Perplexity vs ChatGPT vs Google Gemini

Pick up to 4 tools and see their free plans, entry prices, platforms and limits in one table. Every fact comes from each vendor's own pages, checked 16 October 2026.

Written head to head: ChatGPT vs Google Gemini · ChatGPT vs Perplexity, with when to choose each side.

Compared on	Perplexity Free plan · from $17/mo Visit Remove	ChatGPT Free plan · from $8/mo Visit Remove	Google Gemini Free plan · from $4.99/mo Visit Remove
What it is	AI answer engine that replies with cited sources from the web	OpenAI's AI chat assistant for writing, research, images, voice and coding	Google's AI assistant app, with paid Google AI plans for higher limits
Free plan	Limited daily usage, basic AI models and citations in every answer; limited web answers, file uploads and asset generation; no video generation, app connectors or Computer credits	Unlimited text chats with GPT-5.6 Luna (subject to abuse guardrails); limited uploads, image generation, voice chats, deep research, memory and Codex access	Flash-Lite model, image generation and editing, Deep Research, Gemini Live, Canvas, Gems, Gemini Notebook and limited Google Flow; 15 GB storage; usage limits that refresh every 5 hours up to a weekly limit
Cheapest paid plan	$17/mo billed annually (Pro)Perplexity pricing	$8/mo (Go)ChatGPT pricing	$4.99/mo (Google AI Plus)Google Gemini pricing
What it covers	$200 a year on annual billing; the developer API is billed separately, per token and per request.	Go may include ads. Plus is $20/month. OpenAI's FAQ says Go and Plus are sold as monthly plans; annual plans are for Business and Enterprise.	2x Free usage limits, video generation, Gemini in Google apps, 400 GB storage.
Free trial	None stated	None stated	None stated
Platforms	Web, API	Web, iOS, Android, macOS	Web, Android, iOS, API
Integrations (vendor's figure)	400+ app connectors	Not stated	Not stated
Open source	No	No	No
Good for	Getting a sourced answer to a factual question Researching a market or competitor with cited sources Comparing products or prices across the web	Drafting and editing emails, reports and posts Researching a topic with web search and deep research Analysing a spreadsheet or document you upload	Researching a topic with Deep Research Drafting emails and documents inside Gmail and Docs Creating images for posts and presentations
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	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	Gemini in Gmail, Docs and other Google apps needs a paid plan, is for ages 18+ and is in select languages Video generation is not in the Free plan The Free plan uses the Flash-Lite model, with usage limits that refresh every 5 hours up to a weekly cap
Made by	Perplexity AI	OpenAI	Google

Entry prices are the cheapest paid plan, as each vendor publishes it; “What it covers” says what that price is per (a user, a channel, a brand, a number of contacts). The sources are listed on each tool's page.

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