Rung 4 · Workflow + multi-cloud hours

Lightning AI

Sells the workflow — and now owns the metal.

Verified as of 4 July 2026  ·  official site: lightning.ai

HQ
New York, NY
Center of gravity
US fleet · global marketplace
Silicon
Multi · fleet: H100 / B200 / GB300
Contract shape
Seats + on-demand + reserved
The two-sided view

What Lightning AI sells — and what it buys

Atomic unit sold

Developer seats plus GPU-hours — both first-party (the ex–Voltage Park fleet) and third-party via a Multi-Cloud GPU Marketplace spanning 7+ providers including Lambda, Nebius, Nscale and the hyperscalers. One environment, any cloud, no rework.

What they buy

Demand routed into other clouds. Lightning is simultaneously a supplier and one of the largest demand aggregators for neoclouds — pre-merger it claimed marketplace arbitrage could cut AI costs by up to 70%.

Verified 4 July 2026

Scale proof

35,000+
GPUs in the fleet after the mid-2026 merger with Voltage Park — six US data centers across WA, VA, UT and TX, operating under the Lightning AI name
7+
compute providers accessible through the Multi-Cloud GPU Marketplace with cloud-agnostic storage and no ingress/egress fees between them
2015
origin of PyTorch Lightning — the framework layer a large share of the ML community already uses; NVIDIA-backed
2025
TensorDock GPU marketplace acquired by Voltage Park, now folded into the combined company
The strategy

The bet

That the workflow layer — Studios, orchestration, cloud-agnostic storage — is stickier than any individual GPU fleet, and that owning some supply fixes the marketplace’s chicken-and-egg problem.

Deal-making

Natural counterparty

Enterprise ML teams that want no-DevOps multi-cloud; and on the flip side, capacity providers who want to be listed as a supply source — for a capacity-hungry provider, getting into Lightning’s marketplace is a distribution channel.

Buyer fit

Choose Lightning AI when

Your team lives in PyTorch and wants portability across providers without rebuilding the stack.

Look elsewhere when

You need a bare-metal, single-provider megadeal at the lowest possible unit cost.

Private ledger

Five fields we track but don’t publish

Everything above is public and verifiable. The fields below change weekly and are verified directly with each provider — they live in a private supply-demand ledger, not on this page.

Available capacity, next 90 daysGPU type · quantity · location · online date
Effective price floorreserved · per-GPU-hour, at volume
Idle-inventory posturecurrent utilization pressure
Preferred deal structureattach terms · co-sell terms
Capacity-partnerships ownerthe person who signs
Ask about Lightning AI’s current posture → Answered case-by-case, with the provider’s consent.