https://steel.dev

Steel | Browser Infrastructure for AI AgentsSteel is open-source browser infrastructure for AI agents. Run scalable cloud browser sessions for web automation through a simple developer API.Steel | Browser Infrastructure for AI Agents If you are an AI agent, read LLMs.txt for step-by-step setup and usage instructions. See what shipped in Launch Week 3See what shipped in Launch Week 3Sessions APIPricingBlogDocsWe're hiring!7.4KDashboardBrowser Infrastructure for AI AgentsBrowser Infrastructure for AI AgentsBrowser Infrastructure for AI AgentsSteel is an open source browser API that lets you control fleets of browsers in the cloud.Steel is an open source browser API that lets you control fleets of browsers in the cloud.Start For FreeCopy Agent PromptCopied PromptCopy Agent PromptMY_APPCan you book me a flight to Madrid for 2 in November?Searching for flights from AMS to MADFound 12 matching flights, would you prioritize low price or time?Prioritize time over price Found 12 matching flights, would you prioritize low price or time?AI_LOGIC12345678910111213141516171819import Steel from ‘steel-sdk’;import OpenAI from 'openai';const client = new OpenAI({ apiKey: process.env['OPENAI_API_KEY'], // This is the default and can be omitted});async function main() { const chatCompletion = await client.chat.completions.create({ messages: [{ role: 'user', content: 'Say this is a test' }], model: 'gpt-3.5-turbo', });}main();STEEL_BROWSERskyscanner.net20:05AMS13:45MAD20:05AMS20:05AMS20:05AMS20:05AMSMY_APPCan you book me a flight to Madrid for 2 in November?Searching for flights from AMS to MADFound 12 matching flights, would you prioritize low price or time?Prioritize time over price Found 12 matching flights, would you prioritize low price or time?AI_LOGIC12345678910111213141516171819import Steel from ‘steel-sdk’;import OpenAI from 'openai';const client = new OpenAI({ apiKey: process.env['OPENAI_API_KEY'], // This is the default and can be omitted});async function main() { const chatCompletion = await client.chat.completions.create({ messages: [{ role: 'user', content: 'Say this is a test' }], model: 'gpt-3.5-turbo', });}main();STEEL_BROWSERskyscanner.net20:05AMS13:45MAD20:05AMS20:05AMS20:05AMS20:05AMSMY_APPCan you book me a flight to Madrid for 2 in November?Searching for flights from AMS to MADFound 12 matching flights, would you prioritize low price or time?Prioritize time over price Found 12 matching flights, would you prioritize low price or time?AI_LOGIC12345678910111213141516171819import Steel from ‘steel-sdk’;import OpenAI from 'openai';const client = new OpenAI({ apiKey: process.env['OPENAI_API_KEY'], // This is the default and can be omitted});async function main() { const chatCompletion = await client.chat.completions.create({ messages: [{ role: 'user', content: 'Say this is a test' }], model: 'gpt-3.5-turbo', });}main();STEEL_BROWSERskyscanner.net20:05AMS13:45MAD20:05AMS20:05AMS20:05AMS20:05AMS800B+800B+800B+Tokens Scraped1,000,000+1,000,000+1,000,000+Browser Hours Served<1s<1s<1sAvg. Session Start TimeUse CasesWhat Developers Build on SteelWhat Developers Build on SteelWhat Developers Build on SteelFrom large-scale scrape jobs to fully autonomous web agents, Steel makes it easy to run browser automations in the cloud.From large-scale scrape jobs to fully autonomous web agents, Steel makes it easy to run browser automations in the cloud.AI AgentsFoundational Model TrainingAI AgentsFoundational Model TrainingAI Shopping AssistantsWeb ScrapingRPA SoftwareSales AutomationRPA SoftwareSales AutomationQA SoftwareCustomer Service AgentsSessions APISessions APISessions APISpin up on-demand browser sessions with a simple API call.Spin up on-demand browser sessions with a simple API call.Start For FreeStart For FreeI’m not a robotAuto CAPTCHA solvingAuto CAPTCHA solvingBuilt-in CAPTCHA solving that keeps your