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Updated · By , AI-assisted.

ChatGPT Plus vs ChatGPT Pro: price, limits and newest models

ChatGPT Plus costs $20 a month and Pro $100, $200 or $500. Only Pro puts GPT-6 Astra in the chat, as GPT-6 Pro; OpenAI publishes no count for it, only that dearer tiers get more. Plus has Astra only in Work and Codex. llmwise Pro ($20) has up to 31 Astra messages a month in the chat.

ChatGPT Plus vs ChatGPT Pro, side by side

Each company's figures, checked October 1, 2026; the quotes behind them are on each plan's page.

ChatGPT Plus and ChatGPT Pro side by side
ChatGPT PlusChatGPT Pro
Price a month$20$100 (Pro 100) or $200 (Pro 200) or $500 (Pro 500)
Billed yearlyMonthly onlyMonthly only
In IndiaNot publishedNot published
Limits, in briefNo fixed count; an estimated 5–45 GPT-6 Astra messages every 5 hours, in Work and CodexNo count; each dearer tier has more usage than the last
Newest modelsGPT-6 Astra: not in its chat; GPT-6 Sol: not in its chat; GPT-6 Luna: not in its chatGPT-6 Astra: in its chat; GPT-6 Sol: not in its chat; GPT-6 Luna: not in its chat
Also in the plan

“Expanded Codex usage” (ChatGPT pricing)

“Longer Codex and ChatGPT Work sessions” (ChatGPT pricing)

What limits do OpenAI publish?

Should you pick ChatGPT Plus or ChatGPT Pro?

  • Coding a few hours a week

    Plus: at $20 it has Codex with GPT-6 Astra; Pro gives longer Codex sessions.

  • GPT-6 Pro answers in the chat

    Pro 100 ($100): the cheapest ChatGPT plan with GPT-6 Pro in the chat, though OpenAI publishes no count for it.

  • Astra plus other families

    llmwise Ultra ($100): up to 225 GPT-6 Astra messages a month in the chat, a count shown before you send, plus Claude and Gemini.

Does OpenAI train on your chats, on either plan?

As OpenAI's privacy pages put it on September 28, 2026. Neither question arises on llmwise: it doesn't train on your content, and you decide when a chat is deleted.

ChatGPT Plus and ChatGPT Pro: training and retention
AppTraining on your chatsHow to opt outRetention
ChatGPTYes, unless you opt outTurn off “Improve the model for everyone”, or use Temporary ChatTemporary Chats up to 30 days; the page gives no period for saved chats

Both in one: llmwise Ultra

llmwise Ultra ($100) beside both plans. Its monthly counts assume the allowance goes to one model.

ChatGPT Plus, ChatGPT Pro and llmwise Ultra: each model's count
ModelChatGPT PlusChatGPT Prollmwise Ultra
GPT-6 AstraIn Work and Codex only: an estimated 5–45 every 5 hoursAs GPT-6 Pro; OpenAI publishes no count nowUp to 225 a month
GPT-6.1 SolNot named on its pagesNot named on its pagesUp to 900 a month
GPT-6 SolIn Work and Codex; not in Chat yetIn Work and Codex; not in Chat yetUp to 900 a month
Claude Fable 5.1Not offered: GPT onlyNot offered: GPT onlyUp to 225 a month

Behind Ultra's counts is a $42 monthly ceiling on AI cost, its fair-use limit: typical use stays under it, and huge messages or deep research get there first. Every limit, explained.

Each plan on its own, and more pairs

Bar chart: Messages on llmwise Ultra ($100 a month), by model. GPT-6.1 Sol: up to 900 a month; GPT-6 Sol: up to 900 a month; GPT-6 Astra: up to 225 a month; Claude Fable 5.1: up to 225 a month.
From llmwise's plans. Each bar gives one model the whole month; the everyday models are counted per day.

ChatGPT Plus or ChatGPT Pro: more questions

How much more usage does ChatGPT Pro give than Plus?

OpenAI doesn't say in numbers now (checked October 1, 2026). Its help center says Pro 200 includes more usage than Pro 100 and Pro 500 the most of the three, and that new Pro 200 subscribers get a lower allowance than before, unless they're eligible for grandfathering.

Which one has GPT-6 Astra?

In the chat, only as GPT-6 Pro on Pro. Plus has Astra in Work and Codex, an estimated 5–45 messages every 5 hours.

ChatGPT Plus or ChatGPT Pro? Ask GPT-6 Astra and Claude Fable 5.1 first

Both are on llmwise Ultra ($100): up to 225 a month on GPT-6 Astra, up to 225 a month on Claude Fable 5.1. Ask one, then switch; the second answers with the whole chat in view.