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.68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">Getting Started</span><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">📦 Installation</span><meta itemprop="position" content="2"></li></ul></nav><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>📦 Installation</h1></header><style>[data-ch-theme="github-dark"] { --ch-t-colorScheme: dark;--ch-t-foreground: #c9d1d9;--ch-t-background: #0d1117;--ch-t-lighter-inlineBackground: #0d1117e6;--ch-t-editor-background: 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}</style>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="a3b4bd8dec5a49ebbfca4828492133e9"><strong>DataStax Langflow</strong><a class="hash-link" aria-label="Direct link to a3b4bd8dec5a49ebbfca4828492133e9" title="Direct link to a3b4bd8dec5a49ebbfca4828492133e9" href="/getting-started-installation#a3b4bd8dec5a49ebbfca4828492133e9"></a></h2>
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<hr>
|
||
<p>The easiest way to get started with Langflow is through the DataStax Cloud Service!</p>
|
||
<p><strong>DataStax Langflow</strong> is a hosted version of Langflow integrated with <a href="https://www.datastax.com/products/datastax-astra" target="_blank" rel="noopener noreferrer">Astra DB</a>. Be up and running in minutes with no installation or setup required. <a href="https://astra.datastax.com/signup?type=langflow" target="_blank" rel="noopener noreferrer">Sign up for free</a>.</p>
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||
<p><img decoding="async" loading="lazy" src="/assets/images/602374500-962ced28f878b8a97790ac3e572d9396.png" width="3104" height="1746" class="img_ev3q"></p>
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<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="ef364ee864c545649d248113ad7d3038"><strong>Install Langflow Locally</strong><a class="hash-link" aria-label="Direct link to ef364ee864c545649d248113ad7d3038" title="Direct link to ef364ee864c545649d248113ad7d3038" href="/getting-started-installation#ef364ee864c545649d248113ad7d3038"></a></h2>
|
||
<hr>
|
||
<div class="theme-admonition theme-admonition-caution admonition_xJq3 alert alert--warning"><div class="admonitionHeading_Gvgb"><span class="admonitionIcon_Rf37"><svg viewBox="0 0 16 16"><path fill-rule="evenodd" d="M8.893 1.5c-.183-.31-.52-.5-.887-.5s-.703.19-.886.5L.138 13.499a.98.98 0 0 0 0 1.001c.193.31.53.501.886.501h13.964c.367 0 .704-.19.877-.5a1.03 1.03 0 0 0 .01-1.002L8.893 1.5zm.133 11.497H6.987v-2.003h2.039v2.003zm0-3.004H6.987V5.987h2.039v4.006z"></path></svg></span>caution</div><div class="admonitionContent_BuS1"><p>Langflow <strong>requires</strong> Python version 3.10 or greater and <a href="https://pypi.org/project/pip/" target="_blank" rel="noopener noreferrer">pip</a> or <a href="https://pipx.pypa.io/stable/installation/" target="_blank" rel="noopener noreferrer">pipx</a> to be installed on your system.</p></div></div>
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||
<p>Install Langflow with pip:</p>
|
||
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>python -m pip install langflow -U</span></div></div><br></code></div></div>
|
||
<p>Install Langflow with pipx:</p>
|
||
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>pipx install langflow --python python3.10 --fetch-missing-python</span></div></div><br></code></div></div>
|
||
<p>Pipx can fetch the missing Python version for you with <code>--fetch-missing-python</code>, but you can also install the Python version manually. Use <code>--force-reinstall</code> to ensure you have the latest version of Langflow and its dependencies.</p>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="86a16dad1d6e481cafb90efea2b9ff93">Having a problem?<a class="hash-link" aria-label="Direct link to Having a problem?" title="Direct link to Having a problem?" href="/getting-started-installation#86a16dad1d6e481cafb90efea2b9ff93"></a></h2>
