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

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-07-02</periodOfReport>

    <notSubjectToSection16>true</notSubjectToSection16>

    <issuer>
        <issuerCik>0001850266</issuerCik>
        <issuerName>Akili, Inc.</issuerName>
        <issuerTradingSymbol>AKLI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001930654</rptOwnerCik>
            <rptOwnerName>Martucci Walter Edward II</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AKILI, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>71 COMMERCIAL ST, MAILBOX 312</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02109</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.0001</value>
            </securityTitle>
            <transactionDate>
                <value>2024-07-02</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>U</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>48690.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>99548.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.0001</value>
            </securityTitle>
            <transactionDate>
                <value>2024-07-02</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>99548.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Reflects disposition of shares of common stock (each, a &quot;Share&quot;) of the Issuer at a price per Share of $0.4340 (the &quot;Offer Price&quot;) pursuant to the terms of that certain Agreement and Plan of Merger (the &quot;Merger Agreement&quot;), dated as of May 29, 2024, by and among the Issuer, Virtual Therapeutics Corporation, a Delaware corporation (&quot;Parent&quot;) and Alpha Merger Sub, Inc., a Delaware corporation and a wholly-owned subsidiary of Parent (&quot;Purchaser&quot;), Purchaser completed a tender offer for shares of common stock of the Issuer and thereafter merged with and into the Issuer, effective as of July 2, 2024 (the &quot;Effective Time&quot;) with the Issuer surviving the merger.  As of the Effective Time, each Share held by the Reporting Person or his affiliates was converted into the Offer Price.</footnote>
        <footnote id="F2">Each Issuer restricted stock unit (&quot;Issuer RSU&quot;) represents a contingent right to receive one Share.</footnote>
        <footnote id="F3">Reflects disposition of time-based Issuer RSUs pursuant to the terms of the Merger Agreement. Each outstanding Issuer RSU that was outstanding and unvested immediately prior to the Effective Time vested in full. At the Effective Time, each Issuer RSU then outstanding was cancelled and converted into the right to receive a cash payment without interest, less any applicable tax withholding, equal to the Offer Price, all upon the terms and subject to the conditions as set forth in the Offer to Purchase, as amended, and in the related Letter of Transmittal.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jacqueline Studer, attorney-in-fact</signatureName>
        <signatureDate>2024-07-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
