StallerStack
AI Service

LLM Development

We design custom applications on top of large language models — internal copilots, semantic search, document automation — choosing the right model, context strategy, and guardrails for your accuracy and cost requirements.

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LLM Apps Shipped

6-12 wks

Typical Engagement

0%

Avg. Cost Reduction via Optimization

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Model Providers Supported

What's Included

Production LLM application or API

Evaluation harness with accuracy benchmarks

Cost and latency optimization report

How We Work

01

Use Case Definition

We scope exactly what the LLM application needs to do and what 'accurate enough' looks like.

02

Model & Architecture Selection

We choose the right model size, provider, and context strategy for cost and latency targets.

03

Build & Evaluate

The application is built with an evaluation harness testing accuracy against real examples.

04

Launch & Cost-Tune

We launch and continuously tune prompts and caching to control ongoing inference cost.

What You'll Receive

  • Production LLM application or API
  • Evaluation harness with accuracy benchmarks
  • Cost and latency optimization report
  • Prompt and context management system
  • Technical documentation and handover

How Engagements Typically Work

Every project starts with scoping — here's the shape most engagements for this service take.

01

Prototype

A 2-3 week prototype to validate the LLM can handle the target use case with acceptable accuracy.

02

Production Build

Full application development with evaluation and cost optimization — typically 6-12 weeks.

03

Ongoing Optimization

Monthly retainer to tune prompts, manage model upgrades, and control inference cost.

Technologies We Use

The tools and platforms our LLM Development team works in day to day.

LLM Stack

OpenAI API
Anthropic API
LangChain
LlamaIndex

Infra

Pinecone
Redis
PostgreSQL

Frequently Asked Questions

It depends on accuracy, cost, and data residency needs — we benchmark candidates against your actual use case rather than defaulting to one vendor.

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