service_tier: "ultrafast"` with `gpt-6.1-sol` in a Responses request.

Tip: For real-time streams, use Ultrafast only for requests where latency matters more than cost.

Who can use it: Global rolling rollout: Plus, Pro, Business, and Enterprise on October 7; Free and Go plans starting October 8. Enterprise access depends on admin settings.

How to use it: Ask ChatGPT Chat to explain or compare a topic, or to create an interactive tool.

Tip: Use specific prompts such as “interactive comparison,” “calculator,” or “step-by-step visual” to determine the result format.

Who can use it: OpenAI API customers; the snapshot may change regularly alongside model updates in ChatGPT.

How to use it: Use the `chat-latest` model ID in an API request, or switch to one of the fixed GPT-6 model IDs for production.

Tip: If stable production behavior is required, consider a dated or fixed model ID instead of `chat-latest`.

Who can use it: Paid ChatGPT subscriptions and workspaces; availability depends on region, client version, workspace settings, and model support.

How to use it: Attach a supported audio file to a conversation and enter your request for a transcript, summary, or Q&A.

Tip: Before relying on key meeting decisions, compare the transcript with the recording; transcription errors may occur.

Who can use it: All OpenAI API organizations; automatic tier upgrades depend on credit purchases.

How to use it: In the API Platform, check whether your organization is at the Build, Launch, or Grow level on the Usage tiers or rate limits page.

Tip: Before buying credits unnecessarily to move up a tier, first measure your actual monthly usage and rate limit needs.

Who can use it: Free and Go plans on web, iOS, and Android in the U.S.

How to use it: Open the Finances experience in ChatGPT and connect supported financial accounts.

Tip: Before making financial decisions, check which connected accounts are covered and when the data was last updated.

Who can use it: Eligible API organizations; scope and service eligibility depend on OpenAI’s BAA terms.

How to use it: In the API Platform, start the BAA acceptance and HIPAA support flow from Organization settings > General.

Tip: Before enabling compliance, confirm with your legal and security teams which endpoints and data flows are covered.

Who can use it: In ChatGPT’s web and mobile apps.

How to use it: Tap Try on in a product listing and add a photo. Use Favorites or folders to save products.

Tip: For more consistent comparisons, use a reference photo taken from the front in the same lighting as your virtual try-on.

Who can use it: Rolling out on iOS.

How to use it: In mobile ChatGPT, open the camera, select Scan from the three-dot menu, and capture the pages in succession.

Tip: Fit the document edges fully in the frame and capture pages in a consistent order; check the preview before the PDF is created.

Who can use it: Developers using the Agents API; also available in Codex and ChatGPT Work on Pro 500 and Enterprise plans.

How to use it: Enable the computer-use tool in the Agents API and manage site access approvals and authentication flows in your application.

Tip: Give the browser agent access only to the domains it needs, and require explicit user approval before irreversible actions.

Who can use it: New Pro 500 subscriptions are subject to account eligibility; Ultrafast is available from the plan selector.

How to use it: In ChatGPT, select Pro 500 under Settings > My Plan; turn on Ultrafast from the model selector in Work or Codex.

Tip: Since Ultrafast uses its allowance faster than standard mode, use it only for latency-sensitive tasks.

Who can use it: Codex Cloud on Plus, Pro, Business, Healthcare, Education, and Enterprise plans; the new CLI on all plans; Security Cloud on Pro, Business, Enterprise, and Edu.

How to use it: Set up a repository and reusable environment in Codex Cloud; open the `/agents` view in the CLI, Code Review on desktop, or Security Cloud on the web or desktop.

Tip: Pin approved tools, dependencies, and permissions in reusable environment templates for cloud tasks.

Who can use it: Pro and Business Premium in eligible markets; beta in Enterprise, Edu, and Healthcare workspaces with admin enablement.

How to use it: Create a dot in the ChatGPT desktop app or on the web, connect your apps, and assign it a task from its profile.

Tip: Before giving a dot ongoing access, limit its task scope, connected apps, and which actions require approval.

Who can use it: Plugin Extensions, creation, and MCP Events are available on all plans; plugin use in Sites is available on Business, Enterprise, Healthcare, and Edu.

How to use it: Developers can set up Extensions and MCP Events flows using the Plugins developer documentation; Site owners can add supported plugins to a Site.

Tip: Publish plugin actions with only the permissions they need, and limit automation triggers to reversible actions.

Who can use it: API customers; subject to rate limits, EU and other regional inference residency are unavailable.

How to use it: Send `gpt-6-astra` with `service_tier: "ultrafast"` in a Responses request.

Tip: For workloads that require EU data residency, use Standard or another supported model.

Who can use it: Plus, Pro, Business, Enterprise, and Edu in ChatGPT Work and Codex; also available in the OpenAI API as gpt-6.1-sol.

How to use it: Select GPT-6.1 Sol from the model list in Work or Codex; use `gpt-6.1-sol` in the API.

Tip: For long coding tasks, measure cached context costs alongside lower reasoning effort levels.

Who can use it: On Go, Plus, and Pro plans; actual limits depend on the account, abuse safeguards, and current plan terms.

How to use it: Open ChatGPT Voice as usual; use your plan’s GPT-Live limit instead of selecting a separate intelligence level.

