ChatGPT vs Gemini: Complete Comparison 2026

Choosing between ChatGPT and Gemini? We compare both tools across features, pricing, pros and cons to help you decide which is the better fit in 2026.

ChatGPT9.5

OpenAI · Chatbots & LLMs, Coding, Writing

ChatGPT is OpenAI's flagship conversational AI, powering hundreds of millions of weekly users across web, mobile and API. Built on the GPT-4o and GPT-5 family of models, it handles text, images, voice and code in a single interface. With browsing, data analysis, custom GPTs and a vast plugin ecosystem, it remains the default assistant for most knowledge workers.

Gemini9.2

Google DeepMind · Chatbots & LLMs, Coding, Writing

Gemini is Google's natively multimodal model family, deeply integrated across Search, Workspace, Android and the Pixel line. Its standout feature is an enormous context window of up to one to two million tokens, ideal for analysing long videos, codebases and document sets. Gemini blends Google's real-time knowledge with strong reasoning and is available free in many products.

Side-by-side comparison

Feature	ChatGPTOpenAI	GeminiGoogle DeepMind
Quality score	9.5 / 10	9.2 / 10
Starting price	$20/mo	$20/mo
Free tier	Yes — Free tier available	Yes — Free tier available
API input price	$2.5 / 1M tokens	$1.25 / 1M tokens
API output price	$10 / 1M tokens	$5 / 1M tokens
Speed	Fast	Fast
Context window	128K tokens	1M-2M tokens
Categories	Chatbots & LLMs, Coding, Writing	Chatbots & LLMs, Coding, Writing
Key features	Multimodal text, image and voice input Advanced data analysis (code interpreter) Custom GPTs and GPT Store Web browsing and real-time search	Up to 2M token context window Deep Google Workspace integration Native video and audio understanding Real-time Google Search grounding
Pros	+ Most polished and widely supported ecosystem + Excellent general reasoning and coding + Huge third-party integration support	+ Massive context window + Tight integration with Google ecosystem + Generous free access
Cons	− Usage caps on the most capable models − Can be verbose and overly cautious	− Quality can be inconsistent on edge cases − Privacy concerns for some users

Pricing comparison

ChatGPT

$20/mo

API: $2.5 in / $10 out per 1M tokens

Gemini

$20/mo

API: $1.25 in / $5 out per 1M tokens

查看即時 API 價格數據 → llmprice.app

The verdict

Overall, ChatGPT edges ahead with a quality score of 9.5 versus 9.2 for Gemini. Choose ChatGPT if you want most polished and widely supported ecosystem. That said, Gemini is the better pick when massive context window matters most — so the right answer depends on your priorities and budget.

Try ChatGPT →Try Gemini →