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ChatGPT

ChatGPT is OpenAI’s conversational assistant for writing, explanations, coding and work with documents or images. The web product and its official apps share one identity; developer API access is a separate service.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

ChatGPT — OpenViST project profile in Chat & Assistants.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use this profile to choose the official product and a documented first task, then check its current access requirements before adopting it.

Who it is for

People choosing an assistant for a defined technical or research task.

Documented uses

  • Summarize a document and check the important statements against the original.
  • Draft or explain text and code through follow-up questions.
Before you choose

Requirements & limits

Access to the official product and the required account features.

  • Tool availability and limits depend on plan, region and settings.
  • ChatGPT and developer API billing are separate.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Summarize a document with traceable checks

Summarize a document with traceable checks

Before you start

  • Access to the official product and the required account features.

Steps

  1. Open the official web product and check that the required file tool is available for your account.

  2. Attach a supported document and request a short summary with references to its sections.

  3. Ask follow-up questions about uncertain statements, then compare them with the original document.

Expected outcome

A documented starting route and a result to inspect against its source material.

Guide limitations

  • Tool availability and limits depend on plan, region and settings.
  • ChatGPT and developer API billing are separate.
Documentation 1 ↗Documentation 2 ↗
OFFICIAL APP EDITIONS

Apps and availability

Developer
OpenAI OpCo, LLC
Platform
iOS
Minimum system
18.0
Store version
1.2026.267
Storefront
us
Store download price
0 USD
App Store ↗

Store metadata checked: 2026-10-03 20:07:15 UTC. Download price does not include subscriptions or in-app purchases.

Evidence and transparency

Sources & review

help.openai.com ↗Guide documentation ↗

Project information reviewed: 2026-10-05 08:37:00 UTC.

Source availability sampled: 2026-10-19 16:18:20 UTC. Availability is separate from editorial review.

Source record details
Source availability
Active
Sources checked
5 October 2026
Original website title
‎ChatGPT App - App Store · Official homepage title · retained in its source language
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