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.
Biggest from small accounts
See them all →Every launch
Lumeria: 3.3M views on X, 2026-08-13
Drafted: 3.2M views on X, 2026-07-10
Olio Labs: 3.1M views on X, 2026-08-05
Firecrawl: 2.7M views on X, 2026-07-31
terminal-code: 2.6M views on X, 2026-08-19- OpenCode: 2.6M views on X, 2026-09-16
Firecrawl: 2.5M views on X, 2026-08-04- Parasma: 2.3M views on X, 2026-08-13
Pocket: 2.2M views on X, 2026-08-19
Circleback: 2.1M views on X, 2026-07-28
Lemma: 2M views on X, 2026-08-13
Icon: 1.7M views on X, 2026-08-25
David Miller: 1.5M views on X, 2026-10-04
Insta Cloud: 1.4M views on X, 2026-09-29
Pocket: 1.4M views on X, 2026-07-15
Clueso: 1.3M views on X, 2026-10-13
Cua: 1.3M views on X, 2026-09-18
Carl Peterson: 1.3M views on X, 2026-08-19
Kalshi: 1.3M views on X, 2026-07-14
Meteoric: 1.2M views on X, 2026-08-21
Hop Aero: 1.2M views on X, 2026-07-28
Oki: 1.1M views on X, 2026-10-06
Lamina Labs: 1.1M views on X, 2026-07-30
Standout: 1.1M views on X, 2026-05-07
Omanta Health: 999K views on X, 2026-08-04
Theo: 886K views on X, 2026-10-07
Armature: 872K views on X, 2026-07-29
Vernius Systems: 833K views on X, 2026-08-24
Poetiq: 830K views on X, 2026-07-15
Databuddy: 796K views on X, 2026-10-08- River AI: 779K views on X, 2026-08-11
F2: 753K views on X, 2026-06-10
Agnost AI: 696K views on X, 2026-08-20
Cosmic Robotics: 695K views on X, 2026-08-19
Antonio Li: 631K views on X, 2026-08-18
OpenCode: 626K views on X, 2026-07-14
Chronicle Labs: 619K views on X, 2026-05-05
InsForge: 604K views on X, 2026-06-05
Induction Labs: 592K views on X, 2026-07-23
Scape: 585K views on X, 2026-07-23
terminal-code: 562K views on X, 2026-07-30
HeroUI: 547K views on X, 2026-03-21
Sila: 546K views on X, 2026-09-23
GitCafe: 527K views on X, 2026-08-11
HUMAN BEHAVIOR: 522K views on X, 2026-08-10
konstantinpaulus: 510K views on X, 2026-08-28
Caution: 494K views on X, 2026-08-04
Freya: 490K views on X, 2026-09-21
Starcloud: 488K views on X, 2026-08-21
Cua: 487K views on X, 2026-10-02
Liquid Compute: 478K views on X, 2026-09-15
Roma: 460K views on X, 2026-10-06
Discovered Materials: 456K views on X, 2026-08-10- Standard Machines: 432K views on X, 2026-08-05
OpenAI: 418K views on X, 2026-09-18
naïve: 409K views on X, 2026-08-24
Billow: 403K views on X, 2026-08-13
Magnitude: 398K views on X, 2026-08-07
Nox Metals: 394K views on X, 2026-09-01
Weave: 393K views on X, 2026-07-28
Vendo: 386K views on X, 2026-07-21
Cactus Compute: 386K views on X, 2026-10-02
Unsloth AI: 372K views on X, 2026-07-20
Mastra: 370K views on X, 2026-07-28
RunInfra: 363K views on X, 2026-09-30
Bond app: 356K views on X, 2026-08-26
Respan: 349K views on X, 2026-09-25
TryNearby: 348K views on X, 2026-08-17
Kimpton: 346K views on X, 2026-10-01
Supabase: 340K views on X, 2026-07-31
Memorable: 327K views on X, 2026-09-17
