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Joined January 2026
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Introducing: Stealth + Accelerator Discovery Lanes
- 902 founders leaving to build in the last 30 days
- 178 accelerator companies, 82 found before any directory
everything new, from the founder 馃憞
5 founders building in stealth @ @spc on 饾晱 馃憞
1/ @buzzcai84 - (ex-@ByteDanceSeed_, @Meta): led mid/post-training data at bytedance seed.
2/ @CattalyyaN - (ex-@Google, @MIT): on-device ml for google AR.
3/ @zhangkaifu314 - (ex-@AlibabaGroup vp, ex-cmu professor): building agents that trace cause and effect through markets.
4/ @aneesh__gupta - (ex-@Meta, @nuro): inference at meta, perception at nuro.
5/ @pratduvvuri - (repeat founder): galileo (acq. @Cisco), ex-@Meta, @Apple. digging into compute markets and supplier credit.
frontrun retweeted
this one is a banger by frontrun
anybody selling data rn is noticing a pattern:
the customers are increasingly enterprises that want to fix their agents
evals are going to be a 100B+ market, because an eval is what makes ai deployable to production yes, but also what lets you hillclimb outcomes, and is also an rl task at the same time
rn the major buyers are frontier labs. but not forever!!
ex-@GoogleDeepMind gemini post-training. ex-@mercor.
now they're fixing ai agents in production, and the company has 2 followers: @Convergent_Dev
@OmkarSavant_ and @debnilsur turn production agent failures into evals, then fix them.
flagged oct 15th on @frontrunvc
frontrun retweeted
ex-@GoogleDeepMind gemini post-training. ex-@mercor.
now they're fixing ai agents in production, and the company has 2 followers: @Convergent_Dev
@OmkarSavant_ and @debnilsur turn production agent failures into evals, then fix them.
flagged oct 15th on @frontrunvc
ex-@GoogleDeepMind gemini post-training. ex-@mercor.
now they're fixing ai agents in production, and the company has 2 followers: @Convergent_Dev
@OmkarSavant_ and @debnilsur turn production agent failures into evals, then fix them.
flagged oct 15th on @frontrunvc
We usually run these fundraise recaps on Fridays, but $265M was raised today by startups @frontrunvc flagged early. Couldn't wait. 馃憞
Average lead time: 85 days.
1. @altaxyz - 138 days ago. $80M seed + Series A led by @IndexVentures
2. @inkbox_ai - 125 days ago. $5.3M seed led by @peakxvpartners
3. @generaltxn - 125 days ago. $27M Series A led by @a16z and @upfrontvc
4. @coframe - 110 days ago. $25M Series A led by @khoslaventures and @hanabicapital
5. @Index_inds - 106 days ago. $50M seed led by @lightspeedvp
6. @alterralabsai - 32 days ago. $12.5M seed led by @oakhcft
7. @TendrilsCompute - 27 days ago. $30M seed led by @benchmark
8. @GraphonAI - 19 days ago. $35M Series A led by @RRE
if you invest in biotech: 10 early ai biotech startups, all flagged on frontrun 馃憞
@nurturebio = makes the epigenome readable and remodelable
@permanencebio = prevents cancer by stopping mutations before they happen
@romixbio = one blood draw, a full-body rna readout of disease
@tychobio_ai = designs rna therapeutics with the lab in the loop
@finaldoselfg = one programmable drug for all cancers
@moabtherapeutic = ai-designed minibinders for its own pipeline
@ascentbio = an ai scientist for drug design, used at 40+ institutions
@genselectai = ai and a wet lab in a closed loop designing proteins
@exintx = neuroai for genetic therapies in epilepsy, autism and parkinson's
@invokebio = ai-picked targets for personalized cancer vaccines
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valued at $1b. @paradigm led.
@mavriaX is out of stealth. $130m raised to date.
sep 4: flagged at 9 followers.
nov 9: out of stealth.
