Monica
AI overlay extension — ChatGPT + Claude + Gemini in every webpage.
Visit Monica Free 40 queries/day, Pro $9.90/mo
What is Monica?
Monica is a browser extension that overlays an AI assistant on every webpage. Switch between GPT-5, Claude Opus, Gemini, and 30+ models with one click. Includes summarisation, translation, writing tools, and image generation.
Key features
- Multi-model switching (GPT/Claude/Gemini/etc)
- Summarise any webpage or PDF
- Translation across 120+ languages
- Image generation built-in
- Mobile app + extension
Pros
- Real cost saver vs paying for 3 AI subscriptions
- Works in every site without copy-paste
- Active dev — new features monthly
Cons
- Free tier is genuinely limited
- Extension feels heavy on some sites
- Privacy: your queries route through Monica's servers
Best for
Heavy AI users wanting one billResearchers comparing model outputsTranslatorsAnyone tired of switching tabs
