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
| Attribute | Dia | Fellou |
|---|---|---|
| Category | Assistant | Assistant |
| Pricing (differs) | FREEMIUM | FREE |
| License | Proprietary | Proprietary |
| Deployment | Local | Local |
| Platforms (differs) | macOS | macOS, Windows, Linux |
| Model support | — | — |
| Vendor (differs) | The Browser Company | Fellou AI |
| Capabilities (differs) |
|
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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
When to pick which
Across the signals we compare, Dia and Fellou differ on pricing and platforms:
- Pricing
- FREEMIUM · FREE
- Platforms
- macOS · macOS, Windows, Linux
Their capability lists differ in recorded depth — compare the full lists above before deciding.