
Get your AI infrastructure right and scale with confidence.
You're already building AI. The question is what it's standing on. FullStack builds the five foundations underneath every AI application — models, routing, knowledge, governance, and the expert data that trains it all.














Get your AI infrastructure right and scale with confidence.
Our foundational AI offerings are built to work on their own, and to compound when you add more.

Specialized Models
AI Gateway & Model Routing
Enterprise Knowledge Access
Agent Security & Governance
Data Annotation & Model Training
Our client impact in action

AI Research Assistant Accelerates Client Journey
Lux Research, a research and advisory firm, faced a specific bottleneck: 75% of client inquiries took more than seven days to schedule manually. FullStack built an AI-powered assistant that delivers cited insights in seconds and matches clients to the right analyst, enabling instant scheduling.

AI Document Processing Cuts Costs by 50%
A logistics provider's legacy document system, estimated at over $1 million annually, was inefficient and unscalable. FullStack built a scalable AI solution that reduced processing times by 75% and cut costs in half while maintaining accuracy and reliability.

AI Call Auditor Automates 99% of Reviews
A regulatory compliance firm partnered with FullStack on a proof of concept for an AI system that reviews calls for potential SEC violations, scoring accuracy and confidence on every transcript. Reviewers went from reading every transcript to adjudicating the 1% the system flags — an estimated 5,500 labor hours and $232,000 a year of review capacity returned to the team.
What our clients are saying
Prove the foundation before you build on it.

Proof in one to four weeks
An audit, a modeled business case, or a first scored batch — depending on the foundation — before anything larger gets scoped.

Start with one, not five
The foundations compound, but they're not a bundle. Most clients begin wherever the pain is loudest and add the others as needs grow.

Own the layer that pays back
Owning the control plane is cheap and reversible. Owning model weights is only worth it when a data boundary or workload volume demands it — self-hosting a frontier-class open model runs roughly 10–11× more per token than the hosted version of the same weights. We'll tell you which side of that line you're on.

Benchmarked on your data, not ours
Published routing and model benchmarks don't transfer to your traffic. We rebuild the evaluation set on your real workloads, which is the only place the number means anything.
Explore FullStack's AI foundation services.
- Task-specific model training and fine-tuning
- Private and air-gapped model deployment
- AI gateway and control plane build
- Intelligent model routing and failover
- Cost attribution and AI FinOps instrumentation
- Permission-aware enterprise knowledge retrieval
- MCP server and custom connector development
- Agent identity, policy, and audit infrastructure
- Expert data annotation, RLHF, and benchmark design


