Public evidence index · assembled 2026-09-18 · revision 2

Oxide Computer Company

Emeryville, California computer company founded in 2019 by Bryan Cantrill, Steve Tuck, and Jessie Frazelle to build rack-scale 'cloud computers' — hyperscaler-class infrastructure for on-premises data centers. Ships a fully integrated hardware/software rack; develops its Rust control plane (Omicron), kernel (Hubris), illumos host (Helios), and hypervisor (Propolis) in public; known for uniform salaries and podcast-driven transparency. Raised ~$378M including a $200M Series C in 2026; customers include Idaho National Laboratory and Lawrence Livermore.

Also known as Oxide Computer Co., Oxide, Oxide Computer

This index is partial, source-bounded, dated, and revisable. It is published by @ben, not by the subject. Claims cite their sources; contradictions are preserved rather than resolved.

Oxide Computer Company is the Emeryville startup that decided the cloud should be something you can buy, own, and rack — not just rent. Founded in 2019 by three veterans of Sun, Joyent, Docker, and Mesosphere, it spent nearly four years in deliberate build-out before shipping a single product: a complete, integrated rack-scale computer that arrives ready to run. It is also one of the most publicly transparent private companies ever — uniform salaries, open board decks, published design documents, and two podcasts of engineering chatter, all part of the thesis that trust is a product feature.

Origins

The company traces to a text message between Bryan Cantrill — DTrace co-creator, Sun veteran, Joyent CTO — and his former colleague Steve Tuck, about what computing would look like if the hyperscalers' integrated infrastructure were available to everyone. Jessie Frazelle, coming off Docker and Mesosphere, rounded out the founding trio. They announced themselves on December 1–2, 2019, with early backing led by Eclipse Ventures (Pierre Lamond taking the board seat) and — characteristically — a podcast. The GitHub org had existed since August; the founding engineers, illumos alumni Robert Mustacchi, Joshua Clulow, and Patrick Mooney, announced themselves in a coordinated flurry of blog posts the day after the reveal.

The thesis

The pitch is hardware/software co-design taken literally: a single 32-sled rack where the switch, the power shelf, the service processors, the kernel, the hypervisor, and the control plane are one designed system. "Cloud computing" per Oxide means the abstractions — elastic compute, managed storage, software-defined networking — not the rental model. Cantrill called it "nine startups within one startup," and the company accepted that scope knowingly: four years to first customer shipment in June 2023, a nine-foot, three-thousand-pound rack, installable to developer-ready in hours.

Radical transparency as practice

Oxide's strangest innovation may be organizational. In March 2021 it announced uniform compensation — $175,000 for every one of its 23 employees, founders included — arguing that pay asymmetry creates information asymmetry. The model persists; the number reached $275,000 by May 2025, with a carve-out for sales incentives that the company itself flags as an exception under watch. Around it: RFDs (Requests for Discussion) published in full, board decks shared with all staff, and a weekly Discord-recorded show, Oxide and Friends, that treats engineering decisions as public record. The earlier On the Metal podcast ran for two years before there was a product to sell — the audience preceded the market.

Product and open source

The software stack is developed almost entirely in public: Omicron, the Rust control plane; Hubris, the memory-protected service-processor kernel announced November 30, 2021, with its debugger Humility; Helios, the illumos-derived host OS; Propolis, the hypervisor; and generalized tools like Dropshot and Progenitor. Jessie Frazelle departed as CPO in July 2022 to co-found KittyCAD (now Zoo). The commercial Cloud Computer was unveiled October 26, 2023 alongside a $44M Series A led by Eclipse — bringing total financing to $78M. Named customers include Idaho National Laboratory; Eclipse additionally names Switch, Shopify, and Lawrence Livermore. In November 2024 the LLNL collaboration on cloud/HPC convergence — including Flux integration — became public, with Los Alamos and Sandia participating in related activities.

The money

The capital story is emphatic: a $100M Series B in July 2025 led by Thomas Tull's US Innovative Technology Fund, then a $200M Series C in February 2026 — again USIT-led, with Eclipse, Riot, and Jane Street participating — "doubling total funding for the second time," to roughly $378M. Each announcement doubles as manifesto: the Series C restates that Oxide aims to be "a generational company," not an acquisition target. In July 2026 the company joined Anthropic's Project Glasswing, applying Claude Mythos to its own codebase.

