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AI Voice Agents
Nov 21, 2025
9 min read
Boost LLM Response Accuracy and Reduce Hallucination
Introduction
You've probably had this moment already: you roll out an LLM-powered tool inside your company, maybe for drafting client summaries, pulling insights from documents, or speeding up internal workflows, and within a week, someone flags a response that's confidently wrong.
Not "slightly off."Not "needs editing."But wrong in a way that gets people into trouble: invented numbers, made-up citations, fabricated policies, false logic, the type of hallucinations that destroy trust fast.
When that happens, you don't just lose faith in the tool. You lose momentum in your automation roadmap. Teams go back to manual work. Your ROI stalls. And suddenly, the whole AI initiative you championed feels like it's under review.
This blog will show you how to boost LLM response accuracy in a way that's predictable, controllable, and ready for real business use, not lab demos. And we'll walk through the patterns Kuhnic uses to reduce hallucinations in law firms, consulting teams, cybersecurity companies, and high-growth startups that can't afford sloppy answers.
Why hallucinations are killing trust?
You've probably seen it already:
The "AI assistant" that invents legal precedents or case citations.The sales or support bot that answers with outdated pricing or wrong SLAs.The internal knowledge tool that can't remember its own policy documents.
Studies on LLMs show hallucination rates ranging from around 2–8% in general benchmarks, to over 25–60% in more complex or adversarial settings, and even above 80% for some models and tasks. That might sound small, until you realise that 1 in 20 or 1 in 5 answers being wrong, but sounding right, is enough to blow up a client relationship or confuse an entire team.
The root problem: base LLMs were trained on the open internet, not on your contracts, SOPs, or risk policies. Out of the box, they are pattern generators, not source‑of‑truth systems. If you want to boost LLM response accuracy inside a law firm, consultancy, cybersecurity company, or fast‑growing startup, you have to design around that.
What "good enough" looks like in practice?
You don't need perfection. You need predictable, auditable behaviour.
For a decision‑maker like you, "good enough" usually means:
The LLM is grounded in approved, up‑to‑date information (docs, knowledge base, CRM, ticketing, contract repository).The model clearly cites where answers come from, so humans can verify quickly.The workflow has guardrails: what the LLM can and cannot do, where it must ask for clarification, and when it should hand off to a human.
When clients work with Kuhnic, the goal is to build systems where hallucinations become rare edge cases, not the daily norm and where you can measure and improve accuracy over time, not just "hope it's better."
Why LLMs hallucinate?
LLMs hallucinate for a few simple, unglamorous reasons:
They predict words, not truth. The model is optimising for "what's the most likely next token," not "is this correct in your jurisdiction, for this client, on this date."They don't know your private data. Unless you actively connect them to your DMS, PMS, wiki, CRM, or codebase, they'll default to public training data – which is often wrong, outdated, or irrelevant.They're overconfident. Most models will answer even when they have no basis to do so. Without explicit instructions and checks, they rarely say "I don't know."
So if you just plug ChatGPT, Gemini, or another API into your workflows and hope it behaves, you'll see exactly what the research sees: plausible‑sounding answers that are wrong 20–60% of the time in complex domains.
The fix is not "use a better model." The fix is to deliberately engineer how the model sees your data, your context, and your rules so you systematically boost LLM response accuracy.
Core strategy: ground the model in your own data
The single most effective way to reduce hallucination is grounding – forcing the LLM to answer using specific, trusted data instead of free‑styling from its pretraining.
The most common pattern is Retrieval‑Augmented Generation (RAG):
A user asks a question.The system searches your internal knowledge sources (contracts, SOPs, past advice, tickets, wiki pages, etc.).It feeds only the most relevant snippets into the prompt.The LLM generates an answer that must stay within that retrieved context – and ideally cites it.
Well‑designed RAG can significantly boost LLM response accuracy because the model is no longer guessing; it's paraphrasing and reasoning over your actual documents.
For example, a law firm using RAG can have an assistant that drafts first‑pass advices, but only from its own precedents and knowledge notes, not from whatever it saw on the internet three years ago.
The Step Framework to Boost LLM Response Accuracy
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Step 1: Clean and structure your source of truth
RAG is only as good as what you feed it. If your data is messy, your answers will be messy.
To boost LLM response accuracy, you need:
Clear scopes. Decide what the AI is allowed to answer from: policies, templates, playbooks, product docs, not "every PDF ever uploaded."Reasonable chunking. Documents should be broken into logically coherent sections, not random 200‑token slices. That helps retrieval find the right context.Metadata. Tag content by client, practice area, jurisdiction, product, date, and status (draft, approved, