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Operator · New York, NY · Specialised GPU clouds, hourly rental, pods and inference

Fluidstack

US-headquartered, UK-incorporated AI infrastructure provider that builds and operates large dedicated GPU clusters (managed Kubernetes and Slurm on bare metal) for frontier AI labs under contract; no public price list or self-serve catalogue.

GPU types0with a current offer
Current offers0no price reading on file
H100 from—per GPU-hour, on-demand
Entry price—cheapest GPU-hour listed
Countries13 named regions
Trust Score v0.1
62/100
  • Company & track record73
  • Infrastructure control100
  • Pricing & billing transparency45
  • Reliability signals75
  • Security & compliance20
  • Customer signal—

Scored Sep 29, 2026 from the provider's own pages. Dimensions not yet measured are excluded from the denominator. Criteria ↓

Providers with readings →fluidstack.io ↗
Trust Score · 5 of 6 dimensions measured

The score, criterion by criterion

Each point comes from something the provider publishes, with the page it was read on and the date. Anything not disclosed earns zero.

Company & track record
weight 15%
73 / 100
Founding year publishednot disclosedfluidstack.io · Sep 29, 20260 / 4
Headquarters publishedFLUIDSTACK LTDfluidstack.io · Sep 29, 20263 / 3
Legal entity namedFLUIDSTACK LTDfluidstack.io · Sep 29, 20264 / 4
Funding or ownership disclosedPrivate. Company announced an 830M USD Series A at a 7.5B USD valuation, led by Situational Awareness (news post dated July 20, 2026).fluidstack.io · Sep 29, 20264 / 4
Infrastructure control
weight 15%
100 / 100
Capacity model publishedoperates or rents dedicated capacityfluidstack.io · Sep 29, 202610 / 10
Regions published3 regions or countriesfluidstack.io · Sep 29, 20265 / 5
Pricing & billing transparency
weight 20%
45 / 100
Public prices without an accountyes (read on the pricing page)fluidstack.io · Sep 29, 20265 / 5
Billing granularity publishedmixedfluidstack.io · Sep 29, 20264 / 4
Egress policy publishednot disclosedfluidstack.io · Sep 29, 20260 / 4
Stopped-instance billing publishednot disclosedfluidstack.io · Sep 29, 20260 / 4
Public IPv4 policy publishednot disclosedfluidstack.io · Sep 29, 20260 / 3
Reliability signals
weight 20%
75 / 100
Status pagehttps://status.fluidstack.iofluidstack.io · Sep 29, 20266 / 6
SLA published99% monthly network availability by default (Terms Schedule 1, unless the Order specifies otherwise); service credits only where an Order provides them, no cash refundsfluidstack.io · Sep 29, 20266 / 6
SLA with a numeric uptime commitment99% monthly network availability by default (Terms Schedule 1, unless the Order specifies otherwise); service credits only where an Order provides them, no cash refundsfluidstack.io · Sep 29, 20263 / 3
Uptime history publishednot disclosedfluidstack.io · Sep 29, 20260 / 5
Observed availability (30 days)not measured yet—
Security & compliance
weight 15%
20 / 100
SOC 2not disclosedfluidstack.io · Sep 29, 20260 / 8
ISO 27001not disclosedfluidstack.io · Sep 29, 20260 / 4
HIPAA or GDPR DPAyes: Data Protection Addendum published (UK GDPR / EU GDPR, Article 28 audit rights, sub-processor list)fluidstack.io · Sep 29, 20263 / 3
Customer signal
weight 15%
not measured
Aggregated public reviewsnot collected yet—
provisional v0.1: evidence from the provider's own pages; dimensions not yet measured are excluded from the denominatorFull method →
True cost & billing · read Sep 29, 2026

What the hourly price does not say

Billing granularity, minimums, what a stopped machine costs, traffic, addresses, deposits and identity checks, as published by the provider.

Billing

Billing granularity
mixed
Minimum charge
not published
Stopped instance
not published
Egress
not published
Public IPv4
not published
Billing model
prepaid (Terms: fees payable in advance unless the Order states otherwise; per-minute or per-hour services may require an advance deposit)
Minimum deposit
not published
Free credits
not published

Account

Payment
card · invoice · crypto (not published)
Sign-up
email (or Google login) for the console, signed Order naming the customer individual or entity, customer sanctions/export-control representations
Identity check
sales contract
Support
support team (contact route not published), Technical Account Manager
Enterprise support
not published
SLA
99% monthly network availability by default (Terms Schedule 1, unless the Order specifies otherwise); service credits only where an Order provides them, no cash refunds
Published uptime
not published

Infrastructure

Regions
3 named regions in 1 countriesCameron County campus (under construction · first phase planned up to 1.5 GW) (United States) · Custom data centers for Anthropic (sites coming online through 2026) (United States)
Countries
United States
Platform
API, CLI, SSH, custom Docker images, spot or interruptible, bare metalKubernetes: managedInterconnect: NVLink and NVSwitch (monitored by Lighthouse health checks); network fabric bandwidth not publishedClusters: Managed Kubernetes and managed Slurm on bare metal; cannot be provisioned via API, provisioning through support. Topology-aware scheduling on Slurm.
Storage
not published
Migration out
Workloads run as containers on managed Kubernetes (kubeconfig via fluidctl, ServiceAccount tokens for CI/CD) or as Slurm jobs with Pyxis/Enroot containers, so container images and job scripts are portable. Data export tooling, storage products and egress fees are not documented publicly; under the Terms, Customer Data may be deleted on termination, so data must be moved out before the contract ends. The Non-Circumvention clause bars contracting Fluidstack's suppliers directly for 12 months after the contract.

