ChatGPT Go vs Plus vs Pro (Sept 2026): Which Plan Should You Pay For?

Update (October 7, 2026): OpenAI is moving the regular ChatGPT Chat tab to GPT-6: GPT-6 Sol on Plus, Pro, Business, and Enterprise from October 7, and GPT-6 Luna on Free and Go from October 8, alongside a new "Intelligent UI" that can answer with charts, buttons, and small tools. ChatGPT Work and Codex are unchanged, and no prices changed. Where this page says chat defaults to GPT-5.6 Sol or Luna, that described the setup before this rollout. Details: What is ChatGPT's Intelligent UI?

Update (September 29, 2026): At DevDay, OpenAI reopened Pro 200 ($200/month) to new subscribers with a lower usage allowance than before (subscribers active at the cutoff keep their previous allowance through October 29, 2026, per OpenAI's help center), and added Pro 500 ($500/month) with the highest allowance and the Ultrafast speed mode. Every Pro tier and Business Premium also get one always-on agent, called a dot; see What are ChatGPT dots? for details. The same day OpenAI released GPT-6.1 Sol in ChatGPT Work and Codex on Plus and up (not yet in regular chat).

TL;DR. ChatGPT has a free plan (GPT-5.6 Luna in standard chat with unlimited text chats since August 2026, GPT-5.6 Terra in Codex/Work), a budget Go plan ($8/month, same Luna default with roomier limits), a Plus plan ($20/month) that unlocks GPT-5.6 Sol in standard ChatGPT plus Sol/Terra/Luna in Codex and Work, and a Pro plan from $100/month for 5× Plus usage (Pro 200 at $200/month reopened to new sign-ups on September 29, 2026 with a lower allowance, and Pro 500 at $500/month is new), plus the Sol Pro level and, since September 3, 2026, GPT-6 Astra (shown as "GPT-6 Pro") in regular chat. Business (Standard $25/seat or $20 annual; the new Premium seat at $125 or $100 annual with 5× usage) and Enterprise (custom) cover organizations.

	Free	Go	Plus	Pro
Price	$0	$8/mo	$20/mo	$100 (Pro 100), $200 (Pro 200), or $500/mo (Pro 500)
Model	GPT-5.6 Luna	GPT-5.6 Luna	GPT-5.6 Sol (thinking slider); GPT-6 Astra only in Work and Codex	GPT-5.6 Sol + Sol Pro ("Pro reasoning") + GPT-6 Astra ("GPT-6 Pro") in chat
Messages & limits	Unlimited text chats (abuse guardrails apply); uploads and tools capped	~10× Free on messages, uploads, images; may include ads	Expanded limits on everything; no ads	5× or 20× Plus usage; "unlimited" core chat subject to guardrails
Image generation	"Limited and slower" — observed roughly 2–3/day	~10× Free (observed: a couple dozen/day)	Observed ~40–50 per 3-hour window	Unlimited and faster (guardrails)
Codex & Sites	"Limited Codex access" + limited Work (desktop) on Terra; no Sites	Same limited Codex/Work on Terra; no Sites	"Expanded Codex usage" + Work on desktop, web, mobile with Sol/Terra/Luna; Sites included	"Maximum Codex tasks"; Sites included
Best for	Trying it out, casual questions	Heavy chat on a budget	Daily professional use (the default pick)	Running agents all day, hitting Plus limits

Quoted wording is from OpenAI's live pricing page (chatgpt.com/pricing); image counts are observed, not official caps. Comparing with Claude? See Claude pricing.

ChatGPT plans at a glance

OpenAI sells six ChatGPT plans as of September 2026. Three are for individuals, two for organizations, and one is free:

• Free — $0. GPT-5.6 Luna in chat, unlimited text chats, capped uploads and images.
• Go — $8/month. Same Luna model with roughly 10× Free's limits; may include ads.
• Plus — $20/month. GPT-5.6 Sol in chat, the Codex and Work agents, Sites, custom GPTs, full deep research, no ads.
• Pro — from $100/month. Pro 100 is 5× Plus usage, with Pro 200 ($200) and Pro 500 ($500, adds Ultrafast) above it. GPT-6 Astra in regular chat, Sol Pro reasoning, unlimited images.
• Business — $25 per seat/month ($20 annual). Shared workspace and admin controls; Premium seats at $125 ($100 annual) add 5× usage and full Astra.
• Enterprise — custom. Compliance controls, SCIM, data residency, priced by sales.