What the record does not settle

The early financing is murky — the ~$20M seed that aggregators report doesn't cleanly reconcile with the $34M implied by Series A math or Oxide's own "$89M over six years" framing. Headcount and revenue are undisclosed. Whether uniform compensation survives real scale, and whether on-prem cloud's moment has actually arrived, remain bets rather than findings. The transparency is real but self-administered — the company curates the record it publishes.

This index was compiled from public sources and does not imply the organization's endorsement. Citations live in the packet's source catalog.

Timeline by topic

Topics follow the event kinds supplied in this index. Each entry links to its full record in the chronological timeline. Dates retain the precision supplied by the publisher.

Founding (1)
  1. Oxide Computer Company announcedfounded[2][31][32][39]
Roles (1)
  1. Jessie Frazelle departs as CPOrole[63][36]
Projects (3)
  1. Hubris and Humility announcedproject[7][17][20]
  2. Commercial Cloud Computer unveiledproject[9][8][41][43]
  3. Kubernetes on Oxideproject[1]
Media (1)
  1. Oxide and Friends begins weekly broadcastsmedia[26]
Funding (4)
  1. Seed round led by Eclipse Venturesfunding[2][31][57]
  2. $44M Series Afunding[9][42][52]
  3. $100M Series B led by USITfunding[11][45][29]
  4. $200M Series C led by USITfunding[12][30][46][47]
Milestones (7)
  1. GitHub organization createdmilestone[18]
  2. RFD 1 published — design in the openmilestone[4][24]
  3. Uniform compensation model announcedmilestone[5]
  4. First customer rack shipsmilestone[40][44][27]
  5. Lawrence Livermore collaboration announcedmilestone[10]
  6. Compensation model check-in: $275K for allmilestone[6]
  7. Joins Anthropic's Project Glasswingmilestone[13]
Other events (2)
  1. Founding engineers announce themselvesother[33][34][35]
  2. Memorial for board member Charles Beelerother[16]

Timeline

  1. Seed round led by Eclipse Venturesfunding

    Undisclosed at the time; aggregators report ~$20M. Pierre Lamond joins the board.

    [2][31][57]
  2. GitHub organization createdmilestone

    github.com/oxidecomputer goes live — the earliest public artifact of the company.

    [18]
  3. Oxide Computer Company announcedfounded

    Cantrill, Tuck, and Frazelle reveal the company: hyperscaler-class infrastructure for the broader market, plus the On the Metal podcast.

    [2][31][32][39]
  4. Founding engineers announce themselvesother

    Robert Mustacchi, Joshua Clulow, and Patrick Mooney each publish 'I joined Oxide' posts the day after the reveal.

    [33][34][35]
  5. RFD 1 published — design in the openmilestone

    The Requests-for-Discussion process formalized and later published wholesale.

    [4][24]
  6. Oxide and Friends begins weekly broadcastsmedia[26]
  7. Uniform compensation model announcedmilestone

    $175,000 for all 23 employees, founders included — 'compensation as a reflection of values.'

    [5]
  8. Hubris and Humility announcedproject

    The Rust service-processor kernel and its debugger go public.

    [7][17][20]
  9. Jessie Frazelle departs as CPOrole

    The co-founder leaves to co-found KittyCAD (later Zoo), where she becomes CEO in December 2022.

    [63][36]
  10. First customer rack shipsmilestone

    A nine-foot, ~3,000-pound integrated system — nearly four years after founding.

    [40][44][27]
  11. Commercial Cloud Computer unveiledproject

    The product goes on sale: 32-sled rack-scale computer, delivered whole — 'own the cloud instead of renting it.'

    [9][8][41][43]
  12. $44M Series Afunding

    Led by Eclipse Ventures with Intel Capital, Riot Ventures, Counterpart Ventures, and Rally Ventures; total financing reaches $78M.

    [9][42][52]
  13. Memorial for board member Charles Beelerother

    The Rally Ventures partner and early backer is remembered on the company blog.

    [16]
  14. Lawrence Livermore collaboration announcedmilestone

    Joint work on cloud/HPC convergence, including Flux integration; Los Alamos and Sandia participate in related activities.

