Eltherion
Beams of light connecting document archives to an AI core

RAG Development

Enterprise RAG Development & Architecture

We build production retrieval-augmented generation systems that answer from your data, cite their sources, and hold up under real load.

Projects start as low as $1,000 · scoped and priced up front · free estimate

What you get

  1. 01Retrieval quality and re-ranking
  2. 02Chunking, embeddings, vector store selection
  3. 03Grounded, citation-backed answers
  4. 04Hallucination control and guardrails
  5. 05Evaluation systems on your data
  6. 06Latency and cost optimization

Most RAG prototypes demo well and fall apart in production. The retrieval returns the wrong chunks, the model invents answers, citations drift, and cost and latency creep past what the business can carry. Eltherion is a RAG development company that builds production retrieval-augmented generation systems where it matters: retrieval that actually finds the right evidence, grounding that holds, and evaluation that tells you when something breaks before your users do.

Why do most RAG systems fail in production?

The demo works because the question matched the document. In production, the questions are messier, the corpus is larger, and retrieval quality decides everything downstream. We treat retrieval as the core engineering problem: chunking strategy, embedding choice, hybrid and re-ranked search, and metadata filtering tuned to your actual queries. When the model is fed the right evidence, grounding and citation accuracy follow. When it isn't, no prompt fixes it.

How does Eltherion control hallucination and keep answers grounded?

We ground generation in retrieved evidence and enforce it: citation-backed responses, guardrails that refuse when the context is thin, and confidence signals the application can act on. Then we measure it. We build evaluation systems against your real questions and documents so retrieval precision, answer faithfulness, and citation accuracy are tracked numbers, not vibes. That eval harness is what lets the system change safely after launch.

What does an enterprise RAG architecture engagement cover?

Our enterprise RAG architecture consulting covers the full stack: ingestion and chunking, embedding and vector store selection, retrieval and re-ranking, grounding and citation, guardrails, evaluation, and the latency and cost budgets that keep it viable at scale. We favor measured retrieval quality over model swaps and durable evaluation over one-off tuning. You get a system your team can operate, extend, and trust — not a notebook that only runs on the founder's laptop.

What does rag development cost?

Eltherion projects start as low as $1,000. We scope every project to your budget, start with the smallest version that delivers value, and give you a fixed price up front.

For comparison, a typical US agency charges $60k – $300k for a AI knowledge assistant, first production release. Scope, integrations and compliance needs move the number; the free cost calculator shows market ranges, and a free estimate shows what we would charge.

Common questions

What drives the cost of a RAG development project?

Cost is driven by corpus size and messiness, retrieval complexity (hybrid search, re-ranking, metadata filtering), the depth of evaluation required, and your latency and accuracy targets. Grounding and eval work is where production systems earn their keep, so we scope it explicitly rather than treating it as an afterthought.

How long does it take to build a production RAG system?

A focused production-ready system typically takes a few weeks to a few months, depending on data readiness and accuracy requirements. We usually start with a retrieval and evaluation baseline on your real questions, then improve against measured numbers rather than guessing.

What makes Eltherion different from other RAG consultants?

We build for production, not demos. Senior, founder-led delivery; explicit tradeoffs (we favor measured retrieval quality over model swaps); and evaluation systems that let the work compound after launch instead of degrading. You get shipped, operable systems and direct communication.

Can you fix or harden an existing RAG system?

Yes. We frequently take prototypes that demo well but fail in production and rebuild the weak layers — usually retrieval quality, grounding, and the missing evaluation harness — so the system becomes accurate, measurable, and safe to extend.

Other services

Planning a rag development project?

Tell us what you want to build and get a straight price range and timeline. Free, and it goes straight to the founder.

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