Agent depth
Can it click, fill forms, and finish multi-step tasks—or only summarize pages?
2026 · side-by-side
Agentic Browser Comparison
See how Tabbit stacks against Comet, Atlas, Dia, and developer platforms—on execution depth, setup friction, price, and where you can run it.
Updated for consumer downloads, not enterprise headless APIs.
Tabbit
#1 in free agent depth
Agent depth ████████░░
Setup cost ██████████
Context █████████░
Price ██████████
What we compare in an agentic browser
Most “AI browsers” only chat. Agentic browsers act—here are the four dimensions that matter when you compare them.
Setup
Download and go vs SDK, API keys, and hosted session billing.
Context
Live tabs, screenshots, and files attached to the agent—not copy-paste.
Price
Free tier, subscription, or usage-based infrastructure costs.
Agentic browser comparison by use case
Pick your primary job—we highlight who fits best in the table below.
Full agentic browser comparison table
Scores reflect consumer-ready products you can download today. Developer infra listed for context.
| Browser | Agent depth | Setup | Context | Platforms | Price | Best fit for this use case |
|---|---|---|---|---|---|---|
| TabbitTabbit | Full agent mode | Download | @ tabs & files | Win + Mac | Free | ✓ |
| Perplexity Comet | Strong agent | Download | Page-aware | Win + Mac | Freemium | — |
| ChatGPT Atlas | Agent + browse | Download | ChatGPT context | Mac (Win soon) | Subscription | — |
| Dia Browser | Assistant-first | Download | Tab chat | Mac | Freemium | — |
| Fellou | Research agent | Download | Workflow focus | Win + Mac | Freemium | — |
| Microsoft Edge | Copilot assist | Preinstalled | Sidebar | Win + Mac | Free | — |
| Browser Use | Full (custom) | SDK + API | Programmatic | Cloud / self-host | Usage-based | ✓ |
Why Tabbit wins this agentic browser comparison
For most people comparing agentic browsers, Tabbit is the only free download that combines real execution with parallel tab groups.
Agent Mode that finishes work
Clicks, scrolls, and chains steps across sites—research reports and form flows, not chat drafts.
Agents beside your tabs
Tasks run in isolated tab groups while you keep browsing—true human-agent parallelism.
Flagship models included
GPT, Claude, Gemini (intl) or DeepSeek, Kimi, Qwen (CN)—no API key stack to compare.
FAQ
Agentic browser comparison questions
An agentic browser uses AI to interpret your goal and take actions on the web—clicking, typing, navigating—until the task is done, not just answering questions in a sidebar.
Done comparing? Download Tabbit
Free agentic browser for Windows & Mac—Agent Mode, @ context, and parallel workflows included.