<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:ns2="http://www.sec.gov/edgar/common">
    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0002024169</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001717115</issuerCik>
            <issuerName>TEMPUS AI INC</issuerName>
            <secFileNumber>001-42130</secFileNumber>
            <issuerAddress>
                <ns2:street1>600 WEST CHICAGO AVENUE, SUITE 510</ns2:street1>
                <ns2:city>CHICAGO</ns2:city>
                <ns2:stateOrCountry>IL</ns2:stateOrCountry>
                <ns2:zipCode>60654</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>8009765448</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>ANDREW POLOVIN</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>12874</noOfUnitsSold>
            <aggregateMarketValue>904913.46</aggregateMarketValue>
            <noOfUnitsOutstanding>172863470</noOfUnitsOutstanding>
            <approxSaleDate>11/24/2025</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>06/13/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock Units</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>12874</amountOfSecuritiesAcquired>
            <paymentDate>06/13/2024</paymentDate>
            <natureOfPayment>N/A</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>10b5-1 Sales for ANDREW POLOVIN</name>
                <address>
                    <ns2:street1>600 WEST CHICAGO AVENUE, SUITE 510</ns2:street1>
                    <ns2:city>CHICAGO</ns2:city>
                    <ns2:stateOrCountry>IL</ns2:stateOrCountry>
                    <ns2:zipCode>60654</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>11/19/2025</saleDate>
            <amountOfSecuritiesSold>6387</amountOfSecuritiesSold>
            <grossProceeds>434708.16</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>ANDREW POLOVIN</name>
                <address>
                    <ns2:street1>600 WEST CHICAGO AVENUE, SUITE 510</ns2:street1>
                    <ns2:city>CHICAGO</ns2:city>
                    <ns2:stateOrCountry>IL</ns2:stateOrCountry>
                    <ns2:zipCode>60654</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>11/18/2025</saleDate>
            <amountOfSecuritiesSold>5205</amountOfSecuritiesSold>
            <grossProceeds>341126.33</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>11/24/2025</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>08/12/2025</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Andrew Polovin</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
