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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">AI21 Labs</span></span>
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</style><table class="infobox ib-company vcard"><caption class="infobox-title fn org" style="font-size: 125%;">AI21 Labs</caption><tbody><tr><td colspan="2" class="infobox-image ib-company-logo logo"></td></tr><tr><th scope="row" class="infobox-label">Industry</th><td class="infobox-data category">AI</td></tr><tr><th scope="row" class="infobox-label">Founded</th><td class="infobox-data">2017<span style="display:none"> (<span class="bday dtstart published updated">2017</span>)</span></td></tr><tr><th scope="row" class="infobox-label">Founders</th><td class="infobox-data agent"><style data-mw-deduplicate="TemplateStyles:r1126788409">
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<ul><li><a href="Yoav_Shoham" title="Yoav Shoham">Yoav Shoham</a></li>
<li>Ori Goshen</li>
<li><a href="Amnon_Shashua" title="Amnon Shashua">Amnon Shashua</a></li></ul>
</div></td></tr><tr><th scope="row" class="infobox-label">Headquarters</th><td class="infobox-data adr"><div class="ib-company-locality locality"><a href="Tel_Aviv" title="Tel Aviv">Tel Aviv</a>, Israel</div></td></tr><tr><th scope="row" class="infobox-label">Products</th><td class="infobox-data">Jurassic-1<br>Jurassic-2<br>Wordtune</td></tr><tr><th scope="row" class="infobox-label">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="https://ai21.com">ai21<wbr>.com</a></span></td></tr></tbody></table>
<p><b>AI21 Labs</b> is an Israeli company specializing in <a href="Natural_language_processing" title="Natural language processing">Natural Language Processing</a> (NLP), which develops <a href="Artificial_intelligence" title="Artificial intelligence">AI</a> systems that can understand and generate <a href="Natural_language" title="Natural language">natural language</a>.<sup id="cite_ref-:0_1-0" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading2"><h2 id="History">History</h2></div>
<p>AI21 Labs was founded in November 2017 by <a href="Yoav_Shoham" title="Yoav Shoham">Yoav Shoham</a>, Ori Goshen, and <a href="Amnon_Shashua" title="Amnon Shashua">Amnon Shashua</a> in <a href="Tel_Aviv" title="Tel Aviv">Tel Aviv</a>, Israel.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>
</p><p>In January 2019, the company raised $9.5 million from investors in a seed funding round.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> On October 27, 2020, AI21 Labs launched its first product, <a href="Wordtune" title="Wordtune">Wordtune</a>, an AI-based writing assistant that understands context and can suggest paraphrases and rewrites.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> Google named Wordtune one of its favorite extensions of 2021.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> In August 2021, the company launched AI21 Studio.<sup id="cite_ref-Wiggers_9-0" class="reference"><a href="#cite_note-Wiggers-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:0_1-1" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> In the same month, Jurassic-1, a natural language processing system, was launched with a token vocabulary over 250,000.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-here_14-0" class="reference"><a href="#cite_note-here-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup>
</p><p>In November 2021, Walden Catalyst announced an investment of $20 Million in AI21 Labs.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> Later that month, AI21 Labs completed a $25 million series A round led by Pitango First.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> In July 2022, the company raised $64 million in a series B funding round led by Ahren with the participation of prof. <a href="Amnon_Shashua" title="Amnon Shashua">Amnon Shashua</a>, Walden Catalyst, Pitango, TPY Capital, and Mark Leslie.<sup id="cite_ref-Wiggers_9-1" class="reference"><a href="#cite_note-Wiggers-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup>
</p><p>On January 17, 2023, AI21 Labs announced the launch of Wordtune Spices,<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> a generative AI tool that generates a range of text options that can enhance sentences.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:0_1-2" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup>
</p><p>On March 9, 2023, the company announced the release of Jurassic-2, claiming it has better response times, understands more languages, and features advanced instruction following.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup>
</p><p>On August 31, 2023, the company announced the closing of a $155 million Series C financing round. Investors include previous participants, alongside new ones such as Google and <a href="Nvidia" title="Nvidia">Nvidia</a>.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup>
