Automate Basics

ChatGPT vs Perplexity

ChatGPT is openAI's AI chat assistant for writing, research, images, voice and coding. Perplexity is aI answer engine that replies with cited sources from the web. Here is how they compare on price, free plan, platforms and the jobs each does best, from each vendor's own pages.

Facts checked 23 September 2026

ChatGPT

Free plan · from $8/mo

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Perplexity

Free plan · from $17/mo

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ChatGPTPerplexity
What it isOpenAI's AI chat assistant for writing, research, images, voice and codingAI answer engine that replies with cited sources from the web
PricingFree planFree plan
Free planYesYes
Cheapest paid plan$8/mo (Go)$17/mo billed annually (Pro)
Free trialNone statedNone stated
PlatformsWeb, iOS, Android, macOSWeb, API
Integrations (vendor's figure)Not stated400+ app connectors
Open sourceNoNo
Made byOpenAIPerplexity AI

Choose ChatGPT if…

  • Price matters: its cheapest paid plan is $8/mo against $17/mo.
  • You want a mobile app (iOS and Android).
  • You want a desktop app (macOS).
  • The job is drafting and editing emails, reports and posts.
  • The job is researching a topic with web search and deep research.

Choose Perplexity if…

  • You need an API to build on.
  • The job is getting a sourced answer to a factual question.
  • The job is researching a market or competitor with cited sources.

Still weighing it up?

What ChatGPT does

  • Web search inside chat
  • Deep research reports
  • Image generation and voice chats
  • File uploads and data analysis
  • Projects, scheduled tasks and custom GPTs on paid plans
  • Codex coding agent included in every plan

Watch out for

  • Free and Go have limited uploads, image generation, voice, deep research and Codex access
  • The Go plan may include ads
  • Business plans start at 2 users; Enterprise and Edu pricing requires contacting sales

What Perplexity does

  • Answers with inline citations
  • Choice of models from OpenAI, Google, Anthropic and others on paid plans
  • Deep research
  • Perplexity Computer for multi-step work, documents and apps
  • 400+ app connectors on paid plans
  • Premium data sources such as PitchBook and Statista on paid plans

Watch out for

  • The Free plan has limited daily usage and basic models
  • Among individual plans, monthly Computer credits (10,000) are included only in Max
  • Individual plans are for personal use only

Questions

Is ChatGPT or Perplexity cheaper?

On published entry prices, ChatGPT is cheaper: $8/mo (Go) for ChatGPT against $17/mo billed annually (Pro) for Perplexity. What each plan includes differs, so compare the limits too.

Do ChatGPT and Perplexity have free plans?

Both do. ChatGPT: Unlimited text chats with GPT-5.6 Luna (subject to abuse guardrails); limited uploads, image generation, voice chats, deep research, memory and Codex access. Perplexity: Limited daily usage, basic AI models, citations in every answer; limited file uploads, asset generation and Comet Agent use.

Every fact here comes from each vendor's own pages; the sources are listed on the ChatGPT and Perplexity pages.