AI
Perplexity Pro vs ChatGPT Plus 2026: The Real Fight Is Who Finishes the Work
Perplexity Pro vs ChatGPT Plus used to be a fight about citations versus reasoning. That fight is over. Both $20 plans now ship an autonomous agent that leaves the chat window, touches your apps and comes back with a finished deliverable.
Perplexity renamed its agent Computer and, on September 21, 2026, added Effort Mode, a Skills Marketplace and GPT-6 Astra access for Pro and Max subscribers. OpenAI folded its own agent into a feature called Work, retiring the old Agent Mode on July 9. Neither company advertises the two plans as agent products first, but that is what most of the new spending goes toward.
This guide skips the citation debate you already read elsewhere and goes straight at the question that decides your $20: which agent actually finishes a real task, what it costs once you go past the free allowance, and where each one still needs a human watching over its shoulder.
What Changed Since the Last Round of Comparisons
Three shifts moved the ground under this comparison in the past few weeks.
🆕 Perplexity Computer got a major update on September 21. Effort Mode lets you pick Light, Standard, High or Ultra reasoning depth per task. A Skills Marketplace opened for reusable Computer workflows, and eligible Pro and Max users can now route Computer tasks through GPT-6 Astra.
🆕 ChatGPT Work replaced Agent Mode. The old Agent Mode, with its documented 40 tasks a month, retired on July 9. Work now draws from a shared agent-usage credit pool with Codex, and OpenAI has not published a clean number for how many tasks a Plus subscriber gets.
🆕 Credits became the real price tag. Perplexity Pro includes Computer but only a one-time 4,000-credit bonus, then $1 per 100 credits. A single competitive-analysis report can burn 810 credits. ChatGPT Work stays inside the Plus subscription with no separate meter that OpenAI publishes.
Perplexity Computer vs ChatGPT Work: What Each Agent Actually Does
Both tools now promise to work in the background while you do something else. The execution differs more than the pitch does.
Perplexity Computer
Computer runs as a cloud-based task orchestrator. It coordinates several models on one job, researches in parallel across sources, builds and tests small applications, generates images or video inside a workflow, and connects to more than 400 third-party apps through OAuth. Effort Mode gives you a dial: Light for a quick pass, Ultra when you need the deepest reasoning Perplexity can route to a task.
Skills Marketplace turns finished Computer workflows into reusable templates, and enterprise teams can browse and install what colleagues already built.
ChatGPT Work
Work reads a brief and works through it step by step, sometimes for minutes, sometimes for hours, then returns with a finished spreadsheet, document or small web app. It browses the open web, reads files you attach and fills out forms. Logged-in browser sessions now run through a separate cloud browser feature rather than inside Work itself, a split that trips up users who remember the old Agent Mode workflow.
Work ships at no extra cost on Plus, Pro, Business and Enterprise. Free and Go accounts get a limited version on newer apps only.
✅ Perplexity Computer strength: parallel multi-model research and a growing library of shared workflows ✅ ChatGPT Work strength: finished office-ready files, included in the flat Plus price ❌ Perplexity Computer weakness: credit costs escalate fast on real projects ❌ ChatGPT Work weakness: OpenAI will not say how many tasks Plus actually includes
The Real Cost of Letting an Agent Work Unsupervised
Sticker price stops meaning much once an agent starts spending on its own.
📊 On Perplexity Pro, that one-time 4,000-credit bonus disappears fast. Reviewers clocked a single competitive analysis at 810 credits. Reach a modest 10,000 credits in a month and you owe roughly $120 on top of the $20 subscription. Max includes 10,000 credits plus a 35,000 bonus, which is the plan built for daily agent use rather than occasional runs.
💰 ChatGPT Work carries no published per-task price for Plus. That sounds better until you cannot predict when you will hit the ceiling. The shared credit pool with Codex means a busy coding week can eat into the budget you expected for Work tasks, and OpenAI’s help pages point you to the in-account usage page rather than a fixed number.
⏱️ Neither company will commit to a monthly task count in writing anymore. The old, clean 40-tasks-a-month figure for Agent Mode is gone, and nothing this concrete has replaced it on either side.
Where a Human Still Needs to Watch
Agent mode failures cost more than a bad chat answer, because the agent already acted before you checked its work.
❌ Perplexity Computer sends your data through Perplexity’s servers on every task, which reviewers flag as unsuitable for confidential material. Connector reliability is also uneven. Some integrations misfire and burn credits without finishing the job.
❌ ChatGPT Work can still misjudge a website or form, and because logged-in sessions moved to a separate cloud browser, a task that needs your accounts now touches two systems instead of one. That adds a step where something can go wrong quietly.
✅ Treat both agents as an assistant that drafts the first version, not a coworker you can leave alone. Review before anything an agent produces goes to a client, a form submission or a public page.
Models Behind the Agents
The agent layer sits on top of the same model choice that always separated these two plans.
Perplexity Pro still lets you pick a model per question outside of Computer, including GPT-6 Astra, Claude Sonnet 5, Grok 4.5 and Gemini 3.1 Pro alongside its own Sonar. Inside Computer, eligible Pro and Max accounts can now route tasks through GPT-6 Astra specifically, which is new as of September 21. If you care more about cost than brand names, our DeepSeek review covers a much cheaper open-weight alternative.
