ChatGPT remains the broadest AI assistant on the market — the only product that combines frontier-grade reasoning, a genuinely capable coding agent, image and voice generation, and an enterprise compliance stack under one subscription. That breadth is also its biggest liability: OpenAI now ships model updates and product rebrands every few weeks, its pricing has splintered into seven overlapping tiers, and open consumer-review platforms show real frustration with support and billing.

For anyone who needs one AI tool to do almost everything, ChatGPT is still the default choice. For anyone who wants a stable, predictable product, the pace of change is a genuine cost to budget for.

What Is ChatGPT, and Who Is It For?

ChatGPT is OpenAI‘s consumer- and business-facing AI assistant, built on the company’s GPT family of large language models. What launched in November 2022 as a text-only chatbot has grown into a multimodal work platform: it writes and edits text, generates images and interprets photos, holds real-time voice conversations, analyzes spreadsheets and data files, browses the live web, and — through its Codex and newly launched ChatGPT Work agents — completes multi-step tasks across a user’s own apps and files with limited supervision.

The product serves an unusually wide range of people. Students use the free tier for homework help and its dedicated Study Mode. Writers, marketers, and researchers rely on Plus for daily drafting and Deep Research reports.

Developers use Codex, now folded directly into the ChatGPT desktop app, for autonomous coding sessions that can run for hours. Enterprises deploy ChatGPT Business or Enterprise for company-wide knowledge work, complete with single sign-on, audit logging, and a guarantee that business data is not used to train OpenAI’s models.

GPT-5.6, Codex, and the July 2026 Product Overhaul

As of July 2026, ChatGPT’s model lineup is in the middle of another transition. GPT-5.6 — sold under the internal tier names Sol (flagship), Terra (balanced), and Luna (cost-efficient) — became generally available on July 9, replacing GPT-5.5 as the default reasoning model for paid users, while GPT-5.4 is scheduled for retirement on July 23.

OpenAI says Sol posts state-of-the-art results on coding and computer-use benchmarks such as OSWorld 2.0, using markedly fewer output tokens than its predecessor. Free and Go users are moved to Terra; Plus, Pro, Business, and Enterprise users get Sol, with Pro and Enterprise subscribers able to select “Sol Pro” for the hardest tasks. This kind of rapid model churn — three distinct GPT generations released between March and July 2026 alone — has become a defining, and occasionally exhausting, feature of using ChatGPT.

The interface itself just changed shape too. OpenAI’s Codex coding agent has been merged into a single ChatGPT desktop app for macOS and Windows, which now houses three modes: everyday Chat, the new Work agent for cross-app productivity tasks, and Codex for software engineering. The previous standalone ChatGPT app has been renamed “ChatGPT Classic.” This is a meaningful UX shift, and it will take time to see how cleanly OpenAI executes it outside the launch demos.

Performance and Benchmarks

On raw capability, ChatGPT is genuinely strong. Independent trackers such as Artificial Analysis and vendor-published benchmark cards put GPT-5.5 and GPT-5.6 at or near the top of the field on agentic coding, tool use, and long-context retrieval, trading the top spot back and forth with Anthropic’s Claude Opus line and Google’s Gemini 3.1 Pro depending on the specific test.

Where ChatGPT pulls ahead most consistently is breadth: no single competitor currently matches its combination of a mature coding agent, a genuinely useful Deep Research tool, native image generation, and a fast-improving voice mode (GPT-Live-1) in one subscription.

Automation, Agents, and Integrations

The automation layer is where OpenAI has invested most heavily in 2026. Codex can clone a repository into an isolated sandbox, write code, run tests, and open a pull request with minimal prompting.

ChatGPT Work extends that same agentic approach to non-technical work — building spreadsheets, slide decks, and internal reports by pulling context from connected tools like Slack, Google Drive, Microsoft 365, and SharePoint.

Business and Enterprise plans add over 60 first-party connectors, plus Model Context Protocol support for custom integrations, and a “company knowledge” feature that grounds answers in an organization’s own documents.

Security, Privacy, and Compliance

Security and compliance are solid at the paid-team level. ChatGPT Business and Enterprise carry SOC 2 Type 2 attestation, SAML SSO, and (Enterprise only) SCIM provisioning, enterprise key management, and role-based access controls. Enterprise customers can additionally choose data residency across ten regions.

OpenAI states that Business and Enterprise conversations are never used for model training by default; Free, Go, Plus, and Pro users are opted in to training use unless they manually disable it in settings — worth knowing before using a personal account for anything sensitive.

All plans use TLS 1.2 in transit and AES-256 at rest, and OpenAI runs a public bug bounty program.

OpenAI Background

The company behind the product has grown just as fast as the product itself. OpenAI was founded in San Francisco in December 2015 and restructured in 2025 into a public benefit corporation controlled by the nonprofit OpenAI Foundation. It closed a $122 billion funding round in March 2026 at an $852 billion valuation and confidentially filed paperwork for a U.S. stock market listing in June 2026.

ChatGPT itself now draws more than 900 million weekly active users and over 50 million paying subscribers, according to OpenAI’s own disclosures — figures no direct competitor currently approaches.

Known Limitations and Ongoing Controversies

That scale brings real scrutiny. OpenAI is defending multiple wrongful-death and product-liability lawsuits alleging that GPT-4o failed to intervene appropriately in conversations involving users experiencing suicidal ideation or psychosis, and the State of Florida opened a formal action against the company in June 2026 on related grounds.

OpenAI has responded by adding stronger crisis-detection safeguards to newer models and disputes several of the specific allegations. Buyers evaluating ChatGPT for any product involving minors or vulnerable users should treat this as an active, unresolved area rather than a settled question.

Two more limitations are worth flagging plainly:

First, pricing has become genuinely hard to track: seven tiers (Free, Go, Plus, two separate Pro price points, Business, and Enterprise), several mid-year price cuts, and ad insertion on the free and Go tiers since February 2026 all add friction to a straightforward buying decision.

Second, OpenAI discontinued its standalone Sora video app on April 26, 2026, citing unsustainable operating costs; video generation now survives in a reduced, paywalled form inside ChatGPT itself, and OpenAI’s own plan-comparison pages are inconsistent about exactly what that access includes.

Who Should (and Shouldn’t) Choose ChatGPT

ChatGPT is the right choice for individuals and teams who want one subscription to cover chat, coding, research, and content generation, and who are comfortable with a product that changes shape every few weeks.

Teams that need a single stable model behind a long-context, high-stakes writing or analysis workflow, or that are especially sensitive to the ongoing safety litigation, may find Anthropic’s Claude a steadier alternative; teams already deep in Google Workspace may prefer Gemini’s tighter integration. For nearly everyone else, ChatGPT’s combination of raw capability and feature breadth is difficult to match.