content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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  <submissionType>144</submissionType>
  <filerInfo>
  <filer>
  <filerCredentials>
  <cik>0001265677</cik>
  <ccc>XXXXXXXX</ccc>
  </filerCredentials>
  </filer>
  <liveTestFlag>LIVE</liveTestFlag>
  </filerInfo>
  </headerData>
  <formData>
  <issuerInfo>
  <issuerCik>0001816581</issuerCik>
  <issuerName>Ouster, Inc.</issuerName>
  <secFileNumber>001-39463</secFileNumber>
  <issuerAddress>
  <street1 xmlns="http://www.sec.gov/edgar/common">350 Treat Avenue</street1>
  <city xmlns="http://www.sec.gov/edgar/common">San Francisco</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">94110</zipCode>
  </issuerAddress>
  <issuerContactPhone>415-949-0108</issuerContactPhone>
  <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Mark Weinswig</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
  <relationshipsToIssuer>
  <relationshipToIssuer>Officer</relationshipToIssuer>
  </relationshipsToIssuer>
  </issuerInfo>
  <securitiesInformation>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <brokerOrMarketmakerDetails>
  <name>ETRADE FINANCIAL CORPORATION</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">3 EDISON DRIVE</street1>
  <city xmlns="http://www.sec.gov/edgar/common">ALPHARETTA</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">GA</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">30005</zipCode>
  </address>
  </brokerOrMarketmakerDetails>
  <noOfUnitsSold>590</noOfUnitsSold>
  <aggregateMarketValue>5522.4</aggregateMarketValue>
  <noOfUnitsOutstanding>50866423</noOfUnitsOutstanding>
  <approxSaleDate>11/29/2024</approxSaleDate>
  <securitiesExchangeName>NYSE</securitiesExchangeName>
  </securitiesInformation>
  <securitiesToBeSold>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <acquiredDate>11/28/2024</acquiredDate>
  <natureOfAcquisitionTransaction>Restricted stock awarded under incentive award plan</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>1438</amountOfSecuritiesAcquired>
  <paymentDate>02/10/2023</paymentDate>
  <natureOfPayment>Services rendered</natureOfPayment>
  </securitiesToBeSold>
  <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
  <securitiesSoldInPast3Months>
  <sellerDetails>
  <name>Mark Weinswig</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">350 Treat Avenue</street1>
  <city xmlns="http://www.sec.gov/edgar/common">San Francisco</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">94110</zipCode>
  </address>
  </sellerDetails>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <saleDate>08/29/2024</saleDate>
  <amountOfSecuritiesSold>519</amountOfSecuritiesSold>
  <grossProceeds>3814.65</grossProceeds>
  </securitiesSoldInPast3Months>
  <securitiesSoldInPast3Months>
  <sellerDetails>
  <name>Mark Weinswig</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">350 Treat Avenue</street1>
  <city xmlns="http://www.sec.gov/edgar/common">San Francisco</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">94110</zipCode>
  </address>
  </sellerDetails>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <saleDate>09/12/2024</saleDate>
  <amountOfSecuritiesSold>2540</amountOfSecuritiesSold>
  <grossProceeds>15654.78</grossProceeds>
  </securitiesSoldInPast3Months>
  <securitiesSoldInPast3Months>
  <sellerDetails>
  <name>Mark Weinswig</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">350 Treat Avenue</street1>
  <city xmlns="http://www.sec.gov/edgar/common">San Francisco</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">94110</zipCode>
  </address>
  </sellerDetails>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <saleDate>11/20/2024</saleDate>
  <amountOfSecuritiesSold>24220</amountOfSecuritiesSold>
  <grossProceeds>211353.41</grossProceeds>
  </securitiesSoldInPast3Months>
  <securitiesSoldInPast3Months>
  <sellerDetails>
  <name>Mark Weinswig</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">350 Treat Avenue</street1>
  <city xmlns="http://www.sec.gov/edgar/common">San Francisco</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">94110</zipCode>
  </address>
  </sellerDetails>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <saleDate>11/20/2024</saleDate>
  <amountOfSecuritiesSold>7177</amountOfSecuritiesSold>
  <grossProceeds>62554.01</grossProceeds>
  </securitiesSoldInPast3Months>
  <securitiesSoldInPast3Months>
  <sellerDetails>
  <name>Mark Weinswig</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">350 Treat Avenue</street1>
  <city xmlns="http://www.sec.gov/edgar/common">San Francisco</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">CA</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">94110</zipCode>
  </address>
  </sellerDetails>
  <securitiesClassTitle>Common Stock</securitiesClassTitle>
  <saleDate>11/20/2024</saleDate>
  <amountOfSecuritiesSold>4460</amountOfSecuritiesSold>
  <grossProceeds>39749.75</grossProceeds>
  </securitiesSoldInPast3Months>
  <remarks>Shares to be sold to cover withholding taxes upon vesting of restricted stock award in a trade that will be initiated by the Issuer on the Reporting Person's behalf.</remarks>
  <noticeSignature>
  <noticeDate>11/29/2024</noticeDate>
  <signature>/s/ Mark Weinswig</signature>
  </noticeSignature>
  </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 5913}]
text: 144
  0001265677
  XXXXXXXX
  LIVE
  0001816581
  Ouster, Inc.
  001-39463
  350 Treat Avenue
  San Francisco
  CA
  94110
  415-949-0108
  Mark Weinswig
  Officer
  Common Stock
  ETRADE FINANCIAL CORPORATION
  3 EDISON DRIVE
  ALPHARETTA
  GA
  30005
  590
  5522.4
  50866423
  11/29/2024
  NYSE
  Common Stock
  11/28/2024
  Restricted stock awarded under incentive award plan
  Issuer
  N
  1438
  02/10/2023
  Services rendered
  N
  Mark Weinswig
  350 Treat Avenue
  San Francisco
  CA
  94110
  Common Stock
  08/29/2024
  519
  3814.65
  Mark Weinswig
  350 Treat Avenue
  San Francisco
  CA
  94110
  Common Stock
  09/12/2024
  2540
  15654.78
  Mark Weinswig
  350 Treat Avenue
  San Francisco
  CA
  94110
  Common Stock
  11/20/2024
  24220
  211353.41
  Mark Weinswig
  350 Treat Avenue
  San Francisco
  CA
  94110
  Common Stock
  11/20/2024
  7177
  62554.01
  Mark Weinswig
  350 Treat Avenue
  San Francisco
  CA
  94110
  Common Stock
  11/20/2024
  4460
  39749.75
  Shares to be sold to cover withholding taxes upon vesting of restricted stock award in a trade that will be initiated by the Issuer on the Reporting Person's behalf.
  11/29/2024
  /s/ Mark Weinswig