Browser & Computer-Use Agentsfree

UI-TARS Desktop (ByteDance)

Open-source multimodal agent stack that controls desktop and browser from screenshots

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What UI-TARS Desktop (ByteDance) does

  • Open-source multimodal agent stack that controls desktop and browser from screenshots
  • Agent TARS CLI and desktop app with MCP support
  • Runs with UI-TARS models or other vision LLMs
  • Local operator mode keeps data on device

UI-TARS Desktop (ByteDance) — straight answers

What is UI-TARS Desktop (ByteDance)?

UI-TARS Desktop (ByteDance) is listed under Browser & Computer-Use Agents, in the AI Agents & Automation category on Flocci AI Tools. Open-source multimodal agent stack that controls desktop and browser from screenshots. It is free, with no paid plan attached, and it lives at github.com.

Is UI-TARS Desktop (ByteDance) free?

UI-TARS Desktop (ByteDance) is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 397 entries on Flocci AI Tools with no upgrade path built in.

Can I use UI-TARS Desktop (ByteDance) in a browser, or is there an app?

UI-TARS Desktop (ByteDance) needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on Mac, Windows, the command line and self-hosting.

What can UI-TARS Desktop (ByteDance) do?

UI-TARS Desktop (ByteDance) does 4 things the catalog singles out: Open-source multimodal agent stack that controls desktop and browser from screenshots; agent tars cli and desktop app with mcp support; runs with ui-tars models or other vision llms; local operator mode keeps data on device.

What is the best free alternative to UI-TARS Desktop (ByteDance)?

Alibaba Page Agent is the closest free alternative: it sits in the same Browser & Computer-Use Agents sub-category and is free. Amazon Nova Act SDK, BrowserOS and MagenticLite also start free. The full list is on the alternatives page.

See the full list →

UI-TARS Desktop (ByteDance) alternatives

Compare all alternatives →

Browser Use

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freemium
  • Open-source library to run browser agents locally for free
  • Hosted agent API billed per token + browser-hour
  • Managed browser infrastructure for scaling agents
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Browserbase

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freemium
  • Free tier: 1 browser-hour/month, 3 concurrent browsers, 3 agent runs
  • Creator of Stagehand, an AI-native browser automation framework
  • Agent identity management for logging into restricted sites
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Skyvern

Browser & Computer-Use Agents
freemium
  • Vision+LLM based automation that survives UI/DOM changes (no brittle selectors)
  • 22,700+ GitHub stars, self-hostable via Docker
  • Used by 500+ enterprises for workflow automation on arbitrary sites
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Steel.dev

Browser & Computer-Use Agents
freemium
  • Open-source browser API for fleets of cloud browsers
  • Free launch tier with one-time starting credits, no card required
  • Built-in auto-CAPTCHA solving and proxy management, sessions up to 24h
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Firecrawl

Browser & Computer-Use Agents
freemium
  • Converts any site into clean LLM-ready markdown/structured data
  • Free tier: 1,000 credits/month, no card required
  • Crawl, scrape, map and search endpoints purpose-built for RAG/agent pipelines
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Playwright MCP

Browser & Computer-Use Agents
free
  • Official Microsoft MCP server exposing Playwright browser control to any MCP client
  • Uses accessibility snapshots instead of screenshots/vision, faster and more deterministic
  • 36k+ GitHub stars, Apache-2.0 licensed
Visit

Head-to-head comparisons

UI-TARS Desktop (ByteDance) vs Browser UseUI-TARS Desktop (ByteDance) vs BrowserbaseUI-TARS Desktop (ByteDance) vs SkyvernUI-TARS Desktop (ByteDance) vs Steel.devUI-TARS Desktop (ByteDance) vs FirecrawlUI-TARS Desktop (ByteDance) vs Playwright MCP