Security & compliance

SOC 2
not published
ISO 27001
not published
HIPAA
not published
GDPR / DPA
yes: Data Protection Addendum published (UK GDPR / EU GDPR, Article 28 audit rights, sub-processor list)
Other
DPA states copies of the latest third-party certifications and audits are provided on request; none are named publicly.
Legal entity
FLUIDSTACK LTD
Funding
Private. Company announced an 830M USD Series A at a 7.5B USD valuation, led by Situational Awareness (news post dated July 20, 2026).
Read on the provider's own pages · 25 pages read · facts marked "not published" were looked for and not foundPages read ↓
Assessment · documents read Sep 29, 2026

Fluidstack, in short

What stood out when we read the documents: strengths, weaknesses, who it suits, and what we could not find.

Strengths

  • Operates at data-center scale: 50B USD custom data center deal with Anthropic in New York and Texas (Nov 2025 announcement) and a 4B USD, up to 1.5 GW first phase under construction in Cameron County, Texas (Sep 2026).
  • Managed Kubernetes and managed Slurm on bare metal with NVIDIA GPU Operator and Network Operator support, Pyxis/Enroot, topology-aware scheduling.
  • Lighthouse observability suite: managed Grafana dashboards, DCGM passive health checks (PCIe, ECC, thermal, power, NVLink, NVSwitch), active DCGM diagnostics and auto-remediation (preview).
  • SSO for the console with Okta, Entra ID, Google Workspace, ADFS, PingFederate, Keycloak, custom SAML 2.0 and OIDC, available to all customers.
  • Public regional Infrastructure API and global Management API (v1alpha1, OpenAPI) plus fluidctl CLI (Homebrew, macOS/Linux/Windows); instances support preemptible and ephemeral flags.
  • Company reports a SemiAnalysis ClusterMAX 2.0 Gold rating on its own news page.

Weaknesses

  • No public price list: fluidstack.io/pricing returns 404 and no GPU price is published anywhere on the official site or docs.
  • No self-serve GPU catalogue: the only GPU configuration visible in docs is an API example (h100.8x, 8x H100 SXM5 80GB, 96 CPU, 960Gi memory).
  • Kubernetes and Slurm clusters cannot be provisioned via API; they require contacting support.
  • Default contractual SLA is 99% monthly network availability, measured at border routers and core switches; credits apply only if an Order provides them.
  • Fees are non-cancellable and non-refundable unless the Order states otherwise; renewal price increases of at least 3% compounded or CPI are allowed with 30 days notice.
  • No named SOC 2 or ISO 27001 report on public pages; no crypto payment option published.

Ideal for

  • AI labs and large enterprises contracting dedicated multi-thousand-GPU clusters with a managed Kubernetes or Slurm layer and a named account manager.
  • Not suited to individuals or small teams seeking self-serve, hourly GPU rental with a visible price.

Not published

  • All GPU prices (on-demand, preemptible, reserved): not published on fluidstack.io, docs.fluidstack.io or any public official page on 2026-09-29
  • pricing is set in customer Orders.
  • Full GPU catalogue: only H100 SXM5 80GB appears (as the h100.8x example in the Infrastructure API reference)
  • Billing granularity actually applied, storage products and prices, egress, IPv4, stopped-instance charges: not published.
  • Crypto payments: Terms mention bank transfer in USD and credit card via Stripe
  • crypto is not mentioned.
  • Named region list: the Management API exposes GET /regions but region names are not published
  • only announced data center sites (New York State, Texas, Cameron County) are public.
  • SOC 2 / ISO 27001 / HIPAA status: not published
  • DPA offers certifications on request.
  • Founding year: not stated on the official pages read.
  • Terraform provider: none found in docs or the fluidstackio GitHub organisation (no provider repository listed on 2026-09-29).
  • Persistent volumes, snapshots, Jupyter: not documented.

Observations

The home page is a mission and recruiting page ('We build compute faster than anyone on the planet', 'Open roles'); it does not describe a GPU product or prices.

https://www.fluidstack.io/pricing redirects to fluidstack.io/pricing and returns a 404 page.

Site navigation is limited to Mission, Challenges, Community, News, Open roles, Legal; product documentation lives on docs.fluidstack.io and the console (console.fluidstack.io) is behind an Auth0 login with email or Google.

Footer states 'BUILT IN THE USA' and '©2026 Fluidstack Ltd.'

Pages read

Questions about Fluidstack

How does Fluidstack bill?

Billing granularity: mixed.

How trustworthy is Fluidstack?

Its Trust Score is 62/100 (v0.1), read from its own documents. Strong on infrastructure control. Weaker on pricing & billing transparency, security & compliance. The score measures transparency and published guarantees, not customer satisfaction; every criterion and its source is listed above.

Where are Fluidstack's data centres?

3 named regions in 1 countries: United States.

How do you pay Fluidstack, and are there credits?

Payment by card, invoice, crypto. No sign-up credit is published. Identity check: sales contract.