YC startup launches on X

221 launches, median 172K views. Every one is a company in this group announcing something on X, with what it earned attached, read against the 1981 launches we measure overall.

221 launches · 2026-03-21 to 2026-10-17 · engagement read from X

← Every launch 1981

172K
Median views, against 688K across every launch
0.3x
This group's median as a multiple of the overall median
24
Of 221 launches passed a million views
257
Reposts per million views, against 220 overall. How many put their name to it.

Biggest from small accounts

See them all →

Every launch

  1. Lumeria launch postLumeria: 3.3M views on X, 2026-08-13
  2. Drafted launch postDrafted: 3.2M views on X, 2026-07-10
  3. Olio Labs launch postOlio Labs: 3.1M views on X, 2026-08-05
  4. Firecrawl launch postFirecrawl: 2.7M views on X, 2026-07-31
  5. terminal-code launch postterminal-code: 2.6M views on X, 2026-08-19
  6. OpenCode: 2.6M views on X, 2026-09-16
  7. Firecrawl launch postFirecrawl: 2.5M views on X, 2026-08-04
  8. Parasma: 2.3M views on X, 2026-08-13
  9. Pocket launch postPocket: 2.2M views on X, 2026-08-19
  10. Circleback launch postCircleback: 2.1M views on X, 2026-07-28
  11. Lemma launch postLemma: 2M views on X, 2026-08-13
  12. Icon launch postIcon: 1.7M views on X, 2026-08-25
  13. David Miller launch postDavid Miller: 1.5M views on X, 2026-10-04
  14. Insta Cloud launch postInsta Cloud: 1.4M views on X, 2026-09-29
  15. Pocket launch postPocket: 1.4M views on X, 2026-07-15
  16. Clueso launch postClueso: 1.3M views on X, 2026-10-13
  17. Cua launch postCua: 1.3M views on X, 2026-09-18
  18. Carl Peterson launch postCarl Peterson: 1.3M views on X, 2026-08-19
  19. Kalshi launch postKalshi: 1.3M views on X, 2026-07-14
  20. Meteoric launch postMeteoric: 1.2M views on X, 2026-08-21
  21. Hop Aero launch postHop Aero: 1.2M views on X, 2026-07-28
  22. Oki launch postOki: 1.1M views on X, 2026-10-06
  23. Lamina Labs launch postLamina Labs: 1.1M views on X, 2026-07-30
  24. Standout launch postStandout: 1.1M views on X, 2026-05-07
  25. Omanta Health launch postOmanta Health: 999K views on X, 2026-08-04
  26. Theo launch postTheo: 886K views on X, 2026-10-07
  27. Armature launch postArmature: 872K views on X, 2026-07-29
  28. Vernius Systems launch postVernius Systems: 833K views on X, 2026-08-24
  29. Poetiq launch postPoetiq: 830K views on X, 2026-07-15
  30. Databuddy launch postDatabuddy: 796K views on X, 2026-10-08
  31. River AI: 779K views on X, 2026-08-11
  32. F2 launch postF2: 753K views on X, 2026-06-10
  33. Agnost AI launch postAgnost AI: 696K views on X, 2026-08-20
  34. Cosmic Robotics launch postCosmic Robotics: 695K views on X, 2026-08-19
  35. Antonio Li launch postAntonio Li: 631K views on X, 2026-08-18
  36. OpenCode launch postOpenCode: 626K views on X, 2026-07-14
  37. Chronicle Labs launch postChronicle Labs: 619K views on X, 2026-05-05
  38. InsForge launch postInsForge: 604K views on X, 2026-06-05
  39. Induction Labs launch postInduction Labs: 592K views on X, 2026-07-23
  40. Scape launch postScape: 585K views on X, 2026-07-23
  41. terminal-code launch postterminal-code: 562K views on X, 2026-07-30
  42. HeroUI launch postHeroUI: 547K views on X, 2026-03-21
  43. Sila launch postSila: 546K views on X, 2026-09-23
  44. GitCafe launch postGitCafe: 527K views on X, 2026-08-11
  45. HUMAN BEHAVIOR launch postHUMAN BEHAVIOR: 522K views on X, 2026-08-10
  46. konstantinpaulus launch postkonstantinpaulus: 510K views on X, 2026-08-28
  47. Caution launch postCaution: 494K views on X, 2026-08-04
  48. Freya launch postFreya: 490K views on X, 2026-09-21
  49. Starcloud launch postStarcloud: 488K views on X, 2026-08-21
  50. Cua launch postCua: 487K views on X, 2026-10-02
  51. Liquid Compute launch postLiquid Compute: 478K views on X, 2026-09-15
  52. Roma launch postRoma: 460K views on X, 2026-10-06
  53. Discovered Materials launch postDiscovered Materials: 456K views on X, 2026-08-10
  54. Standard Machines: 432K views on X, 2026-08-05
  55. OpenAI launch postOpenAI: 418K views on X, 2026-09-18
  56. naïve launch postnaïve: 409K views on X, 2026-08-24
  57. Billow launch postBillow: 403K views on X, 2026-08-13
  58. Magnitude launch postMagnitude: 398K views on X, 2026-08-07
  59. Nox Metals launch postNox Metals: 394K views on X, 2026-09-01
  60. Weave launch postWeave: 393K views on X, 2026-07-28
  61. Vendo launch postVendo: 386K views on X, 2026-07-21
  62. Cactus Compute launch postCactus Compute: 386K views on X, 2026-10-02
  63. Unsloth AI launch postUnsloth AI: 372K views on X, 2026-07-20
  64. Mastra launch postMastra: 370K views on X, 2026-07-28
  65. RunInfra launch postRunInfra: 363K views on X, 2026-09-30
  66. Bond app launch postBond app: 356K views on X, 2026-08-26
  67. Respan launch postRespan: 349K views on X, 2026-09-25
