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Service 01 · Core Systems

AI System Architecture

Model selection, inference pipeline design, and production-grade deployment — built to your load profile.

Vendor-neutral routingLatency & cost budgetsEval harness
AI System Architecture — modular inference topology and model routing diagram
The problem

Most enterprise AI projects fail not at the model, but at the system around it — latency budgets missed, cost overruns, no clear ownership between model and application. You need a system, not a demo.

Our approach

We design the full inference architecture — model choice, serving layer, caching, evaluation harness, cost controls — against your actual load profile, then ship it into production behind proper monitoring and rollback.

Use cases
  • Choosing and benchmarking a model provider against your actual latency, cost, and quality requirements
  • Designing a serving layer that survives traffic spikes without over-provisioning
  • Migrating from a single-vendor prototype to a resilient, multi-region inference topology
  • Building the cost-control layer so inference spend doesn't scale linearly with usage
Representative stack
Anthropic Claude, OpenAI, open-weight models via inference servicesTypeScript/Node or Python orchestration servicesVercel, AWS, or GCP for deploymentCustom eval harnesses tied to your load profile
How we engage

Typically starts as a Discovery engagement mapping your current latency and cost baseline, then a scoped Build to the target architecture.

Where you can see it

This is the discipline behind PegBit Core, our own production layer — a vendor-neutral inference architecture, battle-tested inside our own products, with product-isolated knowledge bases and per-user personalisation.

Have a problem shaped like this?

Tell us what you’re building and we’ll scope where AI System Architecture fits.