A curable fluoropolyether-based gel composition consisting of 100 parts by weight of a linear polyfluoro compound containing at least two alkenyl groups per molecule and having a perfluoropolyether structure in the backbone, 1 to 300 parts by weight of a polyfluoromonoalkenyl compound containing one alkenyl group per molecule and having a perfluoropolyether structure in the backbone, a fluorinated organohydrogensiloxane having at least two silicon-bonded hydrogen atoms (i.e., SiH groups) and at least one monovalent perfluoroalkyl, monovalent perfluorooxyalkyl, divalent perfluoroalkylene or divalent perfluorooxyalkylene which is linked with the silicon atoms through a divalent linkage selected from among the following groups: -CH 2 CH 2 -, -CH 2 CH 2 CH 2 -, - CH 2 CH 2 CH 2 OCH 2 -, -CH 2 CH 2 CH 2 -NH-CO-, -CH 2 CH2CH 2 -N (Ph) -CO-, -CH 2 CH 2 CH 2 -N(CH 3)-CO-, -CH 2 CH 2 CH 2 -N (CH 2 CH 2)-CO-, -CH 2 CH 2 -Si (CH 3) 2 -Ph'-N(CH 3)-CO-, -CH 2 CH 2 CH 2 -Si(CH 3) 2 -Ph'-N(CH 3)-CO-, and -CH 2 CH 2 CH 2 -O-CO-, per molecule, in an amount to provide 0.5 to 3.0 moles of SiH groups per mole of alkenyl groups in components and, a platinum group metal-based hydrosilylation catalyst in an amount to provide 0.1 to 500 ppm of platinum group metal, 0.05 to 3.0 parts by weight of a fluorinated acetylene alcohol, and 0 to 150 parts by weight per 100 parts by weight of components and combined of at least one perfluoropolyether compound selected from compounds having the general formulae to: A-O-(CF 2 CF 2 CF 2 O) a -A wherein A is a group of the formula: C b F 2b+1 -, a is an integer of 1 to 500, and b is an integer of 1 to 3, A-O-(CF 2 O) c -(CF 2 CF 2 O) d -A wherein A is as defined above, c and d each are an integer of 1 to 300, wherein A is as defined above, e and f each are an integer of 1 to 300, wherein the fluorinated acetylene alcohol has the general formula or: wherein Rf 2 is a perfluoroalkyl group of 3 to 100 carbon atoms, which may be separated by an ether bond and which may be branched, Q is a divalent hydrocarbon group of 1 to 6 carbon atoms, R 3, R 4 and R 5 are each independently an alkyl group of 1 to 4 carbon atoms, and Z is a divalent organic group of 1 to 20 carbon atoms. 100 parts by weight of a linear polyfluoro compound containing at least two alkenyl groups per molecule and having a perfluoropolyether structure in the backbone, 1 to 300 parts by weight of a polyfluoromonoalkenyl compound containing one alkenyl group per molecule and having a perfluoropolyether structure in the backbone, a fluorinated organohydrogensiloxane having at least two silicon-bonded hydrogen atoms (i.e., SiH groups) and at least one monovalent perfluoroalkyl, monovalent perfluorooxyalkyl, divalent perfluoroalkylene or divalent perfluorooxyalkylene which is linked with the silicon atoms through a divalent linkage selected from among the following groups: -CH 2 CH 2 -, -CH 2 CH 2 CH 2 -, - CH 2 CH 2 CH 2 OCH 2 -, -CH 2 CH 2 CH 2 -NH-CO-, -CH 2 CH2CH 2 -N (Ph) -CO-, -CH 2 CH 2 CH 2 -N(CH 3)-CO-, -CH 2 CH 2 CH 2 -N (CH 2 CH 2)-CO-, -CH 2 CH 2 -Si (CH 3) 2 -Ph'-N(CH 3)-CO-, -CH 2 CH 2 CH 2 -Si(CH 3) 2 -Ph'-N(CH 3)-CO-, and -CH 2 CH 2 CH 2 -O-CO-, per molecule, in an amount to provide 0.5 to 3.0 moles of SiH groups per mole of alkenyl groups in components and, a platinum group metal-based hydrosilylation catalyst in an amount to provide 0.1 to 500 ppm of platinum group metal, 0.05 to 3.0 parts by weight of a fluorinated acetylene alcohol, and 0 to 150 parts by weight per 100 parts by weight of components and combined of at least one perfluoropolyether compound selected from compounds having the general formulae to: A-O-(CF 2 CF 2 CF 2 O) a -A wherein A is a group of the formula: C b F 2b+1 -, a is an integer of 1 to 500, and b is an integer of 1 to 3, A-O-(CF 2 O) c -(CF 2 CF 2 O) d -A wherein A is as defined above, c and d each are an integer of 1 to 300, wherein A is as defined above, e and f each are an integer of 1 to 300, wherein the fluorinated acetylene alcohol has the general formula or: wherein Rf 2 is a perfluoroalkyl group of 3 to 100 carbon atoms, which may be separated by an ether bond and which may be branched, Q is a divalent hydrocarbon group of 1 to 6 carbon atoms, R 3, R 4 and R 5 are each independently an alkyl group of 1 to 4 carbon atoms, and Z is a divalent organic group of 1 to 20 carbon atoms.