  68. TryNearby launch postTryNearby: 348K views on X, 2026-08-17
  69. Kimpton launch postKimpton: 346K views on X, 2026-10-01
  70. Supabase launch postSupabase: 340K views on X, 2026-07-31
  71. Memorable launch postMemorable: 327K views on X, 2026-09-17
  72. Rivet launch postRivet: 314K views on X, 2026-07-20
  73. Inkbox launch postInkbox: 307K views on X, 2026-08-11
  74. herdr launch postherdr: 302K views on X, 2026-09-08
  75. AstroForge: 296K views on X, 2026-09-22
  76. DeepGrove launch postDeepGrove: 283K views on X, 2026-08-04
  77. Jitsu launch postJitsu: 281K views on X, 2026-09-08
  78. Scope launch postScope: 280K views on X, 2026-10-14
  79. Gini launch postGini: 271K views on X, 2026-08-20
  80. Greptile launch postGreptile: 269K views on X, 2026-07-21
  81. Tenor launch postTenor: 263K views on X, 2026-08-12
  82. RouterPlus launch postRouterPlus: 261K views on X, 2026-10-13
  83. Status launch postStatus: 259K views on X, 2026-05-19
  84. Nous Research launch postNous Research: 254K views on X, 2026-10-07
  85. Capy launch postCapy: 248K views on X, 2026-08-11
  86. AI Passport launch postAI Passport: 247K views on X, 2026-08-18
  87. James AI launch postJames AI: 247K views on X, 2026-09-21
  88. Preload launch postPreload: 246K views on X, 2026-10-01
  89. Conductor launch postConductor: 246K views on X, 2026-07-30
  90. Laminar launch postLaminar: 246K views on X, 2026-10-05
  91. Slashy launch postSlashy: 238K views on X, 2026-08-03
  92. Precip launch postPrecip: 237K views on X, 2026-09-30
  93. Exa launch postExa: 212K views on X, 2026-09-25
  94. Respan launch postRespan: 211K views on X, 2026-09-17
  95. Adaptyv Bio launch postAdaptyv Bio: 209K views on X, 2026-09-17
  96. Synapse Semiconductor launch postSynapse Semiconductor: 208K views on X, 2026-07-27
  97. Jitsu launch postJitsu: 208K views on X, 2026-09-16
  98. Aerogen Systems launch postAerogen Systems: 206K views on X, 2026-08-18
  99. Agnost AI launch postAgnost AI: 199K views on X, 2026-08-25
  100. Spline launch postSpline: 198K views on X, 2026-08-20
  101. Clicky launch postClicky: 194K views on X, 2026-09-25
  102. Voicepanel launch postVoicepanel: 192K views on X, 2026-09-16
  103. terminal-code launch postterminal-code: 190K views on X, 2026-09-17
  104. Grip launch postGrip: 189K views on X, 2026-08-19
  105. Interfaze (YC P26) launch postInterfaze (YC P26): 188K views on X, 2026-10-05
  106. Adaptyv Bio launch postAdaptyv Bio: 183K views on X, 2026-08-25
  107. Userlens launch postUserlens: 182K views on X, 2026-09-01
  108. Copperlane AI launch postCopperlane AI: 182K views on X, 2026-06-18
  109. Raindrop launch postRaindrop: 178K views on X, 2026-09-17
  110. Didit launch postDidit: 172K views on X, 2026-05-26
  111. Kuli launch postKuli: 172K views on X, 2026-09-30
  112. Andon Labs launch postAndon Labs: 171K views on X, 2026-09-14
  113. Tavus launch postTavus: 168K views on X, 2026-07-15
  114. Hebbian Robotics launch postHebbian Robotics: 167K views on X, 2026-08-09
  115. Levocred AI launch postLevocred AI: 167K views on X, 2026-08-27
  116. Raindrop launch postRaindrop: 164K views on X, 2026-08-11
  117. LemonSlice launch postLemonSlice: 164K views on X, 2026-10-02
  118. Codag launch postCodag: 163K views on X, 2026-08-17
  119. Jcode launch postJcode: 162K views on X, 2026-08-10
  120. Arbital launch postArbital: 162K views on X, 2026-08-21
  121. HappyRobot launch postHappyRobot: 162K views on X, 2026-08-04
  122. Archal launch postArchal: 161K views on X, 2026-08-23
  123. Neomatter launch postNeomatter: 156K views on X, 2026-10-15
  124. NetworkOcean launch postNetworkOcean: 154K views on X, 2026-09-29
  125. Tash launch postTash: 153K views on X, 2026-08-06
  126. Mintlify launch postMintlify: 152K views on X, 2026-08-06
  127. Parahelp launch postParahelp: 145K views on X, 2026-06-18
  128. Motion launch postMotion: 145K views on X, 2026-08-13
  129. Mastra launch postMastra: 140K views on X, 2026-07-27
  130. idler launch postidler: 138K views on X, 2026-08-19
  131. Coral launch postCoral: 134K views on X, 2026-10-11
  132. Marble launch postMarble: 134K views on X, 2026-07-30
  133. Stoke Space launch postStoke Space: 131K views on X, 2026-09-08
  134. graphify launch postgraphify: 131K views on X, 2026-08-18
  135. WonderSearch launch postWonderSearch: 129K views on X, 2026-09-28
  136. Respan launch postRespan: 128K views on X, 2026-08-06
  137. Clueso launch postClueso: 125K views on X, 2026-08-25
  138. Handoff launch postHandoff: 124K views on X, 2026-07-21
  139. Saccade launch postSaccade: 122K views on X, 2026-10-13
  140. Yondu launch postYondu: 121K views on X, 2026-08-11
  141. Agentmuxer launch postAgentmuxer: 117K views on X, 2026-08-25
  142. LATO launch postLATO: 117K views on X, 2026-08-17
  143. MOCHI.TV launch postMOCHI.TV: 116K views on X, 2026-08-14
