AI Development

Custom AI Development

Production AI software you can bet a business on — not a notebook demo that impresses in a meeting and falls over in the wild

Most 'AI solutions' work exactly once, on the happy path, in a controlled demo. Then real users, real data, and real edge cases arrive, and the whole thing quietly breaks. We build the other kind: LLM applications, RAG systems, custom models, and agents engineered like the software they are — with data pipelines, retrieval, evaluation, guardrails, monitoring, and a real deployment behind them. We're an engineering shop that added AI to a build practice, not a consultancy that rebranded. The engagement ends with working software running in your stack, not a strategy deck.

Why it matters

The demo is the easy 20%. Production is the 80% nobody shows you

Wiring an LLM to a prompt and getting a good answer takes an afternoon. That's the part everyone can do now, and it's why your inbox is full of AI pilots that never shipped. The hard part — the part that decides whether the thing survives contact with your business — is everything after the demo: grounding the model in your actual data so it stops making things up, evaluating outputs so you know the moment quality slips, adding guardrails so it can't leak data or go off the rails, and deploying it so it stays up, stays fast, and stays affordable at real volume.

That gap is where most AI projects die. A model that's right 85% of the time is a great demo and a liability in production, because the 15% is where the lawsuit, the wrong medical summary, or the six-figure hallucinated refund lives. Engineering the distance between 85% and dependable is not a prompt-tuning exercise — it's software architecture: retrieval you can trust, evaluation you can measure, fallbacks for when the model is wrong, and observability so you find out before your customers do.

That's the work we do. We treat an AI feature the way we'd treat a payments system — because when it's making decisions about your customers, your money, or your compliance, it deserves the same rigor. The result is AI that earns its place in your product instead of sitting in a slide deck as a pilot that quietly stalled at the proof-of-concept stage.

The full scope

What custom AI development actually involves

Chatbots, copilots, and agents built like real software, not prompt experiments

An LLM feature is only as good as the engineering around it. We build assistants, internal copilots, and multi-step agents with the unglamorous parts done right: structured prompts under version control, tool and function calling that connects the model to your systems, streaming responses, retries and fallbacks when the model fails, and cost controls so token spend doesn't quietly balloon. The model is one component in a system we can test, monitor, and improve — not a black box you cross your fingers over.

  1. Chatbots, copilots, and customer-facing assistants
  2. Tool and function calling wired into your real systems
  3. Multi-step agents with planning, memory, and handoffs
  4. Streaming, retries, fallbacks, and graceful degradation
  5. Token-cost controls and model routing by task

Grounding the model in your data so it answers from truth, not imagination

Retrieval-augmented generation is how you stop an LLM from confidently inventing answers — you ground it in your documents, your database, your knowledge base. But naive RAG (chunk everything, embed it, hope for the best) fails constantly. We engineer the retrieval layer properly: smart chunking tuned to your content, the right embedding model, hybrid keyword-plus-vector search, reranking, and citation so every answer traces back to a source your users can verify.

  1. Document ingestion and chunking tuned to your content
  2. Vector databases plus hybrid keyword search
  3. Reranking so the best context wins, not just the nearest
  4. Source citations on every answer for verifiability
  5. Freshness pipelines so the index reflects current data

When an off-the-shelf model isn't enough, we train one that fits

Not every problem is a prompt away from solved. Sometimes you need a model that speaks your domain's language, classifies your specific categories, or runs cheaply at scale. We fine-tune LLMs on your data, train classical ML models for classification, extraction, and prediction, and evaluate honestly — because a custom model is only worth building if it measurably beats the simpler option. We'll tell you when fine-tuning is the answer and when a better prompt is.

  1. LLM fine-tuning on your domain data and tone
  2. Classification, extraction, scoring, and prediction models
  3. Honest baselines: fine-tune only when it beats prompting
  4. Smaller, cheaper models distilled for scale
  5. Held-out evaluation before anything ships

Knowing when the model is wrong — before your users do

The difference between a toy and a production system is that a production system knows its own quality. We build evaluation harnesses that score outputs against test sets, so a prompt change or model upgrade can't silently degrade quality. We add guardrails against prompt injection, data leakage, and off-topic or unsafe responses, plus human-in-the-loop review where the stakes demand it. You get AI you can trust because it's measured, not assumed.