    [10]
  15. Compensation model check-in: $275K for allmilestone

    Four years on, the uniform-salary model persists with a higher number and a sales-incentive carve-out.

    [6]
  16. $100M Series B led by USITfunding

    Thomas Tull's US Innovative Technology Fund leads; all existing investors participate; company says $89M was raised over the prior ~six years.

    [11][45][29]
  17. $200M Series C led by USITfunding

    Existing investors including Eclipse, Riot Ventures, and Jane Street participate; total financing roughly doubles to ~$378M.

    [12][30][46][47]
  18. Joins Anthropic's Project Glasswingmilestone

    Applying Claude Mythos to the Oxide codebase — the company frames it as an extension of its open, inspectable-software posture.

    [13]
  19. Kubernetes on Oxideproject

    Company blog details running Kubernetes on the Cloud Computer.

    [1]

Themes

Works and projects

Appearances

Relations

Indexed in

Claims

Sources

  1. Oxide Computer CompanyOxide Computer Company · subject controlled · webpage · accessed 2026-09-18T05:30:00Z

    The company's site, built around the Cloud Computer: rack-scale, integrated compute/storage/networking that customers own and operate.

  2. Introducing the Oxide Computer CompanyOxide Computer Company · 2019 · subject controlled · article · accessed 2026-09-18T05:30:00Z

    The December 1, 2019 founding announcement: 'We started with three folks — Bryan Cantrill, Steve Tuck, and Jessie Frazelle' — plus early investment led by Eclipse Ventures.

  3. Oxide — PrinciplesOxide Computer Company · subject controlled · webpage · accessed 2026-09-18T05:30:00Z

    The stated operating principles — the company's own answer to 'how does Oxide run itself.'

  4. RFD 1: Requests for DiscussionOxide Computer Company · 2020 · subject controlled · article · accessed 2026-09-18T05:30:00Z

    Cantrill's account of RFD 1 — the working-in-public design process inspired by illumos's IPDs and Joyent's internal docs.

  5. Compensation as a Reflection of ValuesOxide Computer Company · 2021 · subject controlled · article · accessed 2026-09-18T05:30:00Z

    The uniform-compensation post: every one of the then-23 employees paid $175,000/year, founders included — a transparency artifact that later went viral.

  6. Oxide's compensation model: how is it going?Oxide Computer Company · 2025 · subject controlled · article · accessed 2026-09-18T05:30:00Z

    The four-year check-in: uniform base compensation persists (by then $275,000), with sales-incentive exceptions acknowledged.

  7. Hubris and HumilityOxide Computer Company · 2021 · subject controlled · article · accessed 2026-09-18T05:30:00Z

    The announcement of the Hubris embedded OS and its debugger counterpart, Humility.

  8. The Cloud ComputerOxide Computer Company · 2023 · subject controlled · article · accessed 2026-09-18T05:30:00Z

    CEO Steve Tuck's launch-day essay on what the Cloud Computer is and why the company spent four years building it.

  9. Oxide Unveils the World's First Commercial Cloud ComputerOxide Computer Company · 2023 · subject controlled · article · accessed 2026-09-18T05:30:00Z

    The product announcement paired with the $44M Series A — led by Eclipse with Intel Capital, Riot Ventures, Counterpart Ventures, and Rally Ventures — for $78M raised total.

  10. Oxide Computer Company and Lawrence Livermore National LaboratoryOxide Computer Company · 2024 · subject controlled · article · accessed 2026-09-18T05:30:00Z

    Announces the LLNL collaboration on cloud/HPC convergence — with Los Alamos and Sandia participating in related activities.

  11. Our $100M Series BOxide Computer Company · 2025 · subject controlled · article · accessed 2026-09-18T05:30:00Z

    Announces the $100M Series B led by USIT (Thomas Tull's fund) with all existing investors participating; says the company had raised $89M across nearly six years beforehand.

  12. Our $200M Series COxide Computer Company · 2026 · subject controlled · article · accessed 2026-09-18T05:30:00Z

    Announces the $200M Series C and restates the intent: 'not to be an acquisition target but rather build a generational company; this is our life's work.'