|
||
<hr>
|
||
<p>If you encounter a problem, see <a href="/getting-started-common-installation-issues">Common Installation Issues</a>.</p>
|
||
<p>To get help in the Langflow CLI:</p>
|
||
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>python -m langflow --help</span></div></div><br></code></div></div>
|
||
<h2 class="anchor anchorWithHideOnScrollNavbar_WYt5" id="d318c4d486b74f5383c45b4f6859dcaa">⛓️ Run Langflow<a class="hash-link" aria-label="Direct link to ⛓️ Run Langflow" title="Direct link to ⛓️ Run Langflow" href="/getting-started-installation#d318c4d486b74f5383c45b4f6859dcaa"></a></h2>
|
||
<hr>
|
||
<ol>
|
||
<li>To run Langflow, enter the following command.</li>
|
||
</ol>
|
||
<div class="ch-codeblock not-prose" data-ch-theme="github-dark"><div class="ch-code-wrapper ch-code" data-ch-measured="false"><code class="ch-code-scroll-parent"><br><div><span class="ch-code-line-number">_<!-- -->10</span><div style="display:inline-block;margin-left:16px"><span>python -m langflow run</span></div></div><br></code></div></div>
|
||
<ol start="2">
|
||
<li>Confirm that a local Langflow instance starts by visiting <code>http://127.0.0.1:7860</code> in a Chromium-based browser.</li>
|
||
</ol>
|
||
<p><img decoding="async" loading="lazy" src="/assets/images/221680153-422d15086b005089f39efee126ea17d1.png" width="1248" height="702" class="img_ev3q"></p>
|
||
<ol start="3">
|
||
<li>Continue on to the <a href="/getting-started-quickstart">Quickstart</a>.</li>
|
||
</ol></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">👋 Welcome to Langflow</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/getting-started-quickstart"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">⚡️ Quickstart</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"><ul class="table-of-contents table-of-contents__left-border"><li><a class="table-of-contents__link toc-highlight" href="/getting-started-installation#a3b4bd8dec5a49ebbfca4828492133e9"><strong>DataStax Langflow</strong></a></li><li><a class="table-of-contents__link toc-highlight" href="/getting-started-installation#ef364ee864c545649d248113ad7d3038"><strong>Install Langflow Locally</strong></a></li><li><a class="table-of-contents__link toc-highlight" href="/getting-started-installation#86a16dad1d6e481cafb90efea2b9ff93">Having a problem?</a></li><li><a class="table-of-contents__link toc-highlight" href="/getting-started-installation#d318c4d486b74f5383c45b4f6859dcaa">⛓️ Run Langflow</a></li></ul></div></div></div></div></main></div></div></div><div id="ms-floating-button" class="ms-fixed ms-bottom-4 ms-right-8 ms-z-[100] ms-flex ms-flex-col ms-items-end hover:ms-cursor-pointer"><div class="ms-relative ms-mb-4"><div style="background-color:#f6f6f6" class="ms-absolute -ms-bottom-1 ms-right-6 -ms-z-10 ms-h-4 ms-w-4 ms-rotate-45"></div><div style="background-color:#f6f6f6" class="ms-z-10 ms-flex ms-items-center ms-justify-center ms-rounded-lg ms-px-3 ms-py-2"><p style="color:#000000;margin:0" class="ms-text-sm">Hi, how can I help you?</p></div></div><div style="background-color:#f6f6f6" class="ms-flex ms-h-16 ms-w-16 ms-flex-col ms-items-center ms-justify-center ms-self-end ms-rounded-full ms-p-2 ms-transition"><div class="ms-rotate-0 ms-flex ms-h-full ms-w-full ms-transform ms-cursor-pointer ms-items-center ms-justify-center ms-rounded-full ms-transition-all ms-delay-75 ms-duration-100 ms-ease-in-out"><div style="color:#000000;font-size:22px;width:48px;height:48px;margin:0px;padding:0px;display:flex;align-items:center;justify-content:center;text-align:center"><img src="/img/chain.png" style="width:40px"></div></div></div><div></div></div></div>
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