Not sure which rung is yours? The ChatGPT plan picker turns three questions into an answer. Below: the Go-vs-Plus call, Go vs Pro, then every plan in plain English.

ChatGPT Go vs Plus: which one?

Plus, unless you only chat. The $12 gap between Go ($8) and Plus ($20) buys GPT-5.6 Sol — the default model on every paid plan — in regular ChatGPT, full deep research, the Codex and Work agents on Sol/Terra/Luna, ChatGPT Sites, custom GPTs, and an ad-free experience — Go stays on Luna, gets lighter deep research, no Sites, and may show ads. Go is the right call if you hit Free's upload or image limits but never need the strongest model or the agents. If ChatGPT touches your actual work most days, Plus pays for itself the first time Sol handles something Luna can't. (GPT-6 Astra in regular chat starts at Pro; on Plus it's limited to ChatGPT Work and Codex.)

New to the jargon? The AI glossary explains tokens, context windows, and usage caps in plain English.

ChatGPT Go vs Pro: is the $92 jump ever worth it?

Almost never as a direct step — the two plans answer different questions. Go ($8/month) is Free with roomier limits: the same GPT-5.6 Luna model in chat, about 10× the messages, uploads, and image creation, longer memory, lighter deep research, no Sites, and possibly ads. Pro ($100/month for 5× Plus usage) is the power tier: GPT-5.6 Sol and the Sol Pro reasoning level, GPT-6 Astra in regular chat (shown as "GPT-6 Pro", roughly 50 messages a week on the $100 level), maximum Codex and Work agent usage, and image creation that is "unlimited and faster" subject to abuse guardrails. Pro 200 ($200/month) reopened to new sign-ups on September 29, 2026 with a lower allowance, and Pro 500 ($500/month) sits above it.

If you're on Go and feel limited, the question is almost always "Go or Plus?", because Plus ($20) is where the better model and the agents start. Go straight from Go to Pro only if you already know you need GPT-6 Astra in chat or you run agents all day; otherwise you'd be paying $92 more a month for capacity you won't use. One more thing Go and Pro share that Plus doesn't advertise: neither is the plan most working professionals land on. Start at Plus, and move to Pro the first month you actually hit its five-hour limits.

Is there a ChatGPT family plan?

No — there is no ChatGPT family plan as of September 2026. Every consumer plan (Go, Plus, Pro) is a single-user subscription, and OpenAI's terms prohibit sharing one login. The workarounds: give each household member their own account (Free now has unlimited text chat on Luna), or set up a ChatGPT Business workspace — minimum two seats at roughly $20–25 per seat — for one bill with separate logins and Plus-level features. OpenAI has shipped parental controls for teen accounts and is hiring around family and caregiver experiences, and analysts expect a family tier eventually, but nothing has been announced.

What is the Frontier Pro model?

"Frontier Pro" is the name people search for and an earlier label — OpenAI's pricing page today calls it "Pro reasoning with GPT-5.6 Sol Pro." It's the Pro-tier intelligence level: the Sol flagship running in OpenAI's maximum-reasoning "pro" mode, shown as Sol Pro in the model picker on Pro (and, per Codex documentation, Business and Enterprise). It is a setting on Sol rather than a separate model: it spends far more compute per answer on the hardest analysis, coding, and research questions, and it's the main reason to pay for Pro beyond raw usage. Don't confuse it with OpenAI Frontier, the enterprise agent platform launched in February 2026 — sold through sales, not through any ChatGPT plan — or with "GPT-6 Pro", the picker label for GPT-6 Astra, a separate and more capable model that Pro, Business, and Enterprise have had since September 3, 2026.

The plans, top to bottom

Free — $0. Use ChatGPT at chatgpt.com with no payment. Since August 6, 2026 standard chat runs GPT-5.6 Luna with unlimited text chats (subject to abuse guardrails) — file uploads, images, and other tools are still capped. Codex and ChatGPT Work get limited desktop access to GPT-5.6 Terra. Good for trying things out and casual questions.

Go — $8/month. The budget tier: roughly 10× Free's messages, uploads, and image creation, longer memory, and expanded voice mode. Standard chat runs GPT-5.6 Luna (the same unlimited-text default as Free) rather than Sol, and Codex and ChatGPT Work get the same limited desktop access to GPT-5.6 Terra as Free. No Sites, limited deep research, and OpenAI notes that Go may include ads.

