AI development services that ship features your users would miss
Hashlogics provides AI development services: senior engineers build custom AI solutions into real products and business systems for enterprises and startups, prove them against graded test cases, and keep them working after launch.
- 4.8 on Clutch across 22 reviews
- PremiumAudit.io: audit cycle cut 75%, calculation errors cut 95%
- In production for SmartREI, Tankaware, ZyloBase, KiwiWrite
The demo is the cheap part now. Any competent team can wire a model to a prompt and show something impressive on a Tuesday. What separates a feature from a science project is whether you can prove, in month four, that it is still right. That needs graded test cases you own, a record of every decision you can replay, and a named person whose phone rings when the numbers slip. Three things. We build the second one first, because the demo is worthless without it.
AI fails politely, which is the expensive way
Ordinary software fails loudly. Something throws, the run stops, someone gets paged and fixes it. AI does the opposite. It returns a confident, well-formatted answer that happens to be wrong, and the log records a success.
Your customer meets the failure before your team does. By the time somebody complains, the same mistake has been made a few thousand times and nobody can say when it started.
That is why the first thing we build is not the feature. It is the way you will find out the feature broke.
We published a ranked comparison of AI development companies, ourselves included and not at the top. Working with patient data? Our ranking of HIPAA-compliant AI development companies checks who states BAA terms and holds real certifications. Read it before you shortlist anyone.
What is running now
Counted, not estimated
9
production systems with AI doing real work
50+
ESG topics Greenlight scores per company
10-15
independent sources behind each Greenlight topic
60
days' minimum notice Anthropic gives before retiring a public model
What we actually build
Named systems, running for named clients. Not capability nouns.
AI that reads documents nobody wants to read
PremiumAudit.io runs the insurance premium audit lifecycle on Claude, with field mapping, validation and exception handling. A human auditor stays in the loop on every policy.
AI that gives tools to a model, safely
Go4Gr8 uses MCP in production so a leadership platform can track commitments through real tools. Each agent reaches only what it is scoped to touch, and nothing more.
AI that ranks high-stakes matches
TrialTriage ranks eligible oncology trials from de-identified patient data. Nurses review and finalise every result, with PHI masking and an audit trail across 23 tracked actions.
AI that answers the phone
ZhoopZhoop's voice agents take live customer calls over Twilio and book work while every tech is under a car. Deepgram handles speech and turn-taking, and staff see every transcript.
Enterprise AI solutions: permissions, audit trail, data residency and sign-off
Enterprise AI solutions fail on governance before they fail on accuracy. Your security team will ask who can see what, where the data sits, what the model may do alone, and how to prove what happened last Tuesday. We answer those in the design, not after the pilot.
TrialTriage shows the shape. It ranks oncology trials from de-identified patient data, nurses review and finalize every result, and the platform is HIPAA-aligned with TOTP multi-factor login and a 23-action audit trail. PremiumAudit runs insurance premium audits on the Claude API with a human auditor on every policy, and the client reports 75% faster audit cycles and 95% fewer calculation errors.
Data residency is a configuration you choose: the OpenAI API, the Claude API or AWS Bedrock in the region your contracts require, with traces in Langfuse so every answer can be replayed.
- 01Permissions scoped per role, never firm-wide.
- 02An audit trail of every model call and every human decision.
- 03Human sign-off on anything irreversible.
AI apps, and AI inside the app you already run
As an AI app development company, we build two shapes. A new AI product, like Go4Gr8, a multi-tenant AI coaching platform that moved off TypingMind onto a custom build. Or AI added inside a product your users already pay for, like ZhoopZhoop's voice agents taking live calls over Twilio for a collision-repair business.
Startups usually want one AI feature live and proof users rely on it. Enterprises want the same feature behind permissions and an audit trail. The engineering underneath is the same: retrieval with pgvector or Supabase, orchestration in LangGraph, an API in FastAPI, and graded test cases that run on every change.
- ScopeFree scoping call, then the Blueprint. Which decision, how often?
- GradeReal cases, answered by your experts.
- BuildRetrieval, tools, and the human gate.
- ScoreAgainst those cases, before release.
- RunTraces, drift checks, model migration.
Grade comes second, before any model work. Cases graded by your own experts are the only thing that can later prove a prompt change made the system worse.
Making the answer traceable to a source
A model that invents an answer is a support ticket. A model that invents an answer inside a regulated workflow is something worse. A better prompt does not fix it.
Grounding does: the system retrieves from your own documents, cites what it used, and says it does not know when the documents do not cover the question. Greenlight scores a company's sustainability by reading laws, certifications and controversies rather than the company's own reporting, with 10 to 15 independent sources behind each topic. An expert verifies the assessment before it counts.
- Answers cite the passage they came from, so a reviewer can check in seconds.
- The system is allowed to say it does not know, which most demos are not.
- Anything irreversible waits for a person to approve it.
- The model name lives in configuration, so a retirement is a config change and a re-run of the test set.

What we build on
Models and protocols
- Claude API
- OpenAI
- MCP
- Deepgram Voice Agent
- Perplexity Sonar-Pro
- Fireworks AI
Build
- Python
- FastAPI
- LangGraph
- TypeScript
- React
- Celery + Redis
- PostgreSQL
Run
- AWS
- Docker
- Sentry
- GitLab CI
- n8n
Shipped integrations
- Twilio Voice
- Twilio WhatsApp
- AWS S3
- Paubox
- SendGrid
- Stripe
AI running for real clients now
“I am extremely happy with the results and would highly recommend Hashlogics to anyone.”
Daniel Khin · CEO, PremiumAudit.io
The usual AI project against ours
Both demo well. They separate at the point where somebody has to trust the output.
Proof it works
The usual approach
A demo, run by the person who built it.