  144. Vesence launch postVesence: 115K views on X, 2026-09-09
  145. GutGutGoose launch postGutGutGoose: 115K views on X, 2026-07-30
  146. Singularity: 114K views on X, 2026-07-14
  147. Apollo Atomics launch postApollo Atomics: 111K views on X, 2026-08-20
  148. Gumloop launch postGumloop: 110K views on X, 2026-09-10
  149. Numeral launch postNumeral: 109K views on X, 2026-09-23
  150. Perceptron ML (YC S26) launch postPerceptron ML (YC S26): 108K views on X, 2026-08-14
  151. Review: 106K views on X, 2026-08-27
  152. Agnost AI launch postAgnost AI: 105K views on X, 2026-07-24
  153. Cua launch postCua: 104K views on X, 2026-09-28
  154. Maywood launch postMaywood: 102K views on X, 2026-07-15
  155. Agentcard launch postAgentcard: 102K views on X, 2026-08-26
  156. Robocurve launch postRobocurve: 101K views on X, 2026-09-14
  157. Ageospatial launch postAgeospatial: 94K views on X, 2026-09-29
  158. Dock launch postDock: 79K views on X, 2026-09-09
  159. Pally launch postPally: 77K views on X, 2026-08-06
  160. Keystroke launch postKeystroke: 76K views on X, 2026-07-13
  161. Instance launch postInstance: 74K views on X, 2026-07-13
  162. Respan AI launch postRespan AI: 74K views on X, 2026-09-03
  163. Slashy launch postSlashy: 73K views on X, 2026-06-02
  164. Unsiloed launch postUnsiloed: 65K views on X, 2026-10-07
  165. RunAnywhere launch postRunAnywhere: 64K views on X, 2026-09-21
  166. Agentcard launch postAgentcard: 63K views on X, 2026-07-13
  167. Omnara launch postOmnara: 60K views on X, 2026-04-22
  168. Hanji launch postHanji: 60K views on X, 2026-07-28
  169. Omnara AI launch postOmnara AI: 58K views on X, 2026-09-02
  170. Asakana launch postAsakana: 57K views on X, 2026-10-16
  171. Markov launch postMarkov: 55K views on X, 2026-08-10
  172. Soren launch postSoren: 54K views on X, 2026-04-27
  173. Replicas launch postReplicas: 53K views on X, 2026-10-13
  174. Extend launch postExtend: 53K views on X, 2026-10-07
  175. Zomma launch postZomma: 50K views on X, 2026-08-18
  176. Fabraix launch postFabraix: 45K views on X, 2026-09-11
  177. Rex launch postRex: 45K views on X, 2026-07-27
  178. Mindfort launch postMindfort: 44K views on X, 2026-04-23
  179. Palette launch postPalette: 44K views on X, 2026-07-31
  180. Whip launch postWhip: 39K views on X, 2026-05-21
  181. Replicas launch postReplicas: 39K views on X, 2026-09-29
  182. Instaplay AI launch postInstaplay AI: 37K views on X, 2026-08-06
  183. Clad Lab launch postClad Lab: 36K views on X, 2026-09-02
  184. Overshoot launch postOvershoot: 34K views on X, 2026-10-15
  185. GodHands launch postGodHands: 32K views on X, 2026-10-15
  186. Trope launch postTrope: 32K views on X, 2026-07-08
  187. Ekho Lab launch postEkho Lab: 29K views on X, 2026-08-11
  188. Whip launch postWhip: 27K views on X, 2026-09-09
  189. Gojiberry AI launch postGojiberry AI: 27K views on X, 2026-09-06
  190. Odo launch postOdo: 25K views on X, 2026-04-14
  191. Agnost AI launch postAgnost AI: 24K views on X, 2026-05-01
  192. Invertix launch postInvertix: 24K views on X, 2026-09-28
  193. Zaplar launch postZaplar: 23K views on X, 2026-07-31
  194. Weave launch postWeave: 22K views on X, 2026-09-10
  195. Sila launch postSila: 21K views on X, 2026-08-05
  196. async launch postasync: 20K views on X, 2026-08-10
  197. WonderSearch launch postWonderSearch: 18K views on X, 2026-09-06
  198. Oasive AI launch postOasive AI: 18K views on X, 2026-09-23
  199. Supafax launch postSupafax: 17K views on X, 2026-06-30
  200. Pluto launch postPluto: 17K views on X, 2026-08-27
  201. Hera launch postHera: 16K views on X, 2026-07-31
  202. Axelrod launch postAxelrod: 15K views on X, 2026-08-06
  203. Enobase launch postEnobase: 13K views on X, 2026-09-19
  204. WonderSearch launch postWonderSearch: 13K views on X, 2026-10-17
  205. Whitespace launch postWhitespace: 11K views on X, 2026-07-16
  206. Praxis launch postPraxis: 10K views on X, 2026-10-15
  207. James launch postJames: 10K views on X, 2026-10-05
  208. Corsair launch postCorsair: 8K views on X, 2026-08-31
  209. Beluga launch postBeluga: 8K views on X, 2026-07-27
  210. Imagine AI launch postImagine AI: 8K views on X, 2026-08-27
  211. Invertix launch postInvertix: 7K views on X, 2026-10-14
  212. Alloovium launch postAlloovium: 7K views on X, 2026-07-13
  213. Hardware Intelligence launch postHardware Intelligence: 7K views on X, 2026-07-28
  214. Pally launch postPally: 7K views on X, 2026-10-16
  215. Haladir launch postHaladir: 6K views on X, 2026-08-12
  216. Gojiberry AI launch postGojiberry AI: 6K views on X, 2026-10-16
  217. Edviro launch postEdviro: 6K views on X, 2026-08-26
  218. RealPact launch postRealPact: 5K views on X, 2026-08-18
  219. Alfera launch postAlfera: 5K views on X, 2026-09-11
  220. CONUS launch postCONUS: 4K views on X, 2026-10-13
  221. Agentcard launch postAgentcard: 3K views on X, 2026-10-05

