/Companies

Bytebot

AcquiredYC S21

Boston, US · Founded 2021 · 3 employees · 11 known investors

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Bytebot is an open-source AI desktop agent that operates in a containerized Linux environment to complete computer tasks via screen interaction, mouse, and keyboard—automating workflows across multiple applications and websites at scale. It serves enterprises and teams needing to automate repetitive work such as data entry, document processing, and multi-system workflows without coding.

Also known as Tantl Labs Inc. · SaveCmd · tantl · Tantl · tantl, SaveCmd, Tantl · bytebot-ai

Founders & leadership· Y Combinator alumni (S21)

Bytebot was founded in 2021 by Carl Atupem.

CACarl Atupem
Carl AtupemFounder · CEO2024–2025
FJ
Filip Juristovski

Investors · 11

Cresset CapitalreportedAtlanta

How we know: Y Combinator's founder network · Not right? Tell us

DVCreportedRotterdam

How we know: Y Combinator's founder network · Not right? Tell us

Global Founders CapitalreportedBerlin · $1M

How we know: funding news · Y Combinator's founder network · Not right? Tell us

Mighty Angelsreported

How we know: Y Combinator's founder network · Not right? Tell us

SAV (Scale Asia Ventures)reportedPalo Alto

How we know: Y Combinator's founder network · Not right? Tell us

Tokyo BlackreportedSan Francisco

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TossellreportedSeattle

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Company profile

researched Aug 2026

Bytebot is an open-source AI desktop agent that gives a language model its own virtual computer. Rather than restricting automation to a browser or to systems that expose APIs, Bytebot runs a full Ubuntu 22.04 desktop inside Docker containers, complete with an XFCE desktop environment, Firefox, VS Code, the Thunderbird email client, a file system, a terminal and support for password managers such as 1Password and Bitwarden. The agent sees the screen through screenshots and acts through simulated mouse movements, clicks, scrolls and keystrokes, so it can operate any installed application in the same way a person would. Users describe tasks in plain language through a web interface; the agent plans the required actions, executes them on its desktop, and returns output along with before-and-after screenshots of every action for inspection.

The system has four components: the Bytebot Desktop container with its automation daemon (bytebotd), an AI agent service built with NestJS that uses Anthropic Claude, OpenAI GPT or Google Gemini models for planning, a Next.js task interface for creating and monitoring tasks, and REST APIs for programmatic task creation and direct desktop control. Two operating modes are offered: autonomous execution, and a takeover mode in which a user can seize control of the desktop mid-task—for example to install software or configure an application—and then let the agent resume. The environment is persistent, so applications installed and logins configured during setup remain available for later tasks. The project also supports the Model Context Protocol.

Documented use cases include downloading invoices from multiple vendor portals and organizing them, logging into sites including handling two-factor authentication via password manager extensions, reading and extracting data from PDFs and spreadsheets, consolidating bank statements, moving records between CRM and ERP systems, scaffolding and testing web applications through terminal and editor, and automated UI and visual regression testing. Bytebot positions this as an AI-based alternative to script-based RPA tools that depend on pre-mapped UI selectors.

Business model

Bytebot distributes its desktop agent as open-source software that users self-host on their own infrastructure, deploying via Docker Compose, a one-click Railway template, Helm charts for Kubernetes, or cloud providers such as AWS, GCP and Azure. Users supply their own LLM provider API keys (Anthropic, OpenAI or Google), so model usage is paid directly to the model vendor rather than to Bytebot. Community support is organized through GitHub and Discord. An earlier iteration of the company, described in its Y Combinator launch post, offered a developer product for prompt-driven web data extraction and form filling with tiered pricing and a hosted browser API for teams that did not want to run browser infrastructure themselves.

Traction

The open-source repository has approximately 11,100 stars, 1,500 forks and 499 commits, and the README is translated into eight additional languages. Y Combinator lists a team size of three. The company maintains Discord and X communities and publishes hosted documentation.

Latest developments

Blog posts in 2025 documented the evolution of the Bytebot Core container into a general agent control surface and argued for a minimal desktop-agent abstraction. The bytebot-ai/bytebot repository, which had accumulated roughly 11,100 stars, 1,500 forks and 499 commits, was archived by the owner on 7 March 2026 and is now read-only. Y Combinator's company page lists Bytebot's status as acquired.

▸Full profile — market position, technology, go-to-market, geography, history, risks & controversies

Market position

Bytebot presents itself as an open-source container for AI desktop agents and a next-generation replacement for robotic process automation, competing with script-based RPA suites such as UiPath and Automation Anywhere, with Microsoft Power Automate Desktop, with browser-only agents and cloud browser infrastructure providers, and with general AI agent frameworks. Y Combinator categorizes the company under generative AI, robotic process automation, SaaS and AI assistants. The project's open-source repository has drawn roughly 11,100 stars and 1,500 forks.

Bytebot's stated distinction from browser-only agents and API integrations is that the agent controls an entire desktop, letting it use email clients, office tools, IDEs, command-line utilities and any software the user installs, and bridging legacy systems that expose no API. Compared with traditional RPA platforms such as UiPath, the company positions the product as requiring no flowcharts or scripts, adapting to interface changes because it interprets the screen visually rather than relying on fixed selectors, and handling unexpected popups or variations. Self-hosting is presented as an additional differentiator: tasks and data remain on customer infrastructure, each desktop is isolated in its own container, and customers use their own LLM API keys without platform usage limits. The codebase is open source and portable across local Docker, Railway, Kubernetes and major cloud providers.