  13. Oxide and Anthropic's Project GlasswingOxide Computer Company · 2026 · subject controlled · article · accessed 2026-09-18T05:30:00Z

    Announces Oxide's participation in Anthropic's Project Glasswing — applying Claude Mythos to its own codebase — and restates the open-source/hardware-software co-design philosophy.

  14. Oxide — Product specificationsOxide Computer Company · subject controlled · webpage · accessed 2026-09-18T05:30:00Z

    The rack's own spec sheet: 32 sleds, purpose-built switches and power shelf, no assembly required.

  15. FAQ Friday: What is Oxide?Oxide Computer Company · subject controlled · article · accessed 2026-09-18T05:30:00Z

    The company's own definition: on-premises cloud computing via hardware/software co-design — a whole rack as the unit of delivery, not a 1U/2U server.

  16. Remembering Charles BeelerOxide Computer Company · 2024 · subject controlled · article · accessed 2026-09-18T05:30:00Z

    Memorial for Rally Ventures' Charles Beeler, an early backer and board member — evidence of Rally's ongoing investor relationship.

  17. Hubris — a lightweight, memory-protected, message-passing kernelOxide Computer Company · subject controlled · webpage · accessed 2026-09-18T05:30:00Z

    The Hubris project's own documentation site.

  18. oxidecomputer — GitHub organizationGitHub · subject controlled · webpage · accessed 2026-09-18T05:30:00Z

    The public GitHub org — created August 12, 2019, location Emeryville, CA — hosting Hubris, Helios, Omicron, Propolis, Dropshot, Progenitor, Humility, and more.

  19. oxidecomputer/omicron — the Oxide control planeGitHub · subject controlled · webpage · accessed 2026-09-18T05:30:00Z

    The Rust control-plane repository, developed in public.

  20. oxidecomputer/hubris — a lightweight, memory-protected kernelGitHub · subject controlled · webpage · accessed 2026-09-18T05:30:00Z

    The Rust service-processor kernel, open source from the start.

  21. oxidecomputer/helios — the Helios operating systemGitHub · subject controlled · webpage · accessed 2026-09-18T05:30:00Z

    The illumos-derived host operating system for the sleds.

  22. oxidecomputer/propolis — hypervisorGitHub · subject controlled · webpage · accessed 2026-09-18T05:30:00Z

    The illumos-based hypervisor component.

  23. oxidecomputer/dropshot — general-purpose Rust HTTP serverGitHub · subject controlled · webpage · accessed 2026-09-18T05:30:00Z

    The internal API framework — spec-first HTTP in Rust — generalized into a public library.

  24. Oxide RFDsOxide Computer Company · subject controlled · webpage · accessed 2026-09-18T05:30:00Z

    The public archive of Requests for Discussion — design documents as primary artifacts.

  25. On the MetalOxide Computer Company · 2019 · subject controlled · webpage · accessed 2026-09-18T05:30:00Z

    The company's first podcast — Cantrill, Frazelle, and Tuck interviewing hardware/software legends; billed (self-deprecatingly) as 'the nerdiest podcast on the planet.'

  26. Oxide and FriendsOxide Computer Company · 2021 · subject controlled · webpage · accessed 2026-09-18T05:30:00Z

    The weekly Monday-Discord show that succeeded On the Metal — engineering, the company, and the industry in public.

  27. Tales from Manufacturing: Shipping Rack 1 — Oxide and FriendsOxide Computer Company · 2023 · subject controlled · audio · accessed 2026-09-18T05:30:00Z

    The ops and engineering story of physically shipping the first customer rack.

  28. Shipping the first Oxide rack: Your questions answered! — Oxide and FriendsOxide Computer Company · 2023 · subject controlled · audio · accessed 2026-09-18T05:30:00Z

    Q&A episode following the first rack delivery — including the 'cloud computing not as renting someone else's computers' framing.

  29. Oxide Raises $100M Series B to Scale Cloud Infrastructure for On-Premises ComputingPR Newswire (Oxide Computer Company) · 2025 · subject controlled · article · accessed 2026-09-18T05:30:00Z

    The company's wire release for the Series B.

