Sovereignty
Sovereign AI: what if it stayed under your control?
Adopting AI shouldn't mean handing your data, your strategy and your costs to a handful of US APIs. JustAI masters the entire chain — from GPU server to model — so the value stays with you.
Why it matters
Dependency is a risk few measure
Behind the convenience of an API call lie blind spots that cost dearly the day they close in.
Your data goes elsewhere
Every request to a third-party API exposes your documents, exchanges and business secrets to infrastructure beyond your control, often subject to the Cloud Act.
Your costs follow their pricing
Rising prices, models deprecated overnight, imposed quotas: your roadmap depends on decisions made without you.
Your expertise evaporates
Without mastering the stack, you consume AI without ever understanding it — impossible to audit, fix or improve what you don't control.
Infrastructure & inference
Our servers, our GPUs, our inference
We operate our own compute fleet, in colocation in France. Your models run on our GPUs, never routed through a third-party API or a shared cloud.
Our own GPUs
We bought our own GPU servers, sized for inference, with no opaque pooling. We control the entire chain, from hardware to model.
Colocation in France
Our GPUs are hosted in colocation in France, with a French provider. For LLM inference we depend on neither OVH nor Scaleway — out of Cloud Act reach, GDPR-compliant by design.
Controlled cost, zero telemetry
Owning our hardware lets us optimise inference cost. No data sent back to US services, no hidden training on your content.
Open-weight models & alignment
Open models, finetuned and aligned
We deploy open-weight models that we finetune on your use cases, then align so they behave by your rules — not those of a third-party vendor.
Open-weight
Open weights we host and orchestrate in-house: no black box, no proprietary lock-in.
Business finetuning
We specialise the model on your language, documents and processes for real relevance.
Controlled alignment
We govern the model's behaviour — what it accepts, refuses and prioritises — to your compliance requirements.
Research & publications
Statutory AI: our alignment research
Mastering AI also means contributing to research. Our Statutory AI paper, published and presented at the AIDT 2026 conference, proposes an alignment framework where model behaviour is governed by explicit, auditable legal norms — an extension of Anthropic's Constitutional AI.
- An alignment framework grounded in legal texts: explicit, public and verifiable rules rather than a hand-written constitution.
- Evaluated on 1,000 red-teaming prompts and five penal-law themes (discrimination, disclosure of confidential information, violence, fraud, abuse of vulnerable persons).
- Harmful content reduced by 52 to 59 percentage points, ~10 points better than standard Constitutional AI, while cutting computation time by half.
- Paper published (HAL, CC BY-SA) with open code: our safety guarantees are reproducible and auditable.
Residual vulnerability per model
% of harmful responses — lower is safer (judge: GPT-5).
Source: Statutory AI, figure 2 — AIDT 2026.
Brio, our sovereign platform
All this technological mastery takes shape in Brio: a collaborative, sovereign AI platform built by JustAI, hosted in Europe and compliant with ANSSI requirements.
Discover Brio