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Google Gemini โ€” AI Chat

Gemini is Googleโ€™s family of multimodal AI models, built by Google DeepMind. It powers Googleโ€™s AI chat assistant at gemini.google.com, integrates into Google Workspace (Gmail, Docs, Sheets), and is available via the Gemini API for developers.

ModelContext WindowBest For
Gemini 2.0 Flash1,000,000 tokensFast responses, everyday tasks
Gemini 2.5 Flash1,000,000 tokensBalanced, cost-efficient
Gemini 2.5 Pro2,000,000 tokensComplex reasoning, long documents
Gemini Ultra1,000,000 tokensMost powerful flagship model

Gemini 2.5 Pro has one of the largest context windows of any publicly available model โ€” 2 million tokens (roughly 1,500 books).

  • Multimodal โ€” understands and generates text, images, audio, video, and code
  • Google integration โ€” works natively within Gmail, Google Docs, Sheets, Slides, Meet
  • Massive context โ€” analyze entire codebases or document libraries in one prompt
  • Search grounding โ€” can search Google in real time for up-to-date information
  • Gemini CLI โ€” command-line access to Gemini for developers (see Gemini CLI)
FeatureDescription
GemsCustom AI personas with specific instructions (like ChatGPTโ€™s GPTs)
Google Workspace integrationSummarize Gmail, draft Docs, analyze Sheets
Image generationGenerate images via Imagen model
YouTube summarizationPaste a YouTube link and ask questions about the video
File uploadsPDFs, images, audio
ExtensionsConnect to Google Maps, Google Flights, Hotels, and more

Gemini is deeply embedded in Googleโ€™s productivity suite:

AppWhat Gemini Can Do
GmailSummarize email threads, draft replies
Google DocsWrite, rewrite, summarize documents
Google SheetsGenerate formulas, analyze data, create charts
Google SlidesCreate presentations from prompts
Google MeetTranscribe meetings, summarize action items
PlanPriceKey Features
Free$0Gemini 2.0 Flash, image generation
Gemini Advanced$19.99/monthGemini 2.5 Pro, 1M context, Gems
Google One AI Premium$19.99/monthIncludes Gemini Advanced + 2 TB Google Drive
Gemini for WorkspaceFrom $12/user/monthEnterprise Workspace integration
FeatureGeminiChatGPTClaude
Context windowUp to 2M tokens128K tokens200K tokens
Google integrationNativeNoNo
Image generationYes (Imagen)Yes (DALL-E 3)No
Real-time searchYes (Google Search)YesYes (Pro)
Video understandingYesLimitedNo
Coding (agent)Gemini CLI, JulesCodex, ChatGPTClaude Code
Terminal window
# Install the Google Generative AI SDK
pip install google-generativeai
# Python usage
import google.generativeai as genai
genai.configure(api_key="YOUR_API_KEY")
model = genai.GenerativeModel('gemini-2.5-flash')
response = model.generate_content("Explain Kubernetes in simple terms")
print(response.text)

Get your API key at Google AI Studio.