  30. Oxide Closes $200M Series C to Scale On-Premises Cloud ComputingPR Newswire (Oxide Computer Company) · 2026 · subject controlled · article · accessed 2026-09-18T05:30:00Z

    The company's wire release for the Series C — led by USIT with existing investors including Eclipse, Riot Ventures, and Jane Street.

  31. The Soul of a New Computer CompanyBryan Cantrill (personal blog) · 2019 · first person · article · accessed 2026-09-18T05:30:00Z

    Cantrill's founding essay: 'together with Steve Tuck and Jess Frazelle, we have started Oxide Computer Company' — plus Eclipse Ventures, Pierre Lamond's board seat, and the Tracy Kidder homage.

  32. Born in a GarageJessie Frazelle (personal blog) · 2019 · first person · article · accessed 2026-09-18T05:30:00Z

    Frazelle's founding essay — the three founders, the early raise, the literal garage office.

  33. A New ChapterRobert Mustacchi (personal blog) · 2019 · first person · article · accessed 2026-09-18T05:30:00Z

    Founding engineer Robert Mustacchi's announcement that he was joining Oxide.

  34. A New MachineJoshua Clulow (personal blog) · 2019 · first person · article · accessed 2026-09-18T05:30:00Z

    Founding engineer Joshua Clulow's announcement — the ex-Joyent/illumos lineage in person.

  35. The New ThingPatrick Mooney (personal blog) · 2019 · first person · article · accessed 2026-09-18T05:30:00Z

    Founding engineer Patrick Mooney's announcement post.

  36. Stepping into CEOZoo (KittyCAD) · 2022 · first person · article · accessed 2026-09-18T05:30:00Z

    Frazelle on taking the CEO role at the company she co-founded after Oxide — records her departure to found KittyCAD.

  37. Shipping Oxide with Bryan CantrillSoftware Engineering Daily · 2023 · interview · audio · accessed 2026-09-18T05:30:00Z

    Cantrill interviewed on the rack build-out — 'nine startups within one startup' territory.

  38. The history of servers, the cloud, and Oxide — with Bryan CantrillThe Pragmatic Engineer · 2025 · interview · audio · accessed 2026-09-18T05:30:00Z

    A long podcast interview with Cantrill on servers, the cloud, and why Oxide builds the whole rack.

  39. Oxide Computer Company Launches to Bring Hyperscaler-Class Infrastructure to Everyone ElseInfoQ · 2019 · reporting · article · accessed 2026-09-18T05:30:00Z

    Independent launch-day reporting — the mission framed as hyperscaler infrastructure for the rest of the market.

  40. In Pursuit of a Superior Server, Oxide Computer Ships Its First RackThe New Stack · 2023 · reporting · article · accessed 2026-09-18T05:30:00Z

    Reports the first customer rack shipped June 30, 2023 — a nine-foot, ~3,000-pound integrated system.

  41. Oxide is the latest startup to try and bring the power of the cloud on-premTechCrunch · 2023 · reporting · article · accessed 2026-09-18T05:30:00Z

    Independent coverage of the Cloud Computer unveiling and the $44M round.

  42. Oxide raises $44 million for cloud computingAxios · 2023 · reporting · article · accessed 2026-09-18T05:30:00Z

    Confirms the $44M Series A and participating investors.

  43. Oxide on-prem cloud computer reinvents the server rackBlocks & Files · 2023 · reporting · article · accessed 2026-09-18T05:30:00Z

    Technical coverage of the rack: roughly four-hour setup claims, named customers including Idaho National Laboratory.

  44. Startup Oxide Computing seeks to put the cloud back in private cloudsNetwork World · 2023 · reporting · article · accessed 2026-09-18T05:30:00Z

    Reports the first product shipping in July 2023, the 32-sled rack architecture, and Idaho National Laboratory as a named customer.

  45. Cloud server startup Oxide Computing raises $100 millionReuters · 2025 · reporting · article · accessed 2026-09-18T05:30:00Z

    Confirms the $100M round led by Thomas Tull's US Innovative Technology Fund, with Counterpart, Eclipse, Intel Capital, Rally, and Riot participating.

  46. Cloud server maker Oxide Computer raises $200 million led by USITAxios Pro · 2026 · reporting · article · accessed 2026-09-18T05:30:00Z

    Independent reporting on the Series C.

