DeepSeek 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, with when to choose each side.

Compared on	DeepSeek Free Visit Remove	ChatGPT Free plan · from $8/mo Visit Remove	Google Gemini Free plan · from $4.99/mo Visit Remove
What it is	Free AI chat app and pay-per-token API from Chinese AI company DeepSeek	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	Yes	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	FreeDeepSeek pricing	$8/mo (Go)ChatGPT pricing	$4.99/mo (Google AI Plus)Google Gemini pricing
What it covers	Not stated	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, iOS, Android, API	Web, iOS, Android, macOS	Web, Android, iOS, API
Integrations (vendor's figure)	Not stated	Not stated	Not stated
Open source	No	No	No
Good for	Everyday questions and drafting at no cost Summarising uploaded documents Developers running high-volume text tasks through the API	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	API prices are higher at peak times (01:00-04:00 and 06:00-10:00 UTC on weekdays) The deepseek-v4-pro API model does not accept images No team or business subscription is listed on the pricing page	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	DeepSeek	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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