Dia vs Fellou
A side-by-side comparison of Dia and Fellou, two Assistant tools, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
At a glance
The honest brief
Dia
From the makers of Arc; AI lives in the address bar aware of your open tabs and history, not a bolted-on chatbot.
- AI baked into the URL bar
- Tab- and history-aware context
- Reusable 'skills'
- Free tier for light use
- macOS only
- Closed source
- Pro at $20/mo to lift AI limits
- Young product, evolving feature set
Fellou
Plans a visible, editable action plan and then autonomously executes multi-site tasks — research, forms, reports — instead of just answering questions.
- Autonomous multi-site task execution
- Review and intervene at any step
- Deep research across many tabs
- Cross-platform: macOS, Windows, Linux
- Drag-and-drop local file analysis
- Early-stage, credit-gated beta
- No mobile version
- Agentic browsing raises security questions
- Free 'Spark' credits run out quickly