Plus — $20/month. The plan most working professionals want. Plus unlocks GPT-5.6 Sol — the default model on every paid plan — in regular ChatGPT and the full Sol / Terra / Luna family in Codex, plus GPT-6 Sol and GPT-6 Luna (since September 22, 2026) and a limited allowance of GPT-6 Astra inside ChatGPT Work and Codex (not in regular chat), along with a thinking slider that sets how hard Sol reasons, advanced image creation, expanded memory across chats, the Codex coding agent, the Work agent for multi-step tasks, ChatGPT Sites (build and host web apps from chat), expanded deep research, and Projects and custom GPTs. If ChatGPT is part of your workday, this is the default choice.

Pro — from $100/month. Three monthly tiers: Pro 100 ($100, 5× Plus usage), Pro 200 ($200; paused to new sign-ups from September 10 and reopened on September 29, 2026 with a lower allowance for new subscribers), and Pro 500 ($500, new on September 29, the highest allowance and the only tier with Ultrafast). All add "Pro reasoning with GPT-5.6 Sol Pro" (the level searchers often call the Frontier Pro model — see the section above), GPT-6 Astra in regular chat since September 3, 2026 — OpenAI's most capable model, shown as "GPT-6 Pro" in the picker, with weekly GPT-6 Pro limits that rise with the tier — maximum access to the Codex and Work agents, unlimited core chat and faster image creation ("unlimited subject to abuse guardrails," per OpenAI), maximum memory and context, and early access to experimental features. Pro is for people running agents hard all day — if you're not hitting Plus limits, you don't need it.

Business — Standard $25 per seat/month ($20 annual), or the new Premium seat at $125/month ($100 annual). Standard adds admin controls, SSO, workspace management, and limited GPT-6 Astra access; Premium, added August 10, 2026, gives each seat 5× Standard usage with no five-hour cap and full Astra access. The "ChatGPT for the whole office" option.

Enterprise — custom pricing. User provisioning (SCIM), data residency, compliance controls, and volume terms. GPT-6 Astra is available, but it's off by default until an admin enables it. Priced by sales, not self-serve.

Which model you actually get

This is the part the plan cards bury. The default family on every plan is still GPT-5.6, released July 9, 2026: Sol (the default on paid plans), Terra (balanced intelligence and cost), and Luna (high-volume and low-cost). Above it, since September 3, 2026, sits GPT-6 Astra — OpenAI's most capable model, shown as "GPT-6 Pro" in the ChatGPT picker on Pro, Business, and Enterprise (off by default on Enterprise until an admin turns it on), and available to Plus only inside ChatGPT Work and Codex. Astra is opt-in, counts against your existing allowance, and by OpenAI's approximate figures gets roughly half as many messages per five-hour window as Sol. GPT-5.6 is not being retired. For the plan-by-plan detail on Astra, see our GPT-6 Astra explainer. Codex lets eligible subscribers select these models directly. Regular ChatGPT presents the family through plan-level controls rather than model names you pick yourself: on Plus and above, the updated Sol handles both quick replies and deep reasoning through one model, with a slider for how much it thinks; Pro, Business, and Enterprise also get the Sol Pro level.

Free and Go stayed on GPT-5.5 when GPT-5.6 shipped, then moved to GPT-5.6 Luna as their default on August 6, 2026 — OpenAI says answers with at least one factual error were about 62% less common with Luna than with the outgoing GPT-5.5 Instant. The one exception still holds: Codex and ChatGPT Work give Free and Go Terra access. Sol in standard ChatGPT still begins at Plus.

"Wait, is this the API or the subscription?"

Same trap as every AI product: there are two completely separate ways to pay OpenAI.

• The subscription (Free / Go / Plus / Pro / Business / Enterprise) — a flat monthly fee for using ChatGPT, the apps, and the bundled agents. This is what almost every professional wants.
• The API — pay-per-use pricing in tokens, for developers building GPT into their own software. Current standard rates for requests with up to 272K input tokens are GPT-6.1 Sol $2/$10 with $0.10 cached input (released September 29, 2026, as the upgrade to GPT-6 Sol) and GPT-6 Luna $0.10/$0.50 (released September 22, 2026), and for the GPT-5.6 family Sol $4/$20 (cut from $5/$30 on August 21, 2026, held at least through November 21), Terra $2/$12, Luna $0.20/$1.20 per million input/output tokens. Cached input is $0.40, $0.20, and $0.02 respectively; longer-context requests cost more. GPT-6 Astra is $10/$50 with $1 cached input.

