📖 The AI Tool Bible

Gemini Advanced vs Jan

A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.

 
Gemini Advanced
Writing
Jan
Writing
TaglineGoogle's flagship — strong at math, long context, and Workspace integration.Open-source desktop ChatGPT alternative that runs local LLMs and routes to cloud providers from one app.
CategoryWritingWriting
PricingPaid· $20/mo via Google One AI PremiumFree· Free and open source; bring-your-own keys for cloud models
ModelGemini 2.5 ProMulti-model (local open-weights + OpenAI/Claude/Gemini via API)
Editorial score9.0 / 10—
Use cases
Workspace integrationmathlong contextresearch
local-llm-chatprivate-ai-assistantopenai-api-proxymulti-model-chatoffline-inference
Pros
  • Excellent Google Workspace integration
  • Very long context window
  • Strong on STEM tasks
  • Cheapest frontier bundle
  • Genuinely open source with an active community and 40K+ GitHub stars
  • Runs models fully locally for privacy; no data leaves the device by default
  • Unifies local LLMs and cloud APIs (OpenAI, Anthropic, Gemini) in one UI
  • Exposes an OpenAI-compatible local server for use as a backend
  • Free with no subscription or per-token markup
Cons
  • UX still less polished than ChatGPT/Claude
  • Refusals can be inconsistent
  • Limited fine-tuning controls
  • Local inference speed is bottlenecked by your CPU/GPU and RAM
  • Feature polish lags hosted apps (memory, browsing, multimodal still maturing)
  • Setup and model management has a learning curve for non-technical users
Websitegemini.google.comjan.ai
Pick Gemini Advanced if
  • ✅ Excellent Google Workspace integration
  • ✅ Very long context window
  • ✅ Strong on STEM tasks
  • ✅ Cheapest frontier bundle
Pick Jan if
  • ✅ Genuinely open source with an active community and 40K+ GitHub stars
  • ✅ Runs models fully locally for privacy; no data leaves the device by default
  • ✅ Unifies local LLMs and cloud APIs (OpenAI, Anthropic, Gemini) in one UI
  • ✅ Exposes an OpenAI-compatible local server for use as a backend
Compare a different pair →