<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0407</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-04-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001832415</issuerCik>
        <issuerName>Better Therapeutics, Inc.</issuerName>
        <issuerTradingSymbol>BTTX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001105941</rptOwnerCik>
            <rptOwnerName>PERRY DAVID P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BETTER THERAPEUTICS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>548 MARKET STREET, #49404</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94104</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>See Remarks</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001890678</rptOwnerCik>
            <rptOwnerName>David P. Perry 2015 Trust</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BETTER THERAPEUTICS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>548 MARKET STREET, #49404</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94104</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-04-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1333333</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.825</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11797348</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Perry Trust</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-04-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
                <footnoteId id="F4"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3636364</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.825</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3636364</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Maule-Ffinch Trust</value>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>293150</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By spouse</value>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21336</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Pensus Limited Trust</value>
                    <footnoteId id="F7"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>101536</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On April 6, 2023, the Issuer entered into a Securities Purchase Agreement with certain investors (the &quot;PIPE Investors&quot;) in a private placement offering, pursuant to which the PIPE Investors agreed to purchase shares of Issuer common stock for $0.825 per share.</footnote>
        <footnote id="F2">As one of the PIPE Investors, the David P. Perry 2015 Trust (the &quot;Perry Trust&quot;) acquired 1,333,333 shares of Issuer common stock on April 10, 2023 for $0.825 per share.</footnote>
        <footnote id="F3">These shares are owned directly by the Perry Trust, a ten percent owner of the Issuer, and indirectly by David P. Perry (&quot;Perry&quot;) as trustee of the Perry Trust. Perry is an officer, director and ten percent owner of the Issuer.</footnote>
        <footnote id="F4">As one of the PIPE Investors, the Georgianna Maule-Ffinch 2015 Trust (the &quot;Maule-Ffinch Trust&quot;) acquired 3,636,364 shares of Issuer common stock on April 10, 2023 for $0.825 per share.</footnote>
        <footnote id="F5">These shares are owned directly by the Maule-Ffinch Trust, a ten percent owner of the Issuer, and indirectly by Perry's spouse, Georgianna Maule-Ffinch (&quot;Maule-Ffinch&quot;), as the sole trustee of the Maule-Ffinch Trust, for the benefit of Maule-Ffinch and her children. Perry disclaims beneficial ownership of these securities, and the filing of this Form 4 is not an admission that Perry is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.</footnote>
        <footnote id="F6">These shares are owned directly by Maule-Ffinch.</footnote>
        <footnote id="F7">These shares are owned directly by Donald R. Leo, Trustee of Pensus Limited Trust dated 06/12/2010 FBO Georgianna Maule-Ffinch (the &quot;Pensus Limited Trust&quot;) for the benefit of Maule-Ffinch. Perry disclaims beneficial ownership of these securities, and the filing of this Form 4 is not an admission that Perry is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.</footnote>
    </footnotes>

    <remarks>Executive Chairman of the Board of Directors</remarks>

    <ownerSignature>
        <signatureName>/s/ Mark Heinen, Attorney-in-Fact for David P. Perry</signatureName>
        <signatureDate>2023-04-12</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Mark Heinen, Attorney-in-Fact for David P. Perry 2015 Trust</signatureName>
        <signatureDate>2023-04-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