Rivet: 314K views on X, 2026-07-20
Inkbox: 307K views on X, 2026-08-11
herdr: 302K views on X, 2026-09-08- AstroForge: 296K views on X, 2026-09-22
DeepGrove: 283K views on X, 2026-08-04
Jitsu: 281K views on X, 2026-09-08
Scope: 280K views on X, 2026-10-14
Gini: 271K views on X, 2026-08-20
Greptile: 269K views on X, 2026-07-21
Tenor: 263K views on X, 2026-08-12
RouterPlus: 261K views on X, 2026-10-13
Status: 259K views on X, 2026-05-19
Nous Research: 254K views on X, 2026-10-07
Capy: 248K views on X, 2026-08-11
AI Passport: 247K views on X, 2026-08-18
James AI: 247K views on X, 2026-09-21
Preload: 246K views on X, 2026-10-01
Conductor: 246K views on X, 2026-07-30
Laminar: 246K views on X, 2026-10-05
Slashy: 238K views on X, 2026-08-03
Precip: 237K views on X, 2026-09-30
Exa: 212K views on X, 2026-09-25
Respan: 211K views on X, 2026-09-17
Adaptyv Bio: 209K views on X, 2026-09-17
Synapse Semiconductor: 208K views on X, 2026-07-27
Jitsu: 208K views on X, 2026-09-16
Aerogen Systems: 206K views on X, 2026-08-18
Agnost AI: 199K views on X, 2026-08-25
Spline: 198K views on X, 2026-08-20
Clicky: 194K views on X, 2026-09-25
Voicepanel: 192K views on X, 2026-09-16
terminal-code: 190K views on X, 2026-09-17
Grip: 189K views on X, 2026-08-19
Interfaze (YC P26): 188K views on X, 2026-10-05
Adaptyv Bio: 183K views on X, 2026-08-25
Userlens: 182K views on X, 2026-09-01
Copperlane AI: 182K views on X, 2026-06-18
Raindrop: 178K views on X, 2026-09-17
Didit: 172K views on X, 2026-05-26
Kuli: 172K views on X, 2026-09-30
Andon Labs: 171K views on X, 2026-09-14
Tavus: 168K views on X, 2026-07-15
Hebbian Robotics: 167K views on X, 2026-08-09
Levocred AI: 167K views on X, 2026-08-27
Raindrop: 164K views on X, 2026-08-11
LemonSlice: 164K views on X, 2026-10-02
Codag: 163K views on X, 2026-08-17
Jcode: 162K views on X, 2026-08-10
Arbital: 162K views on X, 2026-08-21
HappyRobot: 162K views on X, 2026-08-04
Archal: 161K views on X, 2026-08-23
Neomatter: 156K views on X, 2026-10-15
NetworkOcean: 154K views on X, 2026-09-29
Tash: 153K views on X, 2026-08-06
Mintlify: 152K views on X, 2026-08-06
Parahelp: 145K views on X, 2026-06-18
Motion: 145K views on X, 2026-08-13
Mastra: 140K views on X, 2026-07-27
idler: 138K views on X, 2026-08-19
Coral: 134K views on X, 2026-10-11
Marble: 134K views on X, 2026-07-30
Stoke Space: 131K views on X, 2026-09-08
graphify: 131K views on X, 2026-08-18
WonderSearch: 129K views on X, 2026-09-28
Respan: 128K views on X, 2026-08-06
Clueso: 125K views on X, 2026-08-25
Handoff: 124K views on X, 2026-07-21
Saccade: 122K views on X, 2026-10-13
Yondu: 121K views on X, 2026-08-11
Agentmuxer: 117K views on X, 2026-08-25
LATO: 117K views on X, 2026-08-17
MOCHI.TV: 116K views on X, 2026-08-14
Vesence: 115K views on X, 2026-09-09
GutGutGoose: 115K views on X, 2026-07-30- Singularity: 114K views on X, 2026-07-14
