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

ChatGPT Plus and Perplexity 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 and Perplexity Pro both cost $20 a month; Perplexity is $17 billed yearly. Neither publishes a count. Plus has OpenAI's models, GPT-6 Astra only in Work and Codex; Perplexity lets you pick one of six, GPT-6 Sol among them, for cited search. llmwise Pro ($20) counts every model either names: up to 125 GPT-6 Sol messages a month.

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, Perplexity pricing, Perplexity Help Center: What is Perplexity Pro? and Perplexity Pro, checked .

ChatGPT Plus vs Perplexity 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 Perplexity Pro side by side
ChatGPT PlusPerplexity Pro
Price a month$20$20
Billed yearlyMonthly only$17 a month
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; weekly Pro Search limits for average use
Newest modelsGPT-6 Astra: not in its chat; GPT-6 Sol: not in its chat; GPT-6 Luna: not in its chatGPT-6 Sol: in its chat; Gemini 3.8 Flash: in its chat; Claude Sonnet 5: in its chat; Kimi K3: in its chat; GLM 5.3: in its chat; Grok 4.7: in its chat
Also in the plan

“Expanded Codex usage” (ChatGPT pricing)

“Every answer includes inline citations from trusted sources, so you can verify claims and make confident decisions.” (Perplexity Pro)

What OpenAI and Perplexity say about the limits

  • “To ensure a smooth experience for all users, Plus subscriptions may include usage limits such as message caps, especially during high demand. These limits may vary based on system conditions.”

    Source: OpenAI Help Center: What is ChatGPT Plus?

  • “More usage limits and memory”

    Source: Perplexity pricing

ChatGPT Plus or Perplexity Pro: which to pick

  • Research with sources

    Perplexity Pro: cited answers and data sources, with the model picked for you or by you.

  • Writing, voice and coding

    ChatGPT Plus: Codex, voice and image creation, which Perplexity's Pro page doesn't offer.

  • Knowing what you get

    llmwise: each model's count before you send, for the models both name.

Both in one: llmwise Pro

llmwise Pro ($20) beside both plans, model by model: each count is the most you get if the month goes to that model.

ChatGPT Plus, Perplexity Pro and llmwise Pro, model by model
ModelChatGPT PlusPerplexity Prollmwise Pro
GPT-6 AstraIn Work and Codex only: an estimated 5–45 every 5 hoursNot offeredUp to 31 a month
GPT-6 SolIn Work and Codex; not in Chat yetYou can pick it; Perplexity publishes no countUp to 125 a month
Gemini 3.8 FlashNot offered: GPT onlyYou can pick it; Perplexity publishes no countUp to 250 a month
Claude Sonnet 5Not offered: GPT onlyYou can pick it; Perplexity publishes no countUp to 125 a month
Kimi K3Not offered: GPT onlyYou can pick it; Perplexity publishes no countUp to 125 a month
GLM 5.3Not offered: GPT onlyYou can pick it; Perplexity publishes no countUp to 250 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

Which is better for research?

Perplexity: every answer comes with inline citations, and Pro adds sources like PitchBook and Statista. Plus searches the web too, but it's a chat first. llmwise searches when you ask, with Claude, GPT, Gemini, Grok and more.

Which is cheaper for students?

Perplexity's Education Pro is $10 a month for verified students; ChatGPT Plus has a 4-month free offer for US college students until October 31, 2026.

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.