Substrate
Docs Request access
Production AI infrastructure

Serve any model at production scale.

Substrate is the inference layer that runs your models with sub-15 millisecond latency at a fraction of the cost. No clusters to manage, no kernels to tune.

Request access How it works

SOC 2 Type II · 99.99% uptime SLA · deploys in 12 regions

Trusted by teams shipping AI in production

The platform

Everything between your model and your users.

One endpoint, one bill, one place to reason about performance. We handle the hard parts: compilation, batching, autoscaling, and failover, so your team ships features instead of infrastructure.

01

One endpoint, every model

Serve open-weight, fine-tuned, and custom models behind a single stable API. Swap models without touching your app.

02

Sub-15ms p99, under load

Compiled kernels and continuous batching keep tail latency flat as traffic spikes, the number your users actually feel.

03

Pay for tokens, not idle GPUs

Autoscaling to zero means you're billed for what you serve. Not for a cluster sitting warm at 3 a.m.

Built on our own silicon

We build the chips so you don't think about them.

While everyone races to ship the next model, we quietly build the accelerator that runs it. Substrate's inference silicon is designed for one job: serving models at low latency and low cost, and it does that job better than general-purpose hardware.

You never see it. You just see the latency, and the bill.

Read the architecture
The Substrate inference accelerator, a custom silicon package with an indigo-lit edge.
<15ms
p99 latency at scale
40%
lower cost vs. GPU cloud
99.99%
measured uptime
12
regions, one API
Ship in an afternoon

If you can call an API, you can run inference.

No Dockerfiles, no CUDA, no capacity planning. Point Substrate at a model, get an endpoint, and send it traffic. The same call routes to the nearest region automatically.

Full API reference
POST /v1/infer
# one endpoint. any model. every region.
curl https://api.substrate.ai/v1/infer \
  -H "Authorization: Bearer $SUBSTRATE_KEY" \
  -d '{
    "model": "llama-3.1-70b",
    "input": "Summarize the attached contract."
  }'

# → 11ms to first token, billed per token
Global by default

One network, everywhere your users are.

Every request lands in the region closest to it. Failover is automatic and invisible. You deploy once; Substrate is already everywhere.

An abstract lattice of connected compute nodes with indigo-lit connection points.

Move your inference to Substrate.

Tell us what you're running today. We'll show you the latency and the bill on Substrate before you move a single request.

Request access Explore the platform