Apollo Atomics: 111K views on X, 2026-08-20
Gumloop: 110K views on X, 2026-09-10
Numeral: 109K views on X, 2026-09-23
Perceptron ML (YC S26): 108K views on X, 2026-08-14- Review: 106K views on X, 2026-08-27
Agnost AI: 105K views on X, 2026-07-24
Cua: 104K views on X, 2026-09-28
Maywood: 102K views on X, 2026-07-15
Agentcard: 102K views on X, 2026-08-26
Robocurve: 101K views on X, 2026-09-14
Ageospatial: 94K views on X, 2026-09-29
Dock: 79K views on X, 2026-09-09
Pally: 77K views on X, 2026-08-06
Keystroke: 76K views on X, 2026-07-13
Instance: 74K views on X, 2026-07-13
Respan AI: 74K views on X, 2026-09-03
Slashy: 73K views on X, 2026-06-02
Unsiloed: 65K views on X, 2026-10-07
RunAnywhere: 64K views on X, 2026-09-21
Agentcard: 63K views on X, 2026-07-13
Omnara: 60K views on X, 2026-04-22
Hanji: 60K views on X, 2026-07-28
Omnara AI: 58K views on X, 2026-09-02
Asakana: 57K views on X, 2026-10-16
Markov: 55K views on X, 2026-08-10
Soren: 54K views on X, 2026-04-27
Replicas: 53K views on X, 2026-10-13
Extend: 53K views on X, 2026-10-07
Zomma: 50K views on X, 2026-08-18
Fabraix: 45K views on X, 2026-09-11
Rex: 45K views on X, 2026-07-27
Mindfort: 44K views on X, 2026-04-23
Palette: 44K views on X, 2026-07-31
Whip: 39K views on X, 2026-05-21
Replicas: 39K views on X, 2026-09-29
Instaplay AI: 37K views on X, 2026-08-06
Clad Lab: 36K views on X, 2026-09-02
Overshoot: 34K views on X, 2026-10-15
GodHands: 32K views on X, 2026-10-15
Trope: 32K views on X, 2026-07-08
Ekho Lab: 29K views on X, 2026-08-11
Whip: 27K views on X, 2026-09-09
Gojiberry AI: 27K views on X, 2026-09-06
Odo: 25K views on X, 2026-04-14
Agnost AI: 24K views on X, 2026-05-01
Invertix: 24K views on X, 2026-09-28
Zaplar: 23K views on X, 2026-07-31
Weave: 22K views on X, 2026-09-10
Sila: 21K views on X, 2026-08-05
async: 20K views on X, 2026-08-10
WonderSearch: 18K views on X, 2026-09-06
Oasive AI: 18K views on X, 2026-09-23
Supafax: 17K views on X, 2026-06-30
Pluto: 17K views on X, 2026-08-27
Hera: 16K views on X, 2026-07-31
Axelrod: 15K views on X, 2026-08-06
Enobase: 13K views on X, 2026-09-19
WonderSearch: 13K views on X, 2026-10-17
Whitespace: 11K views on X, 2026-07-16
Praxis: 10K views on X, 2026-10-15
James: 10K views on X, 2026-10-05
Corsair: 8K views on X, 2026-08-31
Beluga: 8K views on X, 2026-07-27
Imagine AI: 8K views on X, 2026-08-27
Invertix: 7K views on X, 2026-10-14
Alloovium: 7K views on X, 2026-07-13
Hardware Intelligence: 7K views on X, 2026-07-28
Pally: 7K views on X, 2026-10-16
Haladir: 6K views on X, 2026-08-12
Gojiberry AI: 6K views on X, 2026-10-16
Edviro: 6K views on X, 2026-08-26
RealPact: 5K views on X, 2026-08-18
Alfera: 5K views on X, 2026-09-11
CONUS: 4K views on X, 2026-10-13
Agentcard: 3K views on X, 2026-10-05
Nothing matches those filters.
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.