Tip: Track limit usage during long conversations, and have a plan to switch to text-based ChatGPT if the task is critical.

Who can use it: Sharing features depend on the account, plan, and workspace permissions.

How to use it: Open the sharing dialog for a file or folder in Library, then select access for a person or workspace and the Viewer/Editor role.

Tip: For shared folders, check in advance who will retain the file if ownership changes or access is removed.

Who can use it: @ChatGPT for Business and Enterprise; Meetings beta on macOS desktop for Pro and Business; profiles for Free, Go, Plus, Pro, Business, and Enterprise.

How to use it: Ask your admin to enable @ChatGPT; open Meetings in the macOS desktop app and profiles in your ChatGPT profile area.

Tip: Align retention and sharing settings for sensitive audio data in meeting notes with your team policy.

Who can use it: Space and Pages are available on Pro, Business, and Enterprise plans; team tasks are available on Business and Enterprise plans.

How to use it: Create a Space or Page in ChatGPT and invite team members; configure team tasks with connected tools and schedules.

Tip: Check Space, Page, and task permissions separately before sharing personal chats in a shared workspace.

Who can use it: Eligible Enterprise customers; subject to application and approval.

How to use it: Submit an enterprise application through the OpenAI Marketplace interest form.

Tip: Before purchasing, clarify the partner software’s data access, license scope, and terms for applying charges against the OpenAI commitment.

Who can use it: API and Codex users; the new model behavior is applied automatically.

How to use it: Rerun workflows that use image inputs; repeat your evaluations if needed.

Tip: For image evaluations, compare old and new outputs using the same test set.

Who can use it: The Sora API is unavailable after September 24, 2026; the web and app experiences are also unavailable.

How to use it: Export Sora content through sora.chatgpt.com/sunset during the final export window.

Tip: Prepare a plan to migrate to an alternative video workflow before leaving legacy Sora integrations in production.

Who can use it: Plus, Pro, Business, Enterprise, and Edu in ChatGPT Work and Codex; GPT-6 Luna in the desktop app on Free and Go; gpt-6-sol and gpt-6-luna in the API.

How to use it: Select Sol or Luna from the Work or Codex model list; use the relevant model ID in the API.

Tip: Test the same task with Sol and Luna to create task-based routing rules for quality, speed, and token cost.

Who can use it: OpenAI API organization and project administrators.

How to use it: Configure the API key creation governance and maximum key lifetime policies in Platform settings.

Tip: Apply short lifetimes and regular rotation to production keys; check that existing keys are not affected by these changes.

Who can use it: Public beta for all developers; there is no additional Agents API fee, and tokens and tools used are billed separately.

How to use it: Follow the Agents API quickstart and define the model, tools, environment, and task in a single agent session request.

Tip: For long sessions, write task status and persistent files to the sandbox to make it easier to continue work after context compaction.

Who can use it: OpenAI API customers; voice sessions cost $0.05/minute, with backend usage billed separately.

How to use it: Start a full-duplex voice session using the Live sessions API or GPT-Live guide.

Tip: Track voice session and backend agent costs with separate metrics; end the session when the user is inactive.

Who can use it: ChatGPT Images 2.5 is subject to existing image generation limits in ChatGPT; GPT Image 2.5 Sunburst/Flare is available to developers using the Image API and the Responses API image generation tool.

How to use it: In ChatGPT, open Images > Templates or select Sketch with `@` on mobile; in the API, use the relevant image model ID and quality setting.

Tip: For a precise edit, start with Sunburst; for fast, high-quality everyday images, start with Flare and compare using the same prompt.

Who can use it: Approved life sciences researchers and API organizations; subject to trusted-access approval.

How to use it: Apply to the trusted-access program and, once approved, use the `gpt-rosalind-research` model in the API.

Tip: Before submitting research data, check access approval, data retention terms, and the scope of sensitive data.

Who can use it: API customers using GPT-5.6 and later supported models in the Responses API.

How to use it: Enable the diagnostic fields and dashboard described in the Prompt Cache Diagnostics guide in the Responses API.

Tip: First check that system instructions and tool order remain unchanged; move variable parts to the end of the prompt.

Who can use it: Gradual rollout to ChatGPT Plus, Pro, Business, and Enterprise; available in the API, Microsoft Azure, and AWS Bedrock. Enterprise access may be off by default.

How to use it: Select GPT-6 Astra from the available model list in ChatGPT; use `gpt-6-astra` in the API and switch to the Responses API for tool calling.

Tip: Because Astra’s safety monitoring may stop a task, design pause and user review workflows for production agents.

Who can use it: In beta in the ChatGPT and Codex Plugin directory; users must connect their own Zendesk or OneNote accounts.

How to use it: Install Zendesk or OneNote from the Plugin directory and connect your personal account.

Tip: Limit the plugin connection to support records and notes the user already has access to.

Who can use it: Limited to eligible Site owners and workspace settings; external recipients must sign in with the authorized account.

How to use it: Open the Site, select Share, add the recipient’s email, and save viewer access.

Tip: Before sharing externally, check what data is visible through the Site’s connected apps.

Who can use it: Eligible ChatGPT for Clinicians users in the U.S.

How to use it: Install Healthcare Public Data from the Plugin directory and connect the apps you want to use.

Tip: Do not include PHI in searches of public sources; independently verify clinical decisions against primary medical sources.