Technology

The stack combines an Ubuntu 22.04 virtual desktop running XFCE4 with pre-installed applications (Firefox, VS Code, Thunderbird) and a bytebotd automation daemon; a NestJS agent service that calls Anthropic Claude, OpenAI GPT or Google Gemini to plan and execute steps; a Next.js web application for task creation and live desktop viewing; and REST endpoints for task management and low-level computer-use actions such as screenshot capture and click_mouse at given coordinates. Files can be uploaded to the desktop and read into the model context. Deployment options include Docker Compose, Railway, Helm charts for Kubernetes, and AWS, GCP or Azure. The project supports the Model Context Protocol and its documentation is exposed through an llms.txt index.

Go-to-market

Distribution is developer-led and open source: a public GitHub repository with quick-start instructions promising deployment in about two minutes, a Railway one-click template, documentation, a Discord community and an X account. The website publishes recorded demonstrations of the agent handling 2FA logins, development workflows and technical research and summarization, plus a blog of technical posts. The earlier browser-automation product was sold through self-service signup with tiered pricing for individual engineers and companies, supplemented by booked calls with the team.

Developers building computer-use agents, plus engineering, operations and back-office teams at companies automating processes that span multiple applications. Documented workloads span finance and banking operations, compliance and regulatory filing, vendor and invoice management, purchase order and ERP entry, HR record keeping, customer onboarding, QA and UI testing, and research and competitive analysis. Self-hosting is aimed at organizations with data-privacy requirements that preclude sending task data to a third-party cloud.

Geography

The company is listed as based in Boston. Because the software is self-hosted, deployments run wherever customers operate their own infrastructure, from local Docker environments to Railway, Kubernetes clusters and AWS, GCP or Azure.

History

The company was founded in 2021 and took part in Y Combinator's Summer 2021 batch, based in Boston with a team of three. Its initial product, presented in a YC launch post, focused on natural-language browser automation for web scraping and form filling, including a hosted browser API and integrations with existing Puppeteer and Playwright setups. The product later evolved into a full desktop agent running in a containerized Linux environment; company blog posts published in April, June and July 2025 chart this shift, covering the case for desktop agents, the choice of a simple desktop-agent abstraction, and the Bytebot Core container as an agent control surface. Y Combinator lists the company's status as acquired. The main open-source repository, bytebot-ai/bytebot, was archived by its owner on 7 March 2026 and is now read-only.

Risks & controversies

The primary open-source repository was archived and set to read-only on 7 March 2026, ending public development in that repository. Because the agent operates a live desktop with access to password managers, browser sessions and uploaded documents, deployments involve handling credentials and sensitive files; the company addresses this by keeping execution on customer-controlled infrastructure and isolating each desktop in its own container.

Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.

Key figures

latest reported
GitHub commits (bytebot-ai/bytebot)Mar 2026499 commits
GitHub forks (bytebot-ai/bytebot)Mar 20261,500 forks
GitHub stars (bytebot-ai/bytebot)Mar 202611,100 stars
Team sizeJan 20253 people

Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.

Related companies · 9

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OntoraOntora provides an AI agent that conducts parallel interviews with employees across an organization to map business processes and identify bottlenecks in operations, sales, and finance. The platform accelerates process discovery and operational transformation by extracting undocumented workflows from employee knowledge.
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MalwarebytesMalwarebytes provides consumer and small-business cybersecurity software, including antivirus and web protection, a privacy VPN, ad/tracker blocking, and identity theft monitoring with insurance. It also offers a browser extension that blocks unsafe content and detects tech support scams, plus a tool for checking suspicious links and screenshots.

Companies working in the same space as Bytebot.

Timeline · 6

launches, deals, and filings
Mar 2026
Main GitHub repository archived and made read-only

The bytebot-ai/bytebot open-source repository was archived by its owner on March 7, 2026, becoming a public read-only archive after 499 commits.

source ↗

Jul 2025
Blog post: 'The Bytebot Core – From Linux Container to Agent Control Surface'

source ↗

Jun 2025
Blog post: 'Why the Simplest Desktop Agent Abstraction Wins'

source ↗

Apr 2025
Blog post: 'The Age of the Desktop Agent Is Here'

source ↗

Jan 2024
Y Combinator launch post: 'Bytebot: The easiest way to get web data'

Company launch post describing an AI-based web data extraction and form-filling product that translates natural language prompts into browser actions, with integration into existing Puppeteer/Playwright setups, a hosted browser API, and a planned no-code playground.

source ↗

Jan 2021
Participated in Y Combinator Summer 2021 batch

Bytebot was part of Y Combinator's Summer 2021 batch, listed under categories including generative AI, robotic process automation and SaaS.

source ↗

Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.

Legal entities · 1

corporate structure
Tantl Labs Inc.

In the news

▸Research sources · 8

primary sources listed

8 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does Bytebot do?
Bytebot is an open-source AI desktop agent that runs in a containerized Linux desktop and completes computer tasks from natural language.
Who founded Bytebot?
Bytebot was founded by Carl Atupem in 2021.
Who are Bytebot's investors?
Bytebot's investors include Jude Gomila, Open Opportunity Fund, Y Combinator, Cresset Capital, DVC, Global Founders Capital, Mighty Angels, Renegade Partners and 3 more.
Where is Bytebot headquartered?
Bytebot is headquartered in Boston, US.