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Browserbase
    • Primitives
      • BrowsersReal browsers for your agent to use the web, without the headaches
      • AgentsScale fully managed browser agents with simple prompts.
      • Web Data APIsSearch and fetch APIs to efficiently retrieve web data
      • RuntimeScalable, sandboxed environments for agent deployments
      • IdentityAuthenticate your agent to navigate the web like a human
      • ModelsUse any model with a single API key
      • ObservabilityUnified debugging your agent across replays, logs, and prompts
    • Open Source
      • Browse CLIGive your agent browsing skills with a single command
      • StagehandThe most popular AI browser automation framework
      • All Use Cases
      • Browser Agent
      • Automated Testing
      • Workflow Automation
      • Web Data Extraction
    • Resources
      • Blog
      • Customers
      • Enterprise
      • Templates
  • Pricing
  • Docs
  • Log in
Log in
Sign up
Get a demo

Train and evaluate browser agents

Train browser agents on real websites with Prime Intellect’s RL pipelines, powered by Browserbase.

Read the docsExplore environments
Open the hosted training run
Play this video on YouTube

How it fits together

Cloud browsers

Browserbase

Cloud browser infrastructure that creates and manages browser sessions via API.

Browserbase

Primitives

  • Browsers
  • Web APIs
  • Runtime
  • Identity
  • Model Gateway
  • Observability
  • Stagehand
  • MCP

Industries

  • AI
  • Healthcare
  • Supply Chain
  • GTM
  • Tax
  • Legal

Developers

  • Docs
  • Templates
  • APIs & SDKs

Community

TwitterLinkedinYoutubeInstagram
Skip to content
Browserbase
    • Primitives
      • BrowsersReal browsers for your agent to use the web, without the headaches
      • AgentsScale fully managed browser agents with simple prompts.
      • Web Data APIsSearch and fetch APIs to efficiently retrieve web data
      • RuntimeScalable, sandboxed environments for agent deployments
      • IdentityAuthenticate your agent to navigate the web like a human
      • ModelsUse any model with a single API key
      • ObservabilityUnified debugging your agent across replays, logs, and prompts
    • Open Source
      • Browse CLIGive your agent browsing skills with a single command
      • StagehandThe most popular AI browser automation framework
      • All Use Cases
      • Browser Agent
      • Automated Testing
      • Workflow Automation
      • Web Data Extraction
    • Resources
      • Blog
      • Customers
      • Enterprise
      • Templates
  • Pricing
  • Docs
  • Log in
Log in
Sign up
Get a demo

Train and evaluate browser agents

Train browser agents on real websites with Prime Intellect’s RL pipelines, powered by Browserbase.

Read the docsExplore environments
Open the hosted training run
Play this video on YouTube

How it fits together

Cloud browsers

Browserbase

Cloud browser infrastructure that creates and manages browser sessions via API.

Browserbase

Primitives

  • Browsers
  • Web APIs
  • Runtime
  • Identity
  • Model Gateway
  • Observability
  • Stagehand
  • MCP

Industries

  • AI
  • Healthcare
  • Supply Chain
  • GTM
  • Tax
  • Legal

Developers

  • Docs
  • Templates
  • APIs & SDKs

Community

TwitterLinkedinYoutubeInstagram
  • Changelog
  • Status
  • Github

    • Company

    • Careers
    • Customers
    • Partner with Us
    • Trust & Security

    Community

    TwitterLinkedinYoutubeInstagram
    • Privacy Policy
    • Terms of Service
    • Privacy Policy
    • Terms of Service

    Environment layer

    BrowserEnv

    Environment abstraction that wraps Browserbase sessions for evaluation and training.

    Prime orchestration

    Prime CLI and hosted training

    Orchestrates evaluation runs and RL training loops at scale.

    Two modes, one environment

    DOM mode

    Structured DOM content and high-level Stagehand instructions.

    • Best for: instruction-following tasks, form filling, and navigation
    • Tools: navigate, observe, act, extract
    • Command: prime eval run browser-dom-example
    Run DOM example

    CUA mode

    Screenshots and coordinate-based

    • Best for: visual, pixel-grounded tasks and complex UIs
    • Tools: click, type_text, scroll, screenshot
    • Command: prime eval run browser-cua-example
    Run CUA example
  • Changelog
  • Status
  • Github

    • Company

    • Careers
    • Customers
    • Partner with Us
    • Trust & Security

    Community

    TwitterLinkedinYoutubeInstagram
    • Privacy Policy
    • Terms of Service
    • Privacy Policy
    • Terms of Service

    Environment layer

    BrowserEnv

    Environment abstraction that wraps Browserbase sessions for evaluation and training.

    Prime orchestration

    Prime CLI and hosted training

    Orchestrates evaluation runs and RL training loops at scale.

    Two modes, one environment

    DOM mode

    Structured DOM content and high-level Stagehand instructions.

    • Best for: instruction-following tasks, form filling, and navigation
    • Tools: navigate, observe, act, extract
    • Command: prime eval run browser-dom-example
    Run DOM example

    CUA mode

    Screenshots and coordinate-based

    • Best for: visual, pixel-grounded tasks and complex UIs
    • Tools: click, type_text, scroll, screenshot
    • Command: prime eval run browser-cua-example
    Run CUA example