</p><p>On March 29, 2024, the company released Jamba, an open weights large language model built on a hybrid <a href="Mamba_(deep_learning_architecture)" title="Mamba (deep learning architecture)">Mamba</a> <a href="State-space_representation" title="State-space representation">SSM</a> <a href="Transformer_(deep_learning_architecture)" title="Transformer (deep learning architecture)">transformer</a> using <a href="Mixture_of_experts" title="Mixture of experts">mixture of experts</a> with context lengths up to 256,000 tokens.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> In September 2024, AI21 Labs partnered with <a href="Amazon_Web_Services" title="Amazon Web Services">Amazon Web Services</a> (AWS) to make its Jamba 1.5 family of models available on Amazon Bedrock, enabling the integration of Jamba into enterprise applications.<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup>
</p><p>In March 2025, AI21 Labs released Jamba 1.6 for private enterprise deployment, claiming it outperformed other open models across multiple benchmarks. The same month, AI21 Labs launched Maestro, an AI planning and <a href="Orchestration_(computing)" title="Orchestration (computing)">orchestration</a> system aimed at improving the accuracy of <a href="GPT-4o" title="GPT-4o">GPT-4o</a> and <a href="Claude_3.5_Sonnet" class="mw-redirect" title="Claude 3.5 Sonnet">Claude 3.5 Sonnet</a> in complex tasks.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading2"><h2 id="Management">Management</h2></div>
<div class="mw-heading mw-heading3"><h3 id="Leadership">Leadership</h3></div>
<ul><li>Chairman and co-founder: <a href="Amnon_Shashua" title="Amnon Shashua">Amnon Shashua</a><sup id="cite_ref-mgmt_30-0" class="reference"><a href="#cite_note-mgmt-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup></li>
<li>Co-CEO and co-founder: Ori Goshen<sup id="cite_ref-mgmt_30-1" class="reference"><a href="#cite_note-mgmt-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup></li>
<li>Co-CEO and co-founder: <a href="Yoav_Shoham" title="Yoav Shoham">Yoav Shoham</a><sup id="cite_ref-mgmt_30-2" class="reference"><a href="#cite_note-mgmt-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup></li></ul>
<div class="mw-heading mw-heading3"><h3 id="Advisors">Advisors</h3></div>
<ul><li>Omri Abend, Professor of Cognitive and Brain Science, Computer Science, Hebrew University of Jerusalem<sup id="cite_ref-next_31-0" class="reference"><a href="#cite_note-next-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup></li>
<li>Yonatan Belinkov, Professor of Cognitive and Brain Science, Computer Science, Hebrew University of Jerusalem<sup id="cite_ref-mgmt_30-3" class="reference"><a href="#cite_note-mgmt-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup></li>
<li><a href="Dan_Jurafsky" title="Dan Jurafsky">Dan Jurafsky</a>, Professor of Linguistics, Professor of Computer Science, Stanford University<sup id="cite_ref-next_31-1" class="reference"><a href="#cite_note-next-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup></li>
<li><a href="Kevin_Leyton-Brown" title="Kevin Leyton-Brown">Kevin Leyton-Brown</a>, Professor of Computer Science, University of British Columbia<sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup></li>
<li><a href="Christopher_R%C3%A9" title="Christopher Ré">Christopher Ré</a>, Associate Professor in the Stanford AI Lab (SAIL), Stanford University<sup id="cite_ref-here_14-1" class="reference"><a href="#cite_note-here-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup></li>
<li><a href="Sebastian_Thrun" title="Sebastian Thrun">Sebastian Thrun</a>, Adjunct Professor of Computer Science, Stanford University<sup id="cite_ref-here_14-2" class="reference"><a href="#cite_note-here-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup></li>
<li>Shai Shalev-Shwartz, Professor of Cognitive and Brain Science, Computer Science, Hebrew University of Jerusalem<sup id="cite_ref-next_31-2" class="reference"><a href="#cite_note-next-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup></li>
<li><a href="Dan_Roth" title="Dan Roth">Dan Roth</a>, Professor of Computer & Information Science, University of Pennsylvania<sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup></li>
<li><a href="Nick_McKeown" title="Nick McKeown">Nick McKeown</a>, Professor of Computer Science & Electrical Engineering, Stanford University<sup id="cite_ref-mgmt_30-4" class="reference"><a href="#cite_note-mgmt-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup></li></ul>
<div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2></div>
<ul><li><a href="ChatGPT" title="ChatGPT">ChatGPT</a></li>
<li><a href="OpenAI" title="OpenAI">OpenAI</a></li></ul>
<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>
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