Independent · Measured · Proven

The independent meter for AI inference.

Cut your inference energy bill without losing a point of quality — and prove it. Joulity finds the cheapest way to run any model on any GPU, and measures energy and quality together so a "faster" config never silently breaks your model.

Proven — quality held, not promisedIndependent — every vendor, every chipAutonomous — an agent runs the search

The problem

Inference is the new cloud bill — and it runs blind.

The same model can cost up to 2× the energy per token, decided only by how it's configured.

Teams tune serving configs by hand — if at all — and can't sweep every runtime and parameter.

A config that looks cheaper can silently degrade quality, and almost nobody measures both at once.

So you either leave savings on the table, or take them and quietly ship a worse model.

What we built

An autonomous agent that finds the cheapest correct config — and proves it.

01

Deploy

A signed agent runs on your own GPU box. The model never leaves your building.

02

Sweep

It searches serving configs — batch, concurrency, quantization, runtime — guided by a reasoning engine.

03

Score

Every config is gated on energy AND measured quality. Configs that break quality are rejected.

04

Refine & monitor

It returns the best safe config, then keeps watching for quality drift over time.

Not a runtime. Not a benchmark. A referee that measures, proves, and protects quality.

Proof it works

Real measurements, on real hardware.

Anyone can claim −30% by quantizing harder — and silently break the model. Joulity proves the safe win and flags the trap.
BALANCEDPicked
Energy
−5% energy per token
Quality
quality held (≈ baseline)
AGGRESSIVERejected
Energy
−7% energy
Quality
quality slipped −2% · not shipped
SAFEAlternative
Energy
−3% energy
Quality
quality held · lowest risk

The −7% config looked best on energy — the quality gate caught that it cost quality, and chose the −5% that held. A naive optimizer ships the broken one. Joulity flags it.

Early measurements on a test rig. Bigger safe wins on modern GPUs — validating next.

Joulity dashboard
energy + quality · measured together
Joulity dashboard — energy and quality measured side-by-side

Why we're different

Everyone tunes for speed. Nobody proves quality.

Open auto-tuners
~
Cross-runtime
Gates on quality
Continuous monitoring
Independent service
Vendor config tools
Cross-runtime
Gates on quality
Continuous monitoring
Independent service
Research frameworks
~
Cross-runtime
~
Gates on quality
Continuous monitoring
Independent service
FinOps dashboards
Cross-runtime
Gates on quality
Continuous monitoring
~
Independent service
joulityus
Cross-runtime
Gates on quality
Continuous monitoring
Independent service

The gap nobody fills: an independent service that optimizes across runtimes AND guarantees the win didn't cost you quality.

Built on trust

Your model never leaves your building.

Structural neutrality

We never own a model or a runtime. We measure every vendor neutrally, so our verdict is trusted.

Your data stays put

Outbound-only, signed, auditable agent. Only fingerprinted results leave the box. Security is a feature, not an afterthought.

A compounding advantage

Every audit adds measured results across chips, models, and runtimes. The database compounds — and a single-vendor tool can't clone it.

Who it's for

If you pay the power bill, this is for you.

Neoclouds & GPU providers

More sellable tokens per megawatt, with independent efficiency proof.

Self-hosters & AI-native products

Cut inference cost without an in-house tuning team.

Sovereign & on-prem operators

Efficiency and quality proof, with your model never leaving your environment.

Get started

Back the meter the AI economy is missing.

We're onboarding a few design partners for free audits — no migration, no risk, you keep the findings.

The savings are proven before you change a line.