automation flowing.Built-in CAPTCHA solving that keeps your automation flowing.Proxy and Browser FingerprintingProxy and Browser FingerprintingSimple controls to never worry about getting flagged as a bot again.Simple controls to never worry about getting flagged as a bot again.500 msSteel5000 msCompetitionQuick-startQuick-startAverage session starts in less than 1s when client is in same region.Average session starts in less than 1s when client is in same region.Live - 23h:59mUp to 24h Long SessionsUp to 24h Long SessionsRun for a minute or several hours, each session can run up to 24 hours.Run for a minute or several hours, each session can run up to 24 hours.cookie#1cookie#4cookie#3cookie#2Manage and Reuse ContextManage and Reuse ContextSave and inject cookies and local storage to pick up where you left off.Save and inject cookies and local storage to pick up where you left off.-puppeteer.launch({...})+puppeteer.connect({...})-puppeteer.launch({...})+puppeteer.connect({...})1-line Change to Run Puppeteer1-line Change to Run PuppeteerEasily run your Puppeteer, Playwright, or Selenium in the cloud.Easily run your Puppeteer, Playwright, or Selenium in the cloud.PlayingWorld-class ObservabilityWorld-class ObservabilitySession Viewer lets you view and debug live or recorded sessions.Session Viewer lets you view and debug live or recorded sessions.Sign in SecurelyAuto Sign-In Auto Sign-In Securely give your agents access to auth-walled websites and apps.Securely give your agents access to auth-walled websites and apps.I’m not a robotAuto CAPTCHA solvingBuilt-in CAPTCHA solving that keeps your automation flowing.Proxy and Browser FingerprintingSimple controls to never worry about getting flagged as a bot again.500 msSteel5000 msCompetitionQuick-startAverage session starts in less than 1s when client is in same region.Live - 23h:59mUp to 24h Long SessionsRun for a minute or several hours, each session can run up to 24 hours.cookie#1cookie#4cookie#3cookie#2Manage and Reuse ContextSave and inject cookies and local storage to pick up where you left off.-puppeteer.launch({...})+puppeteer.connect({...})1-line Change to Run PuppeteerEasily run your Puppeteer, Playwright, or Selenium in the cloud.PlayingWorld-class ObservabilitySession Viewer lets you view and debug live or recorded sessions.Sign in SecurelyAuto Sign-In Securely give your agents access to auth-walled websites and apps.Get Started with Your Favorite StackGet Started with Your Favorite StackGet Started with Your Favorite StackEasily integrate with the tools you know and love. We're always working on adding more to this list.Easily integrate with the tools you know and love. We're always working on adding more to this list.DocsPythonNode.jsPuppeteerPlaywrightSeleniumComing Soon12345678910from steel import Steel client = Steel() # Create a sessionsession = client.sessions.create()print(f"Session created: {session.id}") # Your session is now ready to use!# Keep this ID handy - you'll need it to connect with automation toolsview Python SDKCookbook ExamplesCookbook ExamplesCookbook ExamplesTry out Steel with the brand new Cookbook examplesTry out Steel with the brand new Cookbook examplesView All ExamplesView All ExamplesBrowser UseBrowser UseLearn how to build an AI Agent with Steel and browser-useLearn how to build an AI Agent with Steel and browser-useView (Python)MagnitudeMagnitudeLearn how to build an AI Agent with Steel and MagnitudeLearn how to build an AI Agent with Steel and MagnitudeView (TS)NotteNotteLearn how to build an AI Agent with Steel and NotteLearn how to build an AI Agent with Steel and NotteView (Python)OpenAI's Computer UseOpenAI's Computer UseLearn how to create a browser automation agent with Steel and OpenAI's Computer UseLearn how to create a browser automation agent with Steel and OpenAI's Computer UseView (TS)View (Python)PlaywrightPlaywrightLearn