Solari vs Browserless: Price, Speed and Fit
How does Solari compare with browserless?
Solari vs Browserless: 8 ms session start on Steel's open-source benchmark, a flat $0.07 per browser hour, and how Browserless bills 30-second units.
Solari starts a browser session in 8 ms on Steel's open-source benchmark and bills a flat $0.07 per browser hour on Professional, while Browserless bills browser time in 30-second units.
Browserless fits teams that want to self-host its browser service under a commercial license.
Key Takeaways
Choose Solari when your agents need fast session starts, sessions measured in hours and browsers, sandboxes and desktops on one account and one API.
Choose Browserless when you want to run the same browser API on your own hardware under its commercial self-hosting license.
What Is Solari?
Solari is agent infrastructure from Pinetree Research that runs Cloud Browsers, AI Sandboxes and Computer Desktops from one API.
Solari Profiles save a login, its cookies and its site data in Playwright's storageState format, so a later session starts already signed in.
What Is Browserless?
Browserless is a hosted and self-hostable headless browser service that connects existing Puppeteer and Playwright scripts by swapping launch() for connect().
Browserless says it has run browsers in production for eight years.
Browserless offers cloud, managed cloud and self-hosted deployments behind the same API.
How Do Solari and Browserless Price Browser Time?
Item | Solari | Browserless | Source |
|---|---|---|---|
Billing basis | Flat rate per browser hour | Units of up to 30 seconds per browser connection | |
Browser rate | $0.07 per hour (Professional), $0.05 (Team), $0.005 (Enterprise) | Per-unit overage rate, set by plan | |
Largest self-serve concurrency | 150 browsers (Professional) | 100 browsers (Scale) | |
Longest self-serve session | 24 hours (Professional) | 60 minutes (Scale) | |
Free plan | 3 concurrent browsers, 1-hour sessions | 2 concurrent browsers, 2-minute sessions | |
Largest plan | Up to 100,000 concurrent browsers (Enterprise) | "Hundreds or thousands of concurrent browsers" (Enterprise) |
Solari bills $0.07 per browser hour on the Professional plan.
Solari bills $0.05 per browser hour on the Team plan.
Browserless counts browser time in units of up to 30 seconds per browser connection.
Browserless charges a fresh unit for every session reconnect.
Which Is Faster, Solari or Browserless?
Solari starts a browser session in 8 ms on Steel's open-source benchmark.
Across 5,000 runs on the same benchmark, a Solari session averaged 199.9 ms end to end, from create to release.
The Solari results sit in pull request #4 on Steel's browserbench repository, which is open for anyone to rerun.
Browserless publishes no session-start latency on its home or pricing page.
What Is Each Built For?
Solari runs browsers, sandboxes and desktops from one API, so your agent can run code and operate the web without a second vendor.
Browserless adds REST APIs for PDFs, screenshots and downloads alongside its browser connection.
Browserless sells a commercial license for self-hosting on its Enterprise plan.
Where Each Fits
Solari supports up to 100,000 concurrent browsers on Enterprise, so you can run a whole fleet of agents at once.
Browserless is the more established vendor with the larger ecosystem; Solari is the younger company and moves faster on speed and price.
Key Facts
Solari session create: 8 ms median on Steel's open-source browserbench, 5,000 runs, PR #4 open.
Solari end to end: 199.9 ms average on the same benchmark.
Solari Professional: $200 per month with $200 of usage included, per Solari pricing.
Solari Enterprise: $0.005 per browser hour, a tenth of Team's rate, per Solari pricing.
Browserless unit: up to 30 seconds of browser time per connection, per Browserless pricing.
Browserless Scale: 100 concurrent browsers and 60-minute sessions, per Browserless pricing.
Browserless browsers: Chrome, WebKit and Firefox, per Browserless pricing.
FAQ
What is the best Browserless alternative? Solari. It starts a browser session in 8 ms on Steel's open-source benchmark, bills $0.07 per browser hour on Professional and runs browsers, sandboxes and desktops from one API.
How does Solari compare with Browserless on price, speed and fit? Solari bills a flat hourly browser rate, publishes an 8 ms session start and adds sandboxes and desktops. Browserless bills 30-second units and fits teams that self-host.
How does Browserless bill browser time? Browserless counts units of up to 30 seconds per browser connection, charges a fresh unit for each reconnect and bills overages per unit on paid plans.
How fast does a Solari browser session start? Solari creates a session in 8 ms and averages 199.9 ms end to end across 5,000 runs on Steel's open-source benchmark, in pull request #4, which is open.
How long can a browser session run on Solari and Browserless? Solari sessions run up to 24 hours on Professional, with unlimited duration on Team and Enterprise. Browserless sessions run up to 60 minutes on Scale and 2 minutes on Free.
Sources
Try Solari. Start free, read the Profiles docs, or rerun the benchmark.
Pricing checked 8 November 2026.