66 days before the round. @frontrunvc 馃
The next phase of the AI race will be won or lost in the physical world. America鈥檚 frontier researchers are regularly working miracles, but they鈥檙e limited by atoms and electrons. That鈥檚 why we founded Mavria.
We're turning bespoke construction projects into repeatable infrastructure products that can be manufactured at scale, like cars, computers and even rockets are today.
Our first product is Terrain, a factory-built data center engineered for speed and simplicity of deployment. With standardized 5 MW blocks, it integrates power, cooling, controls and infrastructure needed for AI compute. Terrain 01 is in production in Houston today.
Instead of sourcing and integrating a series of disjointed modules, customers get an integrated, factory-tested product. It鈥檚 the difference between building your own PC vs. buying a MacBook.
We鈥檝e raised $130M, including a new $100M round led by @paradigm at a $1B valuation. We鈥檙e also backed by @amppbc, Critical Frontier, @Liquid2V, @DreamVenturesVC, and others. We're putting that capital to work securing critical supply chains, scaling manufacturing, and expanding our team.
startups flagged on @frontrunvc with under 100 followers on X:
1/ @zeromattertech - 6 followers - (robotics): simulation infrastructure to build, test and train robotics and autonomy systems.
2/ @kaonresearch - 12 followers - (ai): personalized ai models that learn from how people interact with them.
3/ @faradayloop - 25 followers - (ai hardware): a foundation model for electromagnetic design and faster design-space exploration.
4/ @infinitegard3n - 87 followers - (ai commerce): an ai research lab building the future of commerce.
5/ @wakefield_ai - 92 followers - (cybersecurity): continuously finds and patches vulnerabilities in software.
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frontrun retweeted
$0 to $240M run rate in 12 months. Everyone wants to know who it is.
it's @nyne_ai.
@frontrunvc flagged it 86 days ago.
founders: @michaelfanous1 @emad
feb 28: @michaelfanous1 flagged
jul 17: 4 tracked accounts on the founder
aug 12: @nyne_ai flagged at 65 followers
sep 9: @spc cohort
nov 4: $0 to $240M run rate tweet.
nov 6: its @nyne_ai 馃
A week of fundraises. @frontrunvc flagged 10 startups before their rounds were announced.
Average lead time: 170 days. 馃憞
1. @unruggable_io - 249 days early. $500K led by @colosseum
2. @uraniumdigital_ - 241 days early. $16.5M Series A led by @bcap
3. @usecowboy - 216 days early. $5M seed led by @Nebularvc
4. @bySyncere - 215 days early. $11M pre-seed led by @speedrun
5. @tutorintel - 187 days early. $75M Series B led by @a16z
6. @crshmarket - 186 days early. $3.5M seed led by @6thManVentures
7. @traversal_ai - 145 days early. $120M Series B co-led by @kleinerperkins, @Redpoint and @khoslaventures
8. @Larridin - 113 days early. $30M Series A led by @Pelion_VP
9. @usekita - 78 days early. $4.5M seed led by @BoxGroup
10. @armatrix_IN - 70 days early. $8.1M seed led by @crane_vc
Great week to follow from the front. 馃
frontrun retweeted
My last investment was found on @frontrunvc
$0 to $240M run rate in 12 months. Everyone wants to know who it is.
it's @nyne_ai.
@frontrunvc flagged it 86 days ago.
founders: @michaelfanous1 @emad
feb 28: @michaelfanous1 flagged
jul 17: 4 tracked accounts on the founder
aug 12: @nyne_ai flagged at 65 followers
sep 9: @spc cohort
nov 4: $0 to $240M run rate tweet.
nov 6: its @nyne_ai 馃
"the fastest cloud for running code" - @peakinfra
they build fast cloud infrastructure for ci pipelines.
founder: @veerbia, previously @datadoghq and @baseten.
we flagged them on oct 21st at 8 followers.
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