Engagement is read from X and refreshed daily for the last fortnight; older posts keep the figure and the date it was read. The multiple is views divided by the account's following at the time of reading, shown only where an account has over 500 followers, because below that it flatters the arithmetic rather than the launch.

Launching in this vertical

Every launch here comes from an account that states a Y Combinator batch, in its bio or in the post itself.

Alumni who list YC as a past employer, and companies that raised from YC years after their batch, are left out, because the question this page answers is what a launch from inside a batch does on X.

The honest headline is that these launches sit well under the directory median, and the reason is account size. The typical YC launch here goes out from an account with a few thousand followers or fewer, often a founder's, often opened for the batch.

Read against accounts of the same size the picture is ordinary: some launches travel a long way past their following and most do not, which is the same distribution as everywhere else in the directory.

What YC adds is a demo day, a batch hashtag and a crowd of peers posting the same week, and none of those change the first hour of a post.

The ones that broke out did it the way launches from small accounts break out anywhere: a demo a stranger can understand in the first three seconds, an opening line that makes a checkable claim, and accounts outside the company carrying it early.

How I would launch if I were a YC company works through that in detail, with the YC account's own numbers against a W24 company that beat them from 1,504 followers. The launches on this page are the evidence for it.

If you are in a batch and about to launch, the useful comparison is the row nearest your follower count, and the useful question is what the ones above it led with.

Want to be on this list?

Every launch here was somebody's one week of attention. We run the version where that week is planned.