Reasoning Model (deepseek-reasoner) | DeepSeek API Docs

August 27, 2025

deepseek-reasoner is a reasoning model developed by DeepSeek. Before delivering the final answer, the model first generates a Chain of Thought (CoT) to enhance the accuracy of its responses.

https://api-docs.deepseek.com/guides/reasoning_model

Reasoning Model (deepseek-reasoner) | DeepSeek API Docs <body> <h1> Array ( [0] => eeasoning model (deepseek-reasoner) | deepseek api docs [1] => deasoning model (deepseek-reasoner) | deepseek api docs [2] => feasoning model (deepseek-reasoner) | deepseek api docs [3] => teasoning model (deepseek-reasoner) | deepseek api docs [4] => 5easoning model (deepseek-reasoner) | deepseek api docs [5] => 4easoning model (deepseek-reasoner) | deepseek api docs [6] => rwasoning model (deepseek-reasoner) | deepseek api docs [7] => rsasoning model (deepseek-reasoner) | deepseek api docs [8] => rdasoning model (deepseek-reasoner) | deepseek api docs [9] => rrasoning model (deepseek-reasoner) | deepseek api docs [10] => r4asoning model (deepseek-reasoner) | deepseek api docs [11] => r3asoning model (deepseek-reasoner) | deepseek api docs [12] => rezsoning model (deepseek-reasoner) | deepseek api docs [13] => ressoning model (deepseek-reasoner) | deepseek api docs [14] => rewsoning model (deepseek-reasoner) | deepseek api docs [15] => reqsoning model (deepseek-reasoner) | deepseek api docs [16] => reaaoning model (deepseek-reasoner) | deepseek api docs [17] => reazoning model (deepseek-reasoner) | deepseek api docs [18] => reaxoning model (deepseek-reasoner) | deepseek api docs [19] => readoning model (deepseek-reasoner) | deepseek api docs [20] => reaeoning model (deepseek-reasoner) | deepseek api docs [21] => reawoning model (deepseek-reasoner) | deepseek api docs [22] => reasining model (deepseek-reasoner) | deepseek api docs [23] => reaskning model (deepseek-reasoner) | deepseek api docs [24] => reaslning model (deepseek-reasoner) | deepseek api docs [25] => reaspning model (deepseek-reasoner) | deepseek api docs [26] => reas0ning model (deepseek-reasoner) | deepseek api docs [27] => reas9ning model (deepseek-reasoner) | deepseek api docs [28] => reasobing model (deepseek-reasoner) | deepseek api docs [29] => reasoming model (deepseek-reasoner) | deepseek api docs [30] => reasojing model (deepseek-reasoner) | deepseek api docs [31] => reasohing model (deepseek-reasoner) | deepseek api docs [32] => reasonung model (deepseek-reasoner) | deepseek api docs [33] => reasonjng model (deepseek-reasoner) | deepseek api docs [34] => reasonkng model (deepseek-reasoner) | deepseek api docs [35] => reasonong model (deepseek-reasoner) | deepseek api docs [36] => reason9ng model (deepseek-reasoner) | deepseek api docs [37] => reason8ng model (deepseek-reasoner) | deepseek api docs [38] => reasonibg model (deepseek-reasoner) | deepseek api docs [39] => reasonimg model (deepseek-reasoner) | deepseek api docs [40] => reasonijg model (deepseek-reasoner) | deepseek api docs [41] => reasonihg model (deepseek-reasoner) | deepseek api docs [42] => reasoninf model (deepseek-reasoner) | deepseek api docs [43] => reasoninv model (deepseek-reasoner) | deepseek api docs [44] => reasoninb model (deepseek-reasoner) | deepseek api docs [45] => reasoninh model (deepseek-reasoner) | deepseek api docs [46] => reasoniny model (deepseek-reasoner) | deepseek api docs [47] => reasonint model (deepseek-reasoner) | deepseek api docs [48] => reasoning nodel (deepseek-reasoner) | deepseek api docs [49] => reasoning kodel (deepseek-reasoner) | deepseek api docs [50] => reasoning jodel (deepseek-reasoner) | deepseek api docs [51] => reasoning midel (deepseek-reasoner) | deepseek api docs [52] => reasoning mkdel (deepseek-reasoner) | deepseek api docs [53] => reasoning mldel (deepseek-reasoner) | deepseek api docs [54] => reasoning mpdel (deepseek-reasoner) | deepseek api docs [55] => reasoning m0del (deepseek-reasoner) | deepseek api docs [56] => reasoning m9del (deepseek-reasoner) | deepseek api docs [57] => reasoning mosel (deepseek-reasoner) | deepseek api docs [58] => reasoning moxel (deepseek-reasoner) | deepseek api docs [59] => reasoning mocel (deepseek-reasoner) | deepseek api docs [60] => reasoning mofel (deepseek-reasoner) | deepseek api docs [61] => reasoning morel (deepseek-reasoner) | deepseek api docs [62] => reasoning moeel (deepseek-reasoner) | deepseek api docs [63] => reasoning modwl (deepseek-reasoner) | deepseek api docs [64] => reasoning modsl (deepseek-reasoner) | deepseek api docs [65] => reasoning moddl (deepseek-reasoner) | deepseek api docs [66] => reasoning modrl (deepseek-reasoner) | deepseek api docs [67] => reasoning mod4l (deepseek-reasoner) | deepseek api docs [68] => reasoning mod3l (deepseek-reasoner) | deepseek api docs [69] => reasoning modek (deepseek-reasoner) | deepseek api docs [70] => reasoning modep (deepseek-reasoner) | deepseek api docs [71] => reasoning modeo (deepseek-reasoner) | deepseek api docs [72] => reasoning model (seepseek-reasoner) | deepseek api docs [73] => reasoning model (xeepseek-reasoner) | deepseek api docs [74] => reasoning model (ceepseek-reasoner) | deepseek api docs [75] => reasoning model (feepseek-reasoner) | deepseek api docs [76] => reasoning model (reepseek-reasoner) | deepseek api docs [77] => reasoning model (eeepseek-reasoner) | deepseek api docs [78] => reasoning model (dwepseek-reasoner) | deepseek api docs [79] => reasoning model (dsepseek-reasoner) | deepseek api docs [80] => reasoning model (ddepseek-reasoner) | deepseek api docs [81] => reasoning model (drepseek-reasoner) | deepseek api docs [82] => reasoning model (d4epseek-reasoner) | deepseek api docs [83] => reasoning model (d3epseek-reasoner) | deepseek api docs [84] => reasoning model (dewpseek-reasoner) | deepseek api docs [85] => reasoning model (despseek-reasoner) | deepseek api docs [86] => reasoning model (dedpseek-reasoner) | deepseek api docs [87] => reasoning model (derpseek-reasoner) | deepseek api docs [88] => reasoning model (de4pseek-reasoner) | deepseek api docs [89] => reasoning model (de3pseek-reasoner) | deepseek api docs [90] => reasoning model (deeoseek-reasoner) | deepseek api docs [91] => reasoning model (deelseek-reasoner) | deepseek api docs [92] => reasoning model (dee-seek-reasoner) | deepseek api docs [93] => reasoning model (dee0seek-reasoner) | deepseek api docs [94] => reasoning model (deepaeek-reasoner) | deepseek api docs [95] => reasoning model (deepzeek-reasoner) | deepseek api docs [96] => reasoning model (deepxeek-reasoner) | deepseek api docs [97] => reasoning model (deepdeek-reasoner) | deepseek api docs [98] => reasoning model (deepeeek-reasoner) | deepseek api docs [99] => reasoning model (deepweek-reasoner) | deepseek api docs [100] => reasoning model (deepswek-reasoner) | deepseek api docs [101] => reasoning model (deepssek-reasoner) | deepseek api docs [102] => reasoning model (deepsdek-reasoner) | deepseek api docs [103] => reasoning model (deepsrek-reasoner) | deepseek api docs [104] => reasoning model (deeps4ek-reasoner) | deepseek api docs [105] => reasoning model (deeps3ek-reasoner) | deepseek api docs [106] => reasoning model (deepsewk-reasoner) | deepseek api docs [107] => reasoning model (deepsesk-reasoner) | deepseek api docs [108] => reasoning model (deepsedk-reasoner) | deepseek api docs [109] => reasoning model (deepserk-reasoner) | deepseek api docs [110] => reasoning model (deepse4k-reasoner) | deepseek api docs [111] => reasoning model (deepse3k-reasoner) | deepseek api docs [112] => reasoning model (deepseej-reasoner) | deepseek api docs [113] => reasoning model (deepseem-reasoner) | deepseek api docs [114] => reasoning model (deepseel-reasoner) | deepseek api docs [115] => reasoning model (deepseeo-reasoner) | deepseek api docs [116] => reasoning model (deepseei-reasoner) | deepseek api docs [117] => reasoning model (deepseek0reasoner) | deepseek api docs [118] => reasoning model (deepseekpreasoner) | deepseek api docs [119] => reasoning model (deepseek-eeasoner) | deepseek api docs [120] => reasoning model (deepseek-deasoner) | deepseek api docs [121] => reasoning model (deepseek-feasoner) | deepseek api docs [122] => reasoning model (deepseek-teasoner) | deepseek api docs [123] => reasoning model (deepseek-5easoner) | deepseek api docs [124] => reasoning model (deepseek-4easoner) | deepseek api docs [125] => reasoning model (deepseek-rwasoner) | deepseek api docs [126] => reasoning model (deepseek-rsasoner) | deepseek api docs [127] => reasoning model (deepseek-rdasoner) | deepseek api docs [128] => reasoning model (deepseek-rrasoner) | deepseek api docs [129] => reasoning model (deepseek-r4asoner) | deepseek api docs [130] => reasoning model (deepseek-r3asoner) | deepseek api docs [131] => reasoning model (deepseek-rezsoner) | deepseek api docs [132] => reasoning model (deepseek-ressoner) | deepseek api docs [133] => reasoning model (deepseek-rewsoner) | deepseek api docs [134] => reasoning model (deepseek-reqsoner) | deepseek api docs [135] => reasoning model (deepseek-reaaoner) | deepseek api docs [136] => reasoning model (deepseek-reazoner) | deepseek api docs [137] => reasoning model (deepseek-reaxoner) | deepseek api docs [138] => reasoning model (deepseek-readoner) | deepseek api docs [139] => reasoning model (deepseek-reaeoner) | deepseek api docs [140] => reasoning model (deepseek-reawoner) | deepseek api docs [141] => reasoning model (deepseek-reasiner) | deepseek api docs [142] => reasoning model (deepseek-reaskner) | deepseek api docs [143] => reasoning model (deepseek-reaslner) | deepseek api docs [144] => reasoning model (deepseek-reaspner) | deepseek api docs [145] => reasoning model (deepseek-reas0ner) | deepseek api docs [146] => reasoning model (deepseek-reas9ner) | deepseek api docs [147] => reasoning model (deepseek-reasober) | deepseek api docs [148] => reasoning model (deepseek-reasomer) | deepseek api docs [149] => reasoning model (deepseek-reasojer) | deepseek api docs [150] => reasoning model (deepseek-reasoher) | deepseek api docs [151] => reasoning model (deepseek-reasonwr) | deepseek api docs [152] => reasoning model (deepseek-reasonsr) | deepseek api docs [153] => reasoning model (deepseek-reasondr) | deepseek api docs [154] => reasoning model (deepseek-reasonrr) | deepseek api docs [155] => reasoning model (deepseek-reason4r) | deepseek api docs [156] => reasoning model (deepseek-reason3r) | deepseek api docs [157] => reasoning model (deepseek-reasonee) | deepseek api docs [158] => reasoning model (deepseek-reasoned) | deepseek api docs [159] => reasoning model (deepseek-reasonef) | deepseek api docs [160] => reasoning model (deepseek-reasonet) | deepseek api docs [161] => reasoning model (deepseek-reasone5) | deepseek api docs [162] => reasoning model (deepseek-reasone4) | deepseek api docs [163] => reasoning model (deepseek-reasoner) | seepseek api docs [164] => reasoning model (deepseek-reasoner) | xeepseek api docs [165] => reasoning model (deepseek-reasoner) | ceepseek api docs [166] => reasoning model (deepseek-reasoner) | feepseek api docs [167] => reasoning model (deepseek-reasoner) | reepseek api docs [168] => reasoning model (deepseek-reasoner) | eeepseek api docs [169] => reasoning model (deepseek-reasoner) | dwepseek api docs [170] => reasoning model (deepseek-reasoner) | dsepseek api docs [171] => reasoning model (deepseek-reasoner) | ddepseek api docs [172] => reasoning model (deepseek-reasoner) | drepseek api docs [173] => reasoning model (deepseek-reasoner) | d4epseek api docs [174] => reasoning model (deepseek-reasoner) | d3epseek api docs [175] => reasoning model (deepseek-reasoner) | dewpseek api docs [176] => reasoning model (deepseek-reasoner) | despseek api docs [177] => reasoning model (deepseek-reasoner) | dedpseek api docs [178] => reasoning model (deepseek-reasoner) | derpseek api docs [179] => reasoning model (deepseek-reasoner) | de4pseek api docs [180] => reasoning model (deepseek-reasoner) | de3pseek api docs [181] => reasoning model (deepseek-reasoner) | deeoseek api docs [182] => reasoning model (deepseek-reasoner) | deelseek api docs [183] => reasoning model (deepseek-reasoner) | dee-seek api docs [184] => reasoning model (deepseek-reasoner) | dee0seek api docs [185] => reasoning model (deepseek-reasoner) | deepaeek api docs [186] => reasoning model (deepseek-reasoner) | deepzeek api docs [187] => reasoning model (deepseek-reasoner) | deepxeek api docs [188] => reasoning model (deepseek-reasoner) | deepdeek api docs [189] => reasoning model (deepseek-reasoner) | deepeeek api docs [190] => reasoning model (deepseek-reasoner) | deepweek api docs [191] => reasoning model (deepseek-reasoner) | deepswek api docs [192] => reasoning model (deepseek-reasoner) | deepssek api docs [193] => reasoning model (deepseek-reasoner) | deepsdek api docs [194] => reasoning model (deepseek-reasoner) | deepsrek api docs [195] => reasoning model (deepseek-reasoner) | deeps4ek api docs [196] => reasoning model (deepseek-reasoner) | deeps3ek api docs [197] => reasoning model (deepseek-reasoner) | deepsewk api docs [198] => reasoning model (deepseek-reasoner) | deepsesk api docs [199] => reasoning model (deepseek-reasoner) | deepsedk api docs [200] => reasoning model (deepseek-reasoner) | deepserk api docs [201] => reasoning model (deepseek-reasoner) | deepse4k api docs [202] => reasoning model (deepseek-reasoner) | deepse3k api docs [203] => reasoning model (deepseek-reasoner) | deepseej api docs [204] => reasoning model (deepseek-reasoner) | deepseem api docs [205] => reasoning model (deepseek-reasoner) | deepseel api docs [206] => reasoning model (deepseek-reasoner) | deepseeo api docs [207] => reasoning model (deepseek-reasoner) | deepseei api docs [208] => reasoning model (deepseek-reasoner) | deepseek zpi docs [209] => reasoning model (deepseek-reasoner) | deepseek spi docs [210] => reasoning model (deepseek-reasoner) | deepseek wpi docs [211] => reasoning model (deepseek-reasoner) | deepseek qpi docs [212] => reasoning model (deepseek-reasoner) | deepseek aoi docs [213] => reasoning model (deepseek-reasoner) | deepseek ali docs [214] => reasoning model (deepseek-reasoner) | deepseek a-i docs [215] => reasoning model (deepseek-reasoner) | deepseek a0i docs [216] => reasoning model (deepseek-reasoner) | deepseek apu docs [217] => reasoning model (deepseek-reasoner) | deepseek apj docs [218] => reasoning model (deepseek-reasoner) | deepseek apk docs [219] => reasoning model (deepseek-reasoner) | deepseek apo docs [220] => reasoning model (deepseek-reasoner) | deepseek ap9 docs [221] => reasoning model (deepseek-reasoner) | deepseek ap8 docs [222] => reasoning model (deepseek-reasoner) | deepseek api socs [223] => reasoning model (deepseek-reasoner) | deepseek api xocs [224] => reasoning model (deepseek-reasoner) | deepseek api cocs [225] => reasoning model (deepseek-reasoner) | deepseek api focs [226] => reasoning model (deepseek-reasoner) | deepseek api rocs [227] => reasoning model (deepseek-reasoner) | deepseek api eocs [228] => reasoning model (deepseek-reasoner) | deepseek api dics [229] => reasoning model (deepseek-reasoner) | deepseek api dkcs [230] => reasoning model (deepseek-reasoner) | deepseek api dlcs [231] => reasoning model (deepseek-reasoner) | deepseek api dpcs [232] => reasoning model (deepseek-reasoner) | deepseek api d0cs [233] => reasoning model (deepseek-reasoner) | deepseek api d9cs [234] => reasoning model (deepseek-reasoner) | deepseek api doxs [235] => reasoning model (deepseek-reasoner) | deepseek api dovs [236] => reasoning model (deepseek-reasoner) | deepseek api dofs [237] => reasoning model (deepseek-reasoner) | deepseek api dods [238] => reasoning model (deepseek-reasoner) | deepseek api doca [239] => reasoning model (deepseek-reasoner) | deepseek api docz [240] => reasoning model (deepseek-reasoner) | deepseek api docx [241] => reasoning model (deepseek-reasoner) | deepseek api docd [242] => reasoning model (deepseek-reasoner) | deepseek api doce [243] => reasoning model (deepseek-reasoner) | deepseek api docw ) https://clipperroutesevere.com/kdjbw4ywu?key=a54852e5dee5f9fa314d768d692142d1 </h1> </body>