If you just want to use ChatGPT for work, the per-token numbers have nothing to do with your bill.

Where Codex and ChatGPT Work fit

Codex and ChatGPT Work are plan features rather than separate subscriptions. Plus, Pro, Business, and Enterprise can choose Sol, Terra, or Luna — and, since September 2026, GPT-6.1 Sol (rolling out from September 29), GPT-6 Sol, GPT-6 Luna, and GPT-6 Astra (Codex CLI 0.153.0 or newer) — with the higher plans providing more usage. Work completes multi-step tasks across connected apps; Codex focuses on software work. Consumption still depends on model, context, reasoning, tools, and task complexity.

ChatGPT Sites — OpenAI's build-and-host-a-web-app-from-chat feature, in public beta since July 9, 2026 — is on paid plans only: Plus, Pro, Business, and Enterprise, not Free or Go; available in the EEA, Switzerland, and the UK since July 20, 2026. Usage limits are shown in-product rather than on the pricing page (see OpenAI's Sites docs). What is ChatGPT Sites? has the details.

Custom GPTs don't cost extra either — building and using them is included from Plus up.

How many images can you generate on each plan?

A question we get a lot — and one OpenAI doesn't answer with fixed numbers. The August 2026 "unlimited text chats" change on Free and Go explicitly does not cover images, so the practical picture is unchanged: Free gets roughly 2–3 image generations per day. Go is marketed as about 10× Free's image creation — call it a couple dozen a day, flexing with demand. Plus users commonly report around 40–50 images per rolling 3-hour window. Pro includes "unlimited and faster image creation" subject to abuse guardrails — the only tier where you effectively stop counting. These are observed numbers, not published caps: OpenAI adjusts them with demand, so the banner inside ChatGPT is the source of truth for your account. For the full cross-vendor picture — including message caps and how Gemini's published image limits compare — see AI usage limits compared.

Which plan should you actually pick?

• Just exploring? Start on Free.
• Heavy casual use, budget matters? Go ($8/mo) — knowing you're on Luna, not Sol, and may see ads.
• Using ChatGPT for real work most days? Plus ($20/mo) — Sol in chat, Codex, Work agent, custom GPTs (GPT-6 Astra in Work and Codex only).
• Running agents constantly, hitting limits? Pro — $100 for 5× Plus usage, with $200 and $500 tiers above it if you still run out. Pro is also the first plan with GPT-6 Astra in regular chat.
• Rolling it out to a team? Business, or Enterprise for compliance controls.

Start at Plus. Move up when you feel a limit, not before. If you'd rather have the answer computed for you, the Which ChatGPT plan should I pay for? picker does it in three questions, no account needed.

How this compares to Claude

The ladders mirror each other almost rung for rung: both anchor at $20/month for the individual plan (ChatGPT Plus vs Claude Pro) and both sell $100 power tiers (ChatGPT Pro vs Claude Max; both also sell $200 tiers, and ChatGPT adds a $500 Pro 500 tier on top). ChatGPT's real pricing edge is the $8 Go tier Claude doesn't match; Claude's is that its desktop agent (Claude Cowork) is included on every paid plan from Pro up at no extra charge. One thing the price sheets hide: on the Claude side you're not buying one product but four surfaces — chat, Cowork, Claude Code, and a Chrome extension — and only chat is on the free tier. Which one for which task covers what each paid plan actually unlocks. If you're choosing between the two $20 plans, price won't decide it — see the full Claude vs ChatGPT comparison for where each genuinely wins, and what shipped in GPT-5.6 for the latest on OpenAI's side.

Prices, plan features, and model names are a September 2026 snapshot (reviewed September 6) checked against OpenAI's live pricing page (chatgpt.com/pricing), its August 6 model-update announcement, and its September 3 GPT-6 Astra launch and help-center notes. Image counts and per-plan Sites availability come from OpenAI help articles (learn.chatgpt.com/docs/sites) and user reports, not the pricing page. Everything here changes fast, so confirm current numbers before buying. This article is informational and not financial or purchasing advice.