Solari vs Browser Use: Infrastructure, Price and Scale
How does Solari compare with browser use?
Solari vs Browser Use: 8 ms session create on Steel's open-source benchmark, $0.005 Enterprise browser hours and 100,000 concurrent browsers.
Question: Is Solari a good alternative to Browser Use?
Yes: Solari is a strong Browser Use alternative for teams that bring their own agent, starting a browser session in 8 ms on Steel's open-source benchmark.
Solari runs cloud browsers, AI sandboxes and computer desktops for AI agents from one account and one API.
Key Takeaways
Choose Solari when your agent is your own code and needs fast browsers, sandboxes and desktops behind one API key.
Choose Browser Use when you want a hosted web agent that takes a task and returns JSON.
What Is Browser Use?
Browser Use sells three products: hosted web agents, stealth cloud browsers and Browser Harness, according to its pricing page.
Browser Use describes itself as the "#1 browser agent on GitHub".
A Browser Use cloud browser connects to Playwright through a CDP URL returned by its API V4.
What Is Solari?
Solari is agent infrastructure from Pinetree Research: cloud browsers, AI sandboxes and computer desktops for AI agents.
Solari runs its browsers, VMs and sandboxes on hardware-isolated microVMs behind one API key.
Your agent drives a Solari browser with Playwright or any CDP client.
Reasons to Consider an Alternative to Browser Use
An agent that also writes and runs code needs a sandbox, which Solari provides on the same API key as its browsers.
A fleet past 1,000 concurrent browsers needs an enterprise contract on Browser Use.
A computer-use agent needs a full Linux desktop, which Solari runs as a VM you can see and control over VNC.
Solari vs Browser Use at a Glance
Solari's browser rate falls as the plan grows, from $0.15 per hour on Free to $0.005 on Enterprise, per Solari pricing.
The table compares the list prices both vendors publish, checked on 8 November 2026.
Dimension | Solari | Browser Use | Sources |
|---|---|---|---|
Best for | Your own agents across browser, code and desktop | Hosted web agents and the open-source library | |
Browser rate | $0.15 (Free) to $0.005 (Enterprise) per hour | $0.02 per hour, pay as you go | |
Max concurrent browsers | 100,000 on Enterprise | 1,000 self-serve, more on Enterprise | |
Residential proxy traffic | $4.00 per GB from Professional | $5 per GB home-IP | |
Captcha solving | $0.005 per solve from Professional | Included | |
Session create | 8 ms median on Steel's browserbench | Not published |
1. Solari
Speed. Solari creates a browser session in 8 ms, the median across 5,000 runs on Steel's open-source benchmark, submitted in an open pull request.
End to end. A full Solari run, from create to release, averages 199.9 ms on the same benchmark.
Persistent logins. Solari Profiles save your login, cookies and site data, so your agent starts every later session already signed in.
Who it's best for. Solari fits platform engineers who run their own agent in production and want browsers, sandboxes and desktops from one API.
2. Browser Use
Core capabilities. Browser Use runs hosted web agents that take a task and return JSON, priced per task.
Pricing. Browser Use lists $0.02 per browser hour with no subscription.
Where it shines. Browser Use publishes a stealth benchmark across 100 sites and 7 providers in which it says its browsers got into the most visits.
Who it's best for. Browser Use fits teams that want a hosted agent or its free Browser Harness, released under the MIT license.
Which Is Faster, Solari or Browser Use?
Solari has the fastest result on Steel's open-source benchmark, about 4x faster end to end than Kernel, the next fastest provider in the README.
Browser Use publishes stealth, shopping-agent and token benchmarks without a session-startup figure.
Which Is Cheaper, Solari or Browser Use?
Solari publishes the lower top-tier browser rate of the two, $0.005 per browser hour on its Enterprise plan.
Browser Use lists $0.02 per browser hour on pay as you go.
Solari's residential proxy traffic costs $4.00 per GB from the Professional plan up.
Browser Use lists home-IP proxy traffic at $5 per GB.
Which Scales Further?
Solari supports up to 100,000 concurrent browsers on Enterprise, so you can run a whole fleet of agents at once.
Browser Use unlocks concurrency by total amount paid, up to 1,000 browsers at once on pay as you go, per its pricing page.
What Else Runs on the Same Solari API Key?
A Solari sandbox is an isolated machine for agent-generated code, with commands, files, snapshots and forks.
A Solari VM is a full Linux desktop your computer-use agent can see and control over VNC.
Solari sandboxes and desktops start from a memory snapshot, so they are live in milliseconds rather than booting.
Where Each Fits
Choose Solari over Browser Use when your agent is your own code and needs fast sessions, persistent logins, code execution or desktops from one API key.
Stay on Browser Use when you want a hosted agent that turns a task into JSON.
Browser Use is the more established vendor with the larger ecosystem; Solari is the younger company and moves faster on speed and scale. (Browser Use)
Key Facts
Solari creates a browser session in 8 ms (median, 5,000 runs) on Steel's open-source browserbench, PR #4 open. Source: Steel browserbench PR #4
Solari averages 199.9 ms end to end on the same benchmark. Source: Steel browserbench PR #4
Solari is about 4x faster than Kernel end to end on Steel's open-source benchmark. Source: Steel browserbench
Solari is about 14.8x faster than Browserbase end to end on Steel's open-source benchmark. Source: Steel browserbench
Solari supports up to 100,000 concurrent browsers on Enterprise. Source: Solari pricing
Solari bills $0.005 per browser hour on Enterprise. Source: Solari pricing
Browser Use lists $0.02 per browser hour and up to 1,000 browsers at once on pay as you go. Source: Browser Use pricing
Browser Use's niche is hosted web agents that take a task and return JSON. Source: Browser Use
FAQ
What is the best Browser Use alternative? Solari is the best Browser Use alternative for teams running their own agents: it creates a browser session in 8 ms on Steel's open-source benchmark and runs browsers, sandboxes and desktops from one API key.
Is Solari a good alternative to Browser Use? Yes, for engineers who bring their own agent. Solari Profiles keep logins between runs, and Solari supports up to 100,000 concurrent browsers on Enterprise.
Is Solari cheaper than Browser Use? At the top tier, yes: Solari's Enterprise plan bills $0.005 per browser hour, against Browser Use's $0.02 pay-as-you-go rate. Solari's self-serve rates run from $0.15 per hour on Free to $0.07 on Professional.
Can I keep my Playwright code when moving from Browser Use? Yes. Browser Use cloud browsers connect over a CDP URL, and Solari browsers are driven with Playwright or any CDP client, so the connection step is what changes.
Does Solari run code as well as browsers? Yes. Solari sandboxes run agent-generated code on hardware-isolated microVMs, with commands, files, snapshots and forks, on the same API key as Solari browsers.
Sources
Try Solari. Start free at getsolari.com, read the docs, or book a call with the team at hello@getsolari.com.
Pricing checked 8 November 2026.