How we build
Cases your experts graded, re-scored on every change.
When it is wrong
The usual approach
Nobody knows until a customer says so.
How we build
Replay the run: input, retrieval, tool calls, output.
Where answers come from
The usual approach
The model's memory, which cannot be checked.
How we build
Your documents, cited, with an option to say it does not know.
Model retirement
The usual approach
Found out when the API starts erroring.
How we build
Planned. Model id in config, test set ready to prove the replacement.
After launch
The usual approach
The contract ends at go-live.
How we build
An agreed service level, or a documented handover to your team.
Five checks before you choose an AI solution provider
Most AI vendors demo well. These five checks separate the ones who will still own the system in month four. Our answer on what to ask an AI vendor covers each in more depth, and what it costs to hire an AI developer helps if you're weighing a hire instead.
We work this way across sectors, including finance, industrial operators, healthcare and legal. For the plain-English explainer on how AI software gets built, read AI software development.
- 01Evals: ask to see graded test cases, and who wrote the answers.
- 02A named owner: one engineer accountable after launch, by name.
- 03Data handling: where your data goes, in writing, before the build.
- 04Exit: you own the code, prompts, test cases and accounts.
- 05Limits: the list of things the system must never do alone.
01What do AI development services include?+
AI development services include scoping the decision the AI supports, building graded test cases, the retrieval and model work, the human sign-off, and running the system after launch. Hashlogics delivers all of it with senior engineers, for enterprises and startups.
02What is a custom AI solution?+
A custom AI solution is AI built around your own data, workflow and rules rather than a packaged tool configured from a menu. It reads your documents or records, works inside your systems, and is tested against cases your experts answered.
03How do enterprise AI solutions handle permissions and audit?+
By design, before the first model call. Access is scoped per role, every model call and human decision is logged, data stays in the region your contracts require, and anything irreversible waits for a person. TrialTriage runs with a 23-action audit trail and nurse sign-off on every result.
04How do I choose an AI solution provider?+
Ask five things: who wrote the graded test cases, which engineer owns it after launch, where your data goes, whether you own the code and prompts, and what the system must never do alone. A provider who answers all five in writing has shipped before.
05Can you add AI to an app we already run?+
Yes, and most of our AI work is exactly that. Cruise Search AI is an AI search module inside the client's existing WordPress site, and ZhoopZhoop's voice agents sit inside a running collision-repair business. We add the feature, its test cases and its monitoring without rebuilding your product. The first 2 months of support and maintenance are free, with every build.
06Do you build AI apps for startups?+
Yes. Go4Gr8 moved its AI coaching product off TypingMind onto a custom multi-tenant platform we built. For a startup we ship one feature narrow, score it on real cases, and grow it once users rely on it.
07How much does AI development cost?+
There's no honest figure before an engineer reads your data and systems. The scoping call is free. Every build starts with a fixed-fee Blueprint, credited in full against the build, and if the plan isn't one you'd act on, you don't pay for it. Builds are fixed-price per milestone.
08Where is Hashlogics based?+
Headquarters: East Islip, NY · Engineering: Lahore. Our client work runs in the US, the UK, Switzerland and Australia, delivered remotely.
09How do we prove an AI feature is accurate enough to ship?+
You score it against cases your own experts answered first, and you set the passing bar before you see the results. That set becomes the thing you re-run on every prompt, model or data change. Without it, accuracy is an opinion held by whoever built the feature.
10Where does our data go when we use a model API?+
Your data goes wherever the provider's current terms say it goes, which is why we put that in writing before anything is built. We check the vendor's current terms rather than repeating what was true last year, then design around what they actually commit to. Where the data is sensitive, we keep the model away from the parts it does not need. TrialTriage de-identifies patient data before anything reaches a model.
11Which model should we build on?+
Pick by the job, then keep the choice reversible. We have shipped on Claude, OpenAI models, Fireworks AI and Perplexity Sonar-Pro depending on what the workflow needed. The model name stays in configuration. Anthropic gives at least 60 days' notice before retiring a public model, and 60 days is short if that name is hardcoded in twelve places.
12Do we need to fine-tune a model?+
Usually not. Most business problems are retrieval problems, where the answer exists in your documents and the system needs to find and cite it. Fine-tuning teaches a model a style or a format, not a fact, and it makes every future model upgrade more expensive.
13What does it cost to run an AI feature every month?+
Running cost is driven by request volume, how much text each one carries, and how often you need the most expensive model. Those are the levers, and we design so the cheap model handles the easy cases. The scoping call is free, and the fixed-fee Blueprint, credited in full against the build, names the drivers before you commit.
14What happens if the AI gets something wrong in front of a customer?+
Every build we ship has a defined path to a person, and anything irreversible sits behind that gate by design. When something does slip through, the trace shows the input, what was retrieved and what the model chose, so the fix targets the actual cause. A system you cannot replay can only be guessed at.
15We are a small team. Is this only worth it at enterprise scale?+
Both work, and the shape differs. A small team usually wants one AI feature live and evidence users rely on it, so we ship narrow and score it. An enterprise wants permissions, audit trails and a migration plan from the start, which is what Go4Gr8 needed to run enterprise pilots on AWS.
Related
- Best AI development companies →A ranked comparison of the firms in this space, us included and not at the top.
- AI agent development →When the AI has to act on your systems, not only answer.
- Generative AI development →Drafting and summarising inside your workflow.
- Machine learning development →Models trained on your data, for prediction and scoring.
- RAG development →Grounding answers in your own documents.
- AI consulting →Deciding what to build first.
- Predictive analytics →A forecast tied to a decision, and scored against what happened.
- Computer vision →Reading images and video into a decision a system can act on.
- AI software development, explained →How AI software gets built, in plain English.