how to build a starter project for using Playwright with SteelLearn how to build a starter project for using Playwright with SteelView (TS)View (Python)Claude's Computer UseClaude's Computer UseLearn how to create a browser automation agent with Steel and Claude's Computer useLearn how to create a browser automation agent with Steel and Claude's Computer useView (TS)View (Python)Browser UseLearn how to build an AI Agent with Steel and browser-useView (Python)MagnitudeLearn how to build an AI Agent with Steel and MagnitudeView (TS)NotteLearn how to build an AI Agent with Steel and NotteView (Python)OpenAI's Computer UseLearn how to create a browser automation agent with Steel and OpenAI's Computer UseView (TS)View (Python)PlaywrightLearn how to build a starter project for using Playwright with SteelView (TS)View (Python)Claude's Computer UseLearn how to create a browser automation agent with Steel and Claude's Computer useView (TS)View (Python)Our PricingFor info, limits and rates, explore a detailed pricing breakdown ↗.Launch$0per month + usageStart for free. Pay only for what runsIncluded usage:$30 of credits (one time)Email SupportCommunity SupportCommunity SupportGet StartedScalePopular$250per month + usageProduction capacity, stable identity, dedicated supportIncluded usage:$100 of credits (per month)Dedicated Slack ChannelEnterprise SSOHIPA-ready BAAStart ScalingEnterpriseCustomper month + usageYour hardest workloads, with guaranteesIncluded usage:Custom free usage credits1,000+ concurrent browser sessionsStealth BrowserReserve browser poolsContact SalesOur PricingFor info, limits and rates, explore a detailed pricing breakdown ↗.Launch$0per month + usageStart for free. Pay only for what runsIncluded usage:$30 of credits (one time)Email SupportCommunity SupportCommunity SupportGet StartedScalePopular$250per month + usageProduction capacity, stable identity, dedicated supportIncluded usage:$100 of credits (per month)Dedicated Slack ChannelEnterprise SSOHIPA-ready BAAStart ScalingEnterpriseCustomper month + usageYour hardest workloads, with guaranteesIncluded usage:Custom free usage credits1,000+ concurrent browser sessionsCore BrowserReserve browser poolsContact SalesOur PricingFor info, limits and rates, explore a detailed pricing breakdown ↗.Launch$0per month + usageStart for free. Pay only for what runsIncluded usage:$30 of credits (one time)Email SupportCommunity SupportCommunity SupportGet StartedScalePopular$250per month + usageProduction capacity, stable identity, dedicated supportIncluded usage:$100 of credits (per month)Dedicated Slack ChannelEnterprise SSOHIPA-ready BAAStart ScalingEnterpriseCustomper month + usageYour hardest workloads, with guaranteesIncluded usage:Custom free usage credits1,000+ concurrent browser sessionsCore BrowserReserve browser poolsContact SalesGitHub RepositorySteel is proudly open source. Run our sessions locally or self-hosted with our docker container.steel-browserGitHub RepositorySteel is proudly open source. Run our sessions locally or self-hosted with our docker container.steel-browserResearchGrantsResearchGrantsIf you’re doing research for a school, send us an email from your school emails for grants in the form of free credits.SWITCH TO DESKTOPFOR THE ABILITY TO COPY ASSETSEmail us at research@steel.devSWITCH TO DESKTOP TO COPY ASSETSUPDATED SEP 2025Ready toBuild with Steel?Start For FreeDocumentationReady to Build with Steel?Start For FreeDocumentationReady toBuild with Steel?Start For FreeDocumentationReady toBuild with Steel?Start For FreeDocumentationA better way to take your LLMs online.© Nen Labs · Inc. 2026.Terms of Service·Privacy PolicyAll Systems OperationalPlatformDocsStatusBrand AssetsLaunch Week @ SteelJoin the CommunityX / TwitterGitHubBlogDiscordCareersenen1785927601https://steel.dev

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