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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Gdp3kTrYpAsn7W/I83w1YmgeSEb3Eq2at3BWhxKnJGnB1vocVrphHal1+cqU6MDk
 xU9/oPibGhe7B0l4mu4LCw==

<SEC-DOCUMENT>0001104659-10-009059.txt : 20100224
<SEC-HEADER>0001104659-10-009059.hdr.sgml : 20100224
<ACCEPTANCE-DATETIME>20100224115747
ACCESSION NUMBER:		0001104659-10-009059
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100222
FILED AS OF DATE:		20100224
DATE AS OF CHANGE:		20100224

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GSI COMMERCE INC
		CENTRAL INDEX KEY:			0000828750
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-CATALOG & MAIL-ORDER HOUSES [5961]
		IRS NUMBER:				042958132
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		935 FIRST AVE
		CITY:			KING OF PRUSSIA
		STATE:			PA
		ZIP:			19406
		BUSINESS PHONE:		6104917000

	MAIL ADDRESS:	
		STREET 1:		935 FIRST AVE
		CITY:			KING OF PRUSSIA
		STATE:			PA
		ZIP:			19406

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GLOBAL SPORTS INC
		DATE OF NAME CHANGE:	19971223

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LIBERTY MEDIA CORP
		CENTRAL INDEX KEY:			0001355096
		STANDARD INDUSTRIAL CLASSIFICATION:	CABLE & OTHER PAY TELEVISION SERVICES [4841]
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-16611
		FILM NUMBER:		10628827

	BUSINESS ADDRESS:	
		STREET 1:		12300 LIBERTY BOULEVARD
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80112
		BUSINESS PHONE:		7208755400

	MAIL ADDRESS:	
		STREET 1:		12300 LIBERTY BOULEVARD
		CITY:			ENGLEWOOD
		STATE:			CO
		ZIP:			80112

	FORMER NAME:	
		FORMER CONFORMED NAME:	Liberty Media Holding CORP
		DATE OF NAME CHANGE:	20060303
</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>2010-02-22</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000828750</issuerCik>
        <issuerName>GSI COMMERCE INC</issuerName>
        <issuerTradingSymbol>GSIC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001355096</rptOwnerCik>
            <rptOwnerName>LIBERTY MEDIA CORP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>12300 LIBERTY BOULEVARD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ENGLEWOOD</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80112</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-02-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>9248968</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>23.84</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By subsidiary</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The securities beneficially owned by the Reporting Person were owned of record by its indirect wholly owned subsidiary, QK Holdings, Inc.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Charles Y. Tanabe, Executive Vice President and General Counsel</signatureName>
        <signatureDate>2010-02-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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