ChatGPT Plus stays inside OpenAI’s own lineup. GPT-5.6 Sol remains the default in regular chat. GPT-6 Astra shows up for Plus subscribers only inside Work and Codex, with a limited included amount before extra credits are for sale. Full Astra access in the normal chat window, branded GPT-6 Pro, still requires the $100 or $200 Pro tier.
Related: our GPT-6 Astra release breakdown covers who gets what across every OpenAI tier.
Perplexity Pro vs ChatGPT Plus: Agent Features Side by Side
Perplexity Pro vs ChatGPT Plus Agent Comparison
🤖 Perplexity Pro vs ChatGPT Plus, agent features checked September 28, 2026. Credit costs and task limits change often, confirm in your own account before budgeting.
| Feature | Perplexity Pro | ChatGPT Plus |
|---|---|---|
| 💵 Monthly price | $20 | $20 |
| 🤖 Agent name | Computer | Work (replaced Agent Mode on July 9) |
| 📊 Agent pricing model | One-time 4,000 credit bonus, then $1 / 100 credits | Included in Plus, shared credit pool with Codex |
| ⏱️ Published monthly task limit | ❌ Not published | ❌ Not published (old 40/month figure retired) |
| 🎚️ Effort control | ✅ Effort Mode: Light, Standard, High, Ultra | ❌ No per-task effort dial |
| 🧠 GPT-6 Astra access | ✅ Inside Computer, Pro and Max eligible | ⚠️ Only inside Work and Codex, limited amount |
| 🔌 Third-party app connectors | ✅ 400+ apps via OAuth | ✅ Browses web, fills forms, separate cloud browser for logged-in sessions |
| 🧩 Reusable workflows | ✅ Skills Marketplace (added Sept 21) | ❌ No public marketplace |
| 📄 Deliverable output | Research reports, small apps, images, video | Spreadsheets, documents, small web apps |
| 🔒 Data handling | ⚠️ All tasks pass through Perplexity’s servers | ⚠️ Logged-in sessions use a separate cloud browser |
| 🚀 Heavy daily use plan | Max, $200/mo, 10,000 + 35,000 bonus credits | Pro, $100-$200/mo, full GPT-6 Astra in chat |
Which Plan Should You Buy in Late 2026?
✅ Choose Perplexity Pro if you: run occasional multi-model research projects and can budget for credit overages on the heaviest weeks ✅ Choose ChatGPT Plus if you: want agent access with no separate meter to watch, and mostly need office-ready deliverables ❌ Skip Computer and Work entirely if you: only chat and search, since both agents cost more attention than a casual user needs
If your team runs Computer daily, Perplexity Max at $200 a month is the honest price, not Pro plus surprise credit bills. If you need full GPT-6 Astra access in ordinary chat rather than just inside an agent, that also points to OpenAI’s $100 or $200 Pro tier, not Plus. Whichever plan you pick, nine rules for using ChatGPT effectively improve results.
Budget options still exist outside the agent race. Perplexity’s Education Pro costs $10 a month for verified students, and our Perplexity for students guide covers the setup.
FAQ
Is Perplexity Computer included in the $20 Pro plan?
Yes, but with a catch. Pro includes Computer access and a one-time 4,000-credit bonus. After that bonus runs out, every additional 100 credits costs $1, and a single complex task can burn several hundred credits. Max at $200 a month includes 10,000 monthly credits plus a 35,000 bonus, built for daily use.
What happened to ChatGPT’s Agent Mode?
OpenAI retired Agent Mode on July 9, 2026, and replaced it with Work. Work handles the same kind of multi-step tasks but adds finished deliverables like spreadsheets and small web apps. It draws from a shared agent-usage credit pool with Codex instead of the old fixed 40-tasks-a-month limit.
Can ChatGPT Plus use GPT-6 Astra?
Only inside Work and Codex, with a limited included amount before extra credits are for sale. The regular chat window on Plus still defaults to GPT-5.6 Sol. Full Astra access in normal chat, branded GPT-6 Pro, requires the $100 or $200 Pro tier, not Plus.
Is it safe to let these agents handle sensitive data?
Be cautious with both. Perplexity Computer sends every task through Perplexity’s servers, which reviewers call unsuitable for confidential material. ChatGPT Work also touches external sites and, for logged-in sessions, a separate cloud browser feature. Review every output before it reaches a client or goes public.
Which agent is cheaper for heavy daily use?
Neither $20 plan is built for heavy daily agent use. Perplexity Pro’s credit system gets expensive fast, often around $120 extra to reach 10,000 credits in a month. ChatGPT Work has no published per-task price for Plus, so predictability is the tradeoff instead of a clear cost ceiling.
The Bottom Line: Predictable Meter or Predictable Price
Perplexity Pro gives you the more powerful agent on paper, with parallel multi-model research and a growing Skills Marketplace, but the credit meter can outrun the subscription fast. ChatGPT Plus folds Work into a flat price with no visible meter, at the cost of not knowing exactly how much agent time you actually get.
Run one real multi-step task through each this week, track what it costs you in time, credits or guesswork, and keep the plan that matched what you expected to pay. Tell us in the comments which agent actually finished the job.
Sources
- TechCrunch: Perplexity’s Personal Computer is now available to everyone on Mac
- Engadget: Perplexity’s Hybrid Compute splits sensitive tasks between cloud and local AI