  47. Oxide Computer Company secures $200m in fundingData Center Dynamics · 2026 · reporting · article · accessed 2026-09-18T05:30:00Z

    Reports the Series C and frames the round as roughly doubling total funding — to about $378M — for the second time.

  48. Oxide Computer Company Raises $100M in Series B FundingFinSMEs · 2025 · reporting · article · accessed 2026-09-18T05:30:00Z

    Trade-press funding coverage of the Series B.

  49. Startups on hard mode: Oxide. Part 1: HardwareThe Pragmatic Engineer · 2024 · reporting · article · accessed 2026-09-18T05:30:00Z

    Deep reported look at Oxide's hardware — part one of the two-part profile.

  50. Startups on hard mode: Oxide. Part 2: Software & CultureThe Pragmatic Engineer · 2024 · reporting · article · accessed 2026-09-18T05:30:00Z

    Part two — the software stack (Rust control plane, illumos host, Hubris) and the culture, including the uniform-salary model.

  51. Cloud infrastructure on demand: Oxide's mission to build the alternative to public cloudEclipse · reporting · article · accessed 2026-09-18T05:30:00Z

    The lead investor's own writeup — names Shopify, Switch, and Lawrence Livermore among customers.

  52. Oxide Unveils the World's First Commercial Cloud ComputerIntel Capital · 2023 · archive · article · accessed 2026-09-18T05:30:00Z

    The investor's syndication of the announcement — corroborates Intel Capital's participation in the Series A.

  53. Oxide and Friends S3E19 transcript (mirror)Castro · archive · transcript · accessed 2026-09-18T05:30:00Z

    Third-party mirror carrying the episode transcript with the 'cloud computing not as renting someone else's computers' line.

  54. Oxide Computer Company — PitchBook profilePitchBook · reference · dataset · accessed 2026-09-18T05:30:00Z

    Aggregator profile — company status, financing history, and employee-count estimates; treated as reference, not authority.

  55. Oxide Computer Company — CB InsightsCB Insights · reference · dataset · accessed 2026-09-18T05:30:00Z

    Aggregator profile for funding and headcount triangulation.

  56. Oxide Computer Company — LinkedInLinkedIn · reference · webpage · accessed 2026-09-18T05:30:00Z

    Self-reported company profile: Emeryville HQ, employee band, and Jessie Frazelle still listed as 'Co-Founder (Current)' as of the packet date.

  57. Oxide Computer Co. — seed funding roundSeedtable · reference · dataset · accessed 2026-09-18T05:30:00Z

    Reports a ~$20M seed round in early December 2019 — an aggregator figure the company itself never confirmed.

  58. Oxide Computer Company — YesPress profileYesPress · reference · webpage · accessed 2026-09-18T05:30:00Z

    Third-party company profile that tracks the compensation model's evolution (from ~$201K toward $275K) and podcast-driven notoriety.

  59. Bryan CantrillWikipedia · reference · article · accessed 2026-09-18T05:30:00Z

    CTO/co-founder: DTrace co-creator at Sun, Joyent CTO, then Oxide.

  60. Adam Leventhal (programmer)Wikipedia · reference · article · accessed 2026-09-18T05:30:00Z

    Another DTrace co-author turned Oxide engineer — and co-host of Oxide and Friends.

  61. IllumosWikipedia · reference · article · accessed 2026-09-18T05:30:00Z

    Context reference for the illumos lineage underlying Helios.

  62. Oxide — Eclipse portfolioEclipse · reference · webpage · accessed 2026-09-18T05:30:00Z

    The lead investor's portfolio listing.

  63. Jessie Frazelle — KittyCAD org chartThe Org · reference · webpage · accessed 2026-09-18T05:30:00Z

    Records Frazelle as Oxide CPO September 2019–July 2022, then KittyCAD/Zoo co-founder and CEO.

Coverage and method

Scope as of
Coverage supplied by the publisher
  • history
  • funding
  • products
  • engineering-culture
  • open-source
  • customers
  • media
Method
public-person-index-v1
Tool
soulscrape
Contributors
  • Soulscrape research workflow
Assembled
Human review
No review status or review date is supplied. An assembly timestamp does not establish human review.
Open questions
See the supplied open questions

Open questions