ChatGPT

Overview

ChatGPT is OpenAI’s consumer and business AI assistant for chat, research, coding, image generation, and agent-style work. You use it at chatgpt.com (web, iOS, Android, desktop), through product surfaces like Codex (coding agents), ChatGPT Work, custom GPTs, and via the OpenAI API for production apps.

OpenAI positions ChatGPT as a general-purpose partner: drafting and analysis, multimodal input (text, images, voice, files), live search, deep research, and longer-horizon tasks that use tools, browsers, and sandboxed code. Individual plans run Free → Go ($8/mo) → Plus ($20/mo) → Pro (from $100/mo, or $200 for the top usage tier). Teams use Business ($20–25/user) or Enterprise (custom). Codex—the cloud coding agent—is bundled into ChatGPT plans with usage that scales by tier.

As of mid-2026, flagship chat models include GPT-5.5 Instant (fast everyday use) and reasoning lines such as GPT-5.6 Sol / Terra / Luna, with GPT-5.6 Sol Pro reserved for Pro. Context windows grow with plan: Instant up to 128K on Pro; Reasoning up to 400K on Pro (~680 pages of input in OpenAI’s published comparisons).

Key features

• Chat everywhere — Web, iOS, Android, and desktop with the same account; history and memory sync across devices.
• Model ladder (mid-2026) — GPT-5.5 Instant on Free/Go/Plus/Pro (limits expand by tier); GPT-5.6 Sol, Terra, and Luna reasoning on Plus+; GPT-5.6 Sol Pro on Pro only; GPT-5 Thinking Mini and selected legacy models on paid plans.
• Codex coding agent — Cloud and desktop coding agent integrated with ChatGPT: multi-file work, sandboxed execution, parallel tasks/worktrees, IDE extension, and CLI (@openai/codex). Limited on Free/Go; expanded on Plus; maximum tasks on Pro (5× or 20× Plus usage).
• Deep Research & agent-style work — Multi-step research with sources; agent mode and ChatGPT Work for longer workflows; scheduled tasks on Go+; built-in browser for live web actions.
• Image generation — Built-in image creation (limited/slower on Free); higher volume and quality on Go/Plus; unlimited and faster on Pro (subject to abuse guardrails). Image generation with “Thinking” on Plus/Pro.
• Voice & multimodal — Voice mode (expanded/unlimited by tier); voice with video from Go up; vision and file uploads for documents, spreadsheets, and screenshots.
• Memory, Projects, GPTs — Cross-chat memory and past-chat recall (depth by plan); Projects for scoped work; discover/use GPTs on all plans; create & share GPTs from Go up; Sites and interactive apps on Plus/Pro.
• Data analysis & code — Code execution / data analysis for charts, tables, and notebooks; Excel, PowerPoint, and Google Sheets extensions (limited Free/Go, full Plus, expanded Pro); code edits on macOS.
• Plugins, apps, Skills — Plugins and interactive apps; Skills beta; apps connecting to internal tools on Plus/Pro; developer mode (beta) on Plus/Pro.
• Workspace agents (teams) — Codex-powered shared agents for Business, Enterprise, Edu, and Teachers: cloud runs, Slack, approvals, connectors, Compliance API visibility (research preview; credit pricing after intro period).
• Business / Enterprise admin — Dedicated workspace, SSO, SCIM, SOC 2 / ISO certs, IP allowlisting, data residency options, company knowledge, connector registry, analytics—features that do not appear on individual Free–Pro tiers.

Pricing

Prices below are USD, exclude tax, and follow OpenAI’s published ChatGPT plans as of July 2026. Always re-check chatgpt.com/pricing and Help Center articles before budgeting—model names, context windows, and usage multipliers change with releases. Go, Plus, and Pro are monthly-only (no annual individual billing per OpenAI Help).

Individual (chatgpt.com)

Plan	Price	What you get (summary)
Free	$0	Limited GPT-5.5 Instant; limited messages/uploads; limited/slower images; limited deep research, memory, Codex, ChatGPT Work (desktop). Opt-out of training available. Ads may apply in some regions.
Go	$8/mo	More GPT-5.5 Instant messages, uploads, and images; longer memory. May include ads. No GPT-5.6 Sol reasoning (Sol is Plus+). Create & share GPTs; scheduled tasks; voice with video.
Plus	$20/mo	Advanced reasoning (GPT-5.6 Sol/Terra/Luna); expanded messages, deep research, memory/context; Projects, tasks, custom GPTs; expanded Codex; ChatGPT Work on desktop/web/mobile; early features; no ads. Instant context ~54K; Reasoning ~256K.
Pro (5×)	$100/mo	Everything in Plus + ~5× Plus usage; GPT-5.6 Sol Pro; maximum Codex tasks at 5×; unlimited* messages/uploads/images (abuse guardrails); max deep research & memory; Instant ~128K / Reasoning ~400K context.
Pro (20×)	$200/mo	Same Pro capabilities as $100 tier but ~20× Plus usage—highest self-serve individual allotment for all-day agents, research, and Codex.

*“Unlimited” on Plus/Pro is subject to OpenAI’s usage policies and abuse guardrails; heavy automation, reselling, or credential sharing can trigger temporary restrictions.

