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

ChatGPT Plus and ChatGPT Pro side by side, each in its company's own words and checked September 28, 2026: what each costs, what each says about its limits, and which of the newest models each chat has.

Other companies' plans checked . Updated .

Short answer

ChatGPT Plus costs $20 a month and Pro $100 or $200. Only Pro puts GPT-6 Astra in the chat, as GPT-6 Pro: 50 messages a week on Pro $100, about 216 a month. Plus has Astra only in Work and Codex. llmwise Pro ($20) has up to 31 Astra messages a month in the chat.

Sources: OpenAI Help Center: What is ChatGPT Plus?, OpenAI Help Center: Managing usage with GPT-6 Astra in Work and Codex, ChatGPT pricing, OpenAI: Introducing GPT-6 Sol and Luna, OpenAI Help Center: About ChatGPT Pro tiers and OpenAI Help Center: GPT-6 Pro in ChatGPT, checked .

ChatGPT Plus vs ChatGPT Pro, side by side

Each company's figures, checked September 28, 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)
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 CodexGPT-6 Pro in the chat: 50 a week on Pro $100, 200 a week on Pro $200
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)

“Maximum Codex tasks” (ChatGPT pricing)

What OpenAI say about the limits

ChatGPT Plus or ChatGPT Pro: which to pick

  • Coding a few hours a week

    Plus: at $20 it has Codex with GPT-6 Astra; Pro raises that 5x or 20x.

  • GPT-6 Pro answers in the chat

    Pro $100: the cheapest ChatGPT plan with GPT-6 Pro in the chat, 50 messages a week.

  • Astra plus other families

    llmwise Ultra ($100): up to 225 GPT-6 Astra messages a month in the chat, against Pro $100's 50 GPT-6 Pro a week, plus Claude and Gemini.

Both in one: llmwise Ultra

llmwise Ultra ($100) beside both plans, model by model: each count is the most you get if the month goes to that model.

ChatGPT Plus, ChatGPT Pro and llmwise Ultra, model by model
ModelChatGPT PlusChatGPT Prollmwise Ultra
GPT-6 AstraIn Work and Codex only: an estimated 5–45 every 5 hoursAs GPT-6 Pro: 50 a week on Pro $100, 200 on Pro $200Up to 225 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

Every limit is published. Paid plans also have a monthly fair-use limit on AI cost: Pro $7.50, Max $20, Ultra $42, Studio $85. Using every message on your plan at typical sizes stays under it; very large messages and heavy research use it faster. Every limit, explained.

Each plan on its own, and more pairs

Questions

How much more usage does ChatGPT Pro give than Plus?

Pro $100 "unlocks 5x higher usage than Plus", and Pro $200 20x, in OpenAI's words; new sign-ups to the $200 tier are paused since September 10, 2026.

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.

Claude, GPT, Gemini, DeepSeek, Grok, Kimi, and GLM, in one chat.

See what a message costs before you send it. Free is 5 messages to try; sign in with an email link, no password or card.