Decide whether this move earns its cost
An application event causes a browser operation. Delivery can be repeated, while the browser may finish after the original HTTP caller stops waiting.
Browserbase's TypeScript Function contract is a reason to retain it when that is the deployed language your team wants. A move to Notte Functions includes a Python execution decision; moving only the browser can leave your existing controller in place.
Consider Notte when an HTTP-invoked Python Function can own the browser task and expose its run history. Your application still needs its own event identity and duplicate-delivery policy.
A TypeScript Function, browser-local action or existing external worker may be the better fit when it already integrates with the event system. Moving the browser does not require moving every webhook handler.
Keep the result contract stable
A test event with a stable application event ID and an operation whose resulting object can be counted.
The application tracks a terminal run and the intended number of website changes for that event, including after duplicate delivery.
Preserve the evidence contract across the move: Event ID, invocation acknowledgement, execution ID, terminal state and resulting website object.
Map the workflow's resources
| Requirement | Browserbase | Notte |
|---|---|---|
| Code execution | TypeScript Functions | Python Functions |
| Scheduled execution | External trigger path | Native |
| Recordings / replay | Documented | Documented |
Sources: docs.browserbase.com [1] ↗docs.browserbase.com [2] ↗docs.notte.cc [3] ↗docs.notte.cc [4] ↗
Where the code runs
Browserbase: A Function is TypeScript code published with an entry point. Invocation starts asynchronously, creates a browser, passes its connection URL to the handler, and stores the result, logs and session ID. Function webhooks report status changes.
Notte: Functions deploy Python code with a run() entry point. Invoke them over HTTP or with an SDK, inspect run history, and roll back code by redeploying an earlier version as the latest version.
Deployment ownership
Browserbase: Publish TypeScript Functions through the supported deployment flow. The reviewed Function overview lists us-west-2 availability; this is narrower than assuming every browser region also hosts Functions.
Notte: Use a remote browser from your existing process or deploy the browser automation as a Notte Function. These choices put lifecycle, scheduling and monitoring responsibilities in different places.
Pricing model
Browserbase: Compare the public plan's included browser allowance and overage with the workflow's duration. Include proxy traffic and any separately priced services; an Arena browser-hour estimate does not describe the whole Browserbase bill.
Notte: The public usage rates are $0.01 per browser-hour, $0.05 per Function-hour and $10 per GB of managed proxy traffic. Paid plans return their price as usage credits. Price the relevant meters and plan eligibility for the workload.
Sources: browserbase.com [1] ↗notte.cc [2] ↗
Cut over one responsibility at a time
For this Browserbase-to-Notte migration, keep the business assertion outside provider resource management. Source profile, connection, file and execution IDs are not valid target IDs; use a documented transfer path or establish the corresponding resource in Notte.
Retain source job history and a rollback route until the target pilot passes. A migration checklist is not evidence that saved state or runtime behavior is automatically portable.
- Preserve the application's event ID when replacing invocation plumbing.
- Invoke the target from a test event and track its terminal result separately from the initial response.
- Route one event partition to the target and keep duplicate handling enabled during cutover.
Sources: docs.browserbase.com [1] ↗docs.notte.cc [2] ↗docs.notte.cc [3] ↗
A proposed acceptance case
This is an evaluation design, not a claim that this workflow has been executed successfully on every provider.
| Part of the test | Required observation |
|---|---|
| Controlled input | A test event with a stable application event ID and an operation whose resulting object can be counted. |
| Pass condition | The application tracks a terminal run and the intended number of website changes for that event, including after duplicate delivery. |
| Negative case | Send the same event twice and interrupt the first caller. Verify that run tracking and idempotency still describe the intended outcome. |
| Evidence to retain | Event ID, invocation acknowledgement, execution ID, terminal state and resulting website object. |
A reason to delay or keep the source
Send the same event twice and interrupt the first caller. Verify that run tracking and idempotency still describe the intended outcome.
Browserbase: An identity feature, a persisted Context and a Function secret solve different problems. Select the required combination instead of treating all three as automatic login.
Delay cutover when the target's selected plan, required artifact path or supported website-account flow is not established. Resolve that gap before moving real jobs, even if the rate comparison favors the target.