nestonexStart a project
Intelligent systems

Generative AI integrations that do useful work

Nestonex integrates generative AI into applications and internal workflows, including knowledge assistants, document processing, drafting tools, and content generation. The integration connects model capabilities to the right information, permissions, and review steps.

Discuss this service

A generative AI integration puts a language model inside a product or workflow to do one defined job — answering from your own material, processing documents, drafting text, or taking an approved action. The work is the boundary around it: what it may access, what it must refuse, and how you check it stayed useful.

Is this the right
starting point?

This service fits teams that want to add an AI capability to an existing product or replace a repetitive manual step. It starts with a bounded task rather than an open-ended assistant expected to handle every request.

THE SCOPE /

What an engagement can include

01

Workflow and model selection

A defined task, provider requirements, cost assumptions, and a comparison of suitable approaches.

02

Knowledge and retrieval

Document ingestion, retrieval behavior, source references, and access boundaries when the use case needs company knowledge.

03

Application integration

Prompt and response handling, structured outputs, approved tool actions, and a clear user interface.

04

Evaluation and maintenance

Test cases, failure handling, monitoring, and a procedure for checking changes to models, prompts, and source material.

The proposal defines the final deliverables, responsibilities, and acceptance criteria.

What does a generative AI integration actually cover?

Four things, usually in this order. First, the task: what the system should answer, what it should refuse, and what it should hand to a person. That decision drives everything after it, and getting it wrong is the most expensive mistake available, because it is the one you only discover in production.

Second, the knowledge. If the assistant needs your material to be useful, that material has to be ingested, chunked, retrieved and attributed, with access boundaries that match the ones already in your product. A retrieval layer that ignores permissions is a data-leak waiting for its first curious user.

Third, the integration itself: prompts and responses, structured outputs your code can rely on, tool actions the model is allowed to call, and an interface that makes it obvious which parts of an answer came from a source and which did not.

Fourth, evaluation and maintenance. A set of representative requests, the refusal cases, the citation checks, and a way to notice when a new model version or an edited prompt quietly changes behaviour. Without that last part you have a demo, not a feature.

When is generative AI the wrong tool?

When a rule would do. If the task is deterministic — routing on a field, validating a format, calculating a total — a language model adds cost, latency and a failure mode you did not previously have. We will say so before proposing one.

When nobody owns the data question. If it is unclear who may see which documents, or what the retention terms of your chosen provider are, retrieval will inherit that ambiguity and amplify it.

When there is no review path and the action has consequences. A model that drafts a reply is very different from a model that sends one. The second needs approvals, limits and an audit trail before it is worth building, not after.

And when the brief is "AI everywhere" with no acceptance criteria. An assistant expected to handle every request from every department cannot be evaluated, so it cannot be improved. Scoped assistants tied to a clear task are easier to build, easier to trust, and far easier to extend once they have earned it.

How does a bounded task become a production release?

We start with real requests, not imagined ones. Twenty or thirty things people actually ask, sorted into answer, refuse, and escalate. That list becomes the evaluation set, and it is the single most useful artefact of the whole engagement — it outlives the prompt, the model and often the vendor.

A prototype then tests the approach against your own material rather than a public benchmark. This is where retrieval quality gets settled: whether chunking suits your documents, whether citations point somewhere a reader can verify, and whether the honest answer to a large share of questions is "I don't have that".

Production adds what a prototype can skip. Permissions that mirror the host application, observability that lets you see what was retrieved as well as what was said, rate and cost controls, and a documented procedure for changing models, prompts or sources without shipping a regression.

We have built the pieces this depends on. MarketSync parses trading signals with a fast-path parser and a language-model fallback, because most messages do not need a model and the ones that do should not block the ones that do not. ProTrader's coach is given a member's own computed numbers and guardrails that refuse trade recommendations outright. Axon Wallet lets a model propose a typed intent and nothing else — the intent then passes the same schema validation, policy limits and two-factor gate as any other API call. In each case the interesting engineering is the boundary, not the prompt.

What drives the cost of an AI integration?

Source quality first. Clean, current, well-structured material makes retrieval look easy; a decade of inconsistent documents makes it the bulk of the project. An honest estimate needs a look at the real corpus, not a description of it.

Then provider terms — pricing per token, data-retention policy, rate limits, and whether the model you want is available in the region you need. These belong in the architecture conversation on day one, because a retention clause can rule out an approach entirely.

Then the action surface. Reading is cheap to make safe. Writing is not. Every tool the model can call needs a schema, a limit, and a decision about whether a person approves it, and that work scales with the number of actions rather than the number of prompts.

Finally, prompt injection. Any system that reads untrusted text and can then act on it needs to assume that text is trying to steer it. Where a model can move money or change records, we design for that assumption rather than patching it later.

Who owns the result?

You do. Prompts, evaluation sets, retrieval configuration and operating runbooks are handed over, and the proposal says so explicitly rather than leaving it to be discovered at the end of an engagement.

We prefer arrangements you can operate without us. That means model access under your own account where practical, documented procedures for the routine changes, and an evaluation set your team can run. Provider abstraction can reduce the cost of switching later, but it does not remove it — models differ in behaviour, tool support, latency and output shape, so any switch still needs testing against your acceptance criteria.

From a clear brief
to a useful release.

We begin with representative requests and decide what the system should answer, refuse, or hand to a person. A prototype tests the chosen approach against your material. The production scope then adds permissions, observability, review, and operating controls.

What shapes the estimate

Provider pricing, data-retention terms, source quality, retrieval freshness, and prompt-injection risks belong in the architecture discussion. Connecting a model to business actions requires explicit limits and approval steps.

Prepare a stronger project brief
BEFORE WE BEGIN /

Common questions

What is a retrieval-based AI assistant?

It retrieves relevant material from a defined collection and uses that context when generating a response. Retrieval can make company information available to a model, but it does not eliminate the need to evaluate answers and check access controls.

Can an assistant cite its sources?

A workflow can be designed to attach references to the source material used for an answer. Those references should be checked during evaluation, and the interface should distinguish sourced information from unsupported output.

Can we switch model providers later?

Provider abstraction can reduce migration effort, but models differ in behavior, tools, latency, and output quality. A switch still needs testing against your acceptance criteria.

How do you decide if generative AI is the right fit?

We compare the task, the data access it needs, the review it requires, and the cost of a wrong answer against simpler automation. If a rules-based or conventional workflow meets the need with less operational risk, we recommend that instead and explain why.

What does evaluation include before launch?

Representative requests, refusal cases, citation checks where sources are shown, permission boundaries, and monitoring for regressions when prompts, models or source material change. The acceptance criteria are agreed in the proposal rather than settled after launch.

Do you build open-ended company-wide chatbots?

We prefer scoped assistants tied to a clear task and a defined collection. A broad ask-anything assistant needs stronger governance, better retrieval and a real escalation path, so it should be planned as that project rather than treated as the default starting point.

THE PROOF /

Where we have actually done this.

BEFORE YOU COMMIT /

Planning guides for this decision.