Business & Enterprise

• Business — About $20 per user/month billed annually, or $25/user/month monthly (2+ users). Team workspace, admin console, no training on business data by default, ChatGPT + Codex across apps, higher org-oriented limits. Self-serve; not a solo Pro substitute for max Codex alone.
• Enterprise — Custom pricing (sales). SCIM, SSO, Compliance API, data residency, IP allowlisting, EKM options, higher security reviews, workspace agents with org controls. Some buyers report seat prices well above Business with multi-year commitments—treat as quote-only.
• Education — ChatGPT Edu for universities; free ChatGPT for Teachers (U.S. K–12 verified educators through June 2027 per OpenAI FAQ).

API (separate product)

ChatGPT subscriptions are not the same as OpenAI API credits. Apps, bulk automation, and production agents should use the API platform with pay-per-token (and Batch/caching where available). Subscriptions subsidize interactive chat + Codex; API spend is metered and controllable with keys and rate limits.

Limits & gotchas

• Usage is multi-window, not one number. Chat, Deep Research, images, and Codex each have allowances. Pro tiers multiply Plus usage (5× or 20×); models can still go temporarily unavailable until a reset time shown in-product.
• Codex burns fast on Plus. Community tests (r/codex, HN, 2026) often report ~90 minutes of heavy parallel agent work emptying a 5-hour window while weekly budget remains. Pro is the intended fix for daily multi-agent coding—not “wait four days.”
• No annual Go/Plus/Pro. OpenAI Help states individual Go, Plus, and Pro do not support annual prepay; only Business/Enterprise have annual options.
• Ads on Free and Go. OpenAI rolled out ads support for Free and Go in the U.S. to keep low-price access; Plus, Pro, Business, and Enterprise stay ad-free.
• Training defaults differ. Free–Pro allow opt-out of training. Business/Enterprise default to no training on org content—important for compliance buyers.
• Workspace agents ≠ individual Pro. Shared Codex-powered agents are a Business/Enterprise/Edu research-preview path with admin controls and (after intro) credit pricing—not part of solo Free–Pro feature matrices the same way chat is.
• Context is shared with system overhead. Published Instant/Reasoning windows include room for tools, memory, and system prompts; usable user input is smaller than the headline total.
• Policy guardrails. Automated scraping, reselling access, and multi-user credential sharing violate Terms and can look like “limits” even on Pro.
• Model names churn. Instant and Sol/Terra/Luna labels move with GPT-5.x releases; always check the model picker for current availability on your plan.

Community sentiment

On Reddit (r/ChatGPT, r/codex, r/OpenAI) and Hacker News through 2026, ChatGPT’s reputation is strongest as the default all-rounder—chat + images + research + Codex under one login—with recurring debate on whether $20 Plus still covers power users and how Codex compares to Claude Code / Cursor.

• Loved: Feature breadth (images, voice, GPTs, deep research) on one bill; Codex value on Plus for many engineers (“more for $20 than other vendors”); Pro headroom for long agent runs; Business simplicity for small teams; constant model updates.
• Complained about: Hitting 5-hour Codex/chat caps mid-flow on Plus; opaque “how much left”; ads on Free/Go; Pro at $100–$200 feeling mandatory for heavy Sol/agent days; confusion between Business seats (capped like Plus-class Codex) vs pay-as-you-go Codex seats; occasional quality regressions between model drops.
• vs Claude / Gemini: Many users dual-home—Claude for prose and Claude Code days, ChatGPT for multimodal + Codex limits, Gemini for Workspace. HN threads in 2026 often frame Codex limits as more generous than Claude Code for the same dollars when promotions hold.

“Plus is the everyday sweet spot; Pro is what you buy when Codex and Sol runs are the job, not a side quest.” — common r/codex / HN theme, 2026

Who should use it

• General knowledge workers who want one assistant for writing, search, slides/sheets helpers, and light coding without juggling three apps.
• Creators and marketers who need image generation + drafting + custom GPTs in the same workspace.
• Software engineers using Codex (chat, desktop, IDE, CLI) who fit Plus caps—or who will budget Pro 5×/20× for parallel agents.
• Researchers and analysts leaning on Deep Research, large reasoning context, and Pro memory windows.
• Teams (2+) standardizing on Business for admin, SSO path, and no-training-by-default org data.
• Enterprises needing Compliance API, residency, SCIM, and workspace agents with governance.

Skip or dual-home if you primarily want Claude’s writing/Code stack, Gemini’s Google Workspace depth, or pure local/open models with no SaaS lock-in.

Alternatives

• Claude — Strong long-context writing and Claude Code; compare Max $100–$200 vs ChatGPT Pro for agent coding days.
• Gemini — Google’s assistant with deep Drive/Workspace integration and competitive multimodal plans.
• Perplexity — Search-first answers with citations when research UX is the main job.
• Cursor — AI-native IDE that routes multiple models; better when the editor is home base.
• GitHub Copilot — IDE-centric completion and chat tied to GitHub PRs and repos.
• Grok — xAI assistant with real-time X integration; different persona and ecosystem.
• DeepSeek — Cost-sensitive API alternative for bulk inference when OpenAI quality premium is optional.

Verdict

ChatGPT in mid-2026 is still the default multimodal AI product: Free and Go cover casual volume, Plus at $20 is the rational plan for most professionals (reasoning models, deep research, Codex, no ads), and Pro at $100 or $200 is a pure usage upgrade—same features, 5× or 20× headroom plus Sol Pro. Business/Enterprise are for team governance, not for unlocking a secret solo model. Pair it with Claude or Cursor when writing quality or IDE-first coding matters more than one OpenAI bill—and re-check chatgpt.com/pricing whenever model names or Codex promos shift.