  1. Automated eval sets that catch quality regressions
  2. Guardrails against prompt injection and data leakage
  3. PII handling and output filtering for sensitive domains
  4. Human-in-the-loop review for high-stakes decisions
  5. Confidence signals and safe fallbacks when unsure

Getting it live, keeping it fast, and keeping it affordable at scale

A model on a laptop helps no one. We ship AI into real infrastructure: APIs, autoscaling, caching to cut latency and cost, monitoring and alerting on quality and spend, and CI/CD so improvements roll out safely. This is the step where AI pilots go to die — and it's the step we're built for, because we're an engineering shop first. We deploy it, we monitor it, and we're there when it needs to change.

  1. API deployment with autoscaling and rate limits
  2. Caching and model routing to cut latency and cost
  3. Monitoring on quality, latency, and token spend
  4. CI/CD so model and prompt changes ship safely
  5. Logging and observability for every request
Engineers who ship

The build discipline behind AI software that actually reaches production

3.1B
search impressions earned for our clients
43M
clicks driven to client websites
4.5M
keywords ranked across client sites
1.2M
pages ranked in Google
The AI dev stack

What we build production AI on

Best-of-breed models wired into real, maintainable software.

OpenAI
OpenAI GPT
Anthropic
Anthropic Claude
LangChain
LangChain LLM apps
LangGraph
LangGraph Agents
PyTorch
PyTorch ML
TensorFlow
TensorFlow ML
Hugging Face
Hugging Face Models
Python
Python Core
FastAPI
FastAPI APIs
Node.js
Node.js Back end
TypeScript
TypeScript Typed JS
PostgreSQL
PostgreSQL Vector DB
Supabase
Supabase Backend
Docker
Docker Deploy
AWS
AWS Cloud
Vercel
Vercel Hosting
How we work

How a Swarm AI build runs

01

We find out whether AI is even the right tool

Half of good AI work is talking clients out of AI they don't need. We start with the problem, the data you have, and the bar for 'good enough' — then scope only what will actually pay off. If a rules engine or a simpler feature wins, we say so before you spend a dollar building a model.

Problem and data audit

What you're solving and whether your data can support it.

Feasibility and honest bar

What accuracy is achievable and what's required to ship.

Buy-vs-build call

Off-the-shelf, prompt, RAG, or custom model — the right one.

02

We architect the system, not just the prompt

Before writing code we design the whole pipeline: where data comes from, how retrieval works, how outputs are evaluated, where guardrails live, and how it deploys. AI failures are usually architecture failures, so we get the architecture right first.

Data and retrieval design

Pipelines, embeddings, and the retrieval strategy.

Evaluation plan

How we'll measure quality before anyone trusts it.

Guardrail and cost model

Safety, fallbacks, and a token budget that holds at scale.

03

We write it, test it, and wire it into your stack

This is where we ship. We build the application, integrate it with your systems and data, and validate every output against the eval set — tested in staging before it touches production. Working software, not a proof of concept you inherit.

Real integration

Connected to your data, tools, and systems — not a sandbox.

Eval-gated build

Every change checked against the quality benchmark.

Staging first

Validated in staging before it reaches your users.

04

We watch quality, cost, and drift — and keep improving it

AI systems degrade quietly as data shifts and models change. We monitor output quality, latency, and spend, catch drift before it hurts, and iterate as your needs and the models evolve. The launch is the start, not the finish.

Quality and drift monitoring

Alerts when outputs slip below the bar.

Cost and latency tracking

Spend and speed watched in production.

Continuous iteration

New models and features rolled in as they mature.

The difference

We deploy the AI and stand behind it — the pilot doesn't end in a slide deck

Most AI vendors are consultants who advise, prototype, and hand you a proof of concept you now have to somehow ship yourself. We're the engineering team that builds it, integrates it, deploys it to production, and keeps it running. We also rebuild AI-prototyped 'vibe-coded' apps into software you can actually operate — something almost nobody else offers. If you've got an AI idea stuck at the demo stage, the missing piece is usually an engineer.

Talk to an AI engineer
By industry

What custom AI development looks like in your industry

SaaS & Tech

SaaS teams want AI features in the product — copilots, natural-language search, smart automations — but shipping them means real infrastructure, not a wrapped API call that breaks at scale.

