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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 RIwe0fZVTQ744UY/jJqOsAnRHo1VIljKjrVlRUkq3MSFbZGLUHbnhprFywh7Gyws
 Aor0uooJ9cu34mUrPdr2mg==

<SEC-DOCUMENT>0001104659-10-007623.txt : 20100217
<SEC-HEADER>0001104659-10-007623.hdr.sgml : 20100217
<ACCEPTANCE-DATETIME>20100217170721
ACCESSION NUMBER:		0001104659-10-007623
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100212
FILED AS OF DATE:		20100217
DATE AS OF CHANGE:		20100217

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DELL ADAM R
		CENTRAL INDEX KEY:			0001239229

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34357
		FILM NUMBER:		10613562

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OPENTABLE INC
		CENTRAL INDEX KEY:			0001125914
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		IRS NUMBER:				943374049
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		799 MARKET STREET
		STREET 2:		FOURTH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94103
		BUSINESS PHONE:		(415) 344-4200

	MAIL ADDRESS:	
		STREET 1:		799 MARKET STREET
		STREET 2:		FOURTH FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94103
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-02-12</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001125914</issuerCik>
        <issuerName>OPENTABLE INC</issuerName>
        <issuerTradingSymbol>OPEN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001239229</rptOwnerCik>
            <rptOwnerName>DELL ADAM R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2705 WESTLAKE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>AUSTIN</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>78746</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $0.0001 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2010-02-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>197684</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>30.95</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>112314</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $30.30 to $31.38, inclusive.</footnote>
        <footnote id="F2">Adam R. Dell, the sole managing member of Impact Venture Advisors, LLC (&quot;IVA&quot;), may be deemed to have sole voting and dispositive power over the Common Stock reported in column 4 of Table I that may be deemed beneficially held by IVA.  Mr. Dell disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Adam R. Dell</signatureName>
        <signatureDate>2010-02-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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