content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <!-- Generated by Workiva -->
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0002021433</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001849056</issuerCik>
        <issuerName>Oklo Inc</issuerName>
        <secFileNumber>001-40583</secFileNumber>
        <issuerAddress>
          <com:street1>3190 Coronado Dr.</com:street1>
          <com:city>Santa Clara</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>95054</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>650-550-0127</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Jacob Dewitt</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Affiliate</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Class A</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>J.P. Morgan Securities LLC</name>
          <address>
            <com:street1>390 Madison Avenue - 6th Floor</com:street1>
            <com:city>New York</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10017</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>300000</noOfUnitsSold>
        <aggregateMarketValue>16578000</aggregateMarketValue>
        <noOfUnitsOutstanding>139205199</noOfUnitsOutstanding>
        <approxSaleDate>06/30/2025</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Class A Common</securitiesClassTitle>
        <acquiredDate>12/31/2013</acquiredDate>
        <natureOfAcquisitionTransaction>Founder shares</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>300000</amountOfSecuritiesAcquired>
        <paymentDate>12/31/2013</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>06/30/2025</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>03/31/2025</planAdoptionDate>
        </planAdoptionDates>
        <signature>/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Jacob DeWitte</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0002021433
  XXXXXXXX
  LIVE
  0001849056
  Oklo Inc
  001-40583
  3190 Coronado Dr.
  Santa Clara
  CA
  95054
  650-550-0127
  Jacob Dewitt
  Affiliate
  Class A
  J.P. Morgan Securities LLC
  390 Madison Avenue - 6th Floor
  New York
  NY
  10017
  300000
  16578000
  139205199
  06/30/2025
  NYSE
  Class A Common
  12/31/2013
  Founder shares
  Issuer
  N
  300000
  12/31/2013
  N/A
  Y
  06/30/2025
  03/31/2025
  /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Jacob DeWitte