We build in-product AI copilots and agents grounded in your data, with the retrieval, evaluation, caching, and cost controls to run at customer volume. The feature ships into your app and stays fast and affordable as usage grows.

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Healthcare

Healthcare AI lives in a YMYL, HIPAA world where a hallucinated summary or leaked record isn't a bug — it's a violation. The stakes make guardrails and evaluation non-negotiable.

We build clinical documentation, intake, and knowledge tools with strict PII handling, source citation, human-in-the-loop review, and evaluation harnesses that prove quality before anything reaches a patient or provider.

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Finance

Financial services need AI that's auditable and defensible — every answer traceable, every decision explainable, and nothing that can leak data or invent a number.

We build RAG systems over financial documents, risk and fraud classification models, and analysis copilots with full citation, audit logging, and guardrails — so outputs stand up to compliance and to your own risk team.

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Legal

Law firms sit on huge document libraries and want AI to search, summarize, and draft — but a confidently wrong citation is a professional hazard, not a minor error.

We build retrieval and drafting tools grounded strictly in your documents and matter files, with source citation on every claim and guardrails against fabrication, so attorneys get leverage without inheriting hallucination risk.

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Logistics

Logistics runs on messy, high-volume data — routes, shipments, exceptions, documents — where the win is automation and prediction at scale, not a chat window.

We build document-extraction pipelines, exception-handling agents, and predictive models that plug into your operational systems, engineered to run continuously on real throughput rather than one-off batches.

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B2B Services

B2B teams want AI to automate the repetitive middle of the business — proposals, research, qualification, support — without a fragile automation that needs babysitting.

We build agents and automations wired into your CRM, docs, and tools, with fallbacks and monitoring so they run unattended and hand off to a human when confidence drops, not when the customer complains.

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What you get

What you actually walk away with

Working software in production

A deployed AI system integrated with your stack — not a notebook, a demo, or a proof of concept you have to ship yourself.

Evaluation you can trust

An eval harness that scores quality on real test data, so you know when the system is right and catch it when it slips.

Guardrails and monitoring

Protection against injection, leakage, and drift, plus alerting on quality, latency, and cost — running from day one.

A codebase you own

Clean, documented, maintainable code and infrastructure — yours to run, extend, and hand to any engineer, no lock-in.

Common questions

Frequently Asked Questions

How are you different from an AI consultant?

Consultants advise, prototype, and hand you a plan or a proof of concept you then have to build and ship on your own. We're an engineering shop — we design, build, integrate, deploy, and maintain the actual software. The engagement ends with working AI running in production, not a strategy deck or a demo.

We had something 'vibe-coded' with an AI tool and it's a mess. Can you fix it?

Yes — this is one of the things almost nobody else offers. AI-prototyped apps are great for proving an idea and terrible as production software: no tests, no error handling, security holes, and code that breaks the moment you change it. We rebuild them into maintainable, secure, production-grade software while keeping what works about the concept.

Do we actually need custom AI, or is off-the-shelf fine?

Often off-the-shelf is fine, and we'll tell you when it is — talking clients out of AI they don't need is part of the job. Custom development earns its cost when you need the model grounded in your private data, integrated into your systems, held to a quality bar a generic tool can't meet, or run affordably at scale. We scope to the real problem, not the hype.

How do you keep the AI from hallucinating or leaking data?

Two layers. Grounding — retrieval that ties answers to your real sources with citations, so the model answers from truth instead of inventing. And guardrails — evaluation harnesses that measure quality, filters against prompt injection and PII leakage, and human-in-the-loop review where the stakes require it. We engineer for the failure cases, not just the happy path.

What does a typical AI development engagement cost and take?

It depends on scope, but we start small and prove value before scaling. A focused RAG assistant or automation can ship in weeks; a fine-tuned model or a multi-agent system with strict compliance needs takes longer. We scope in phases so you see working software early and decide what's worth building further — no giant upfront commitment for an unproven idea.

How does this connect to your other services?

AI development sits inside a full build practice. It pairs naturally with our website development for in-product AI features, and with our AI SEO and GEO services when the goal is getting cited by AI search engines. If you're not sure which you need, start with our broader AI services overview and we'll point you to the right one.

Get started

Let's build AI you can actually ship

Tell us the problem you're trying to solve. We'll tell you honestly whether AI is the right tool, what it would take to build it right, and how to get it into production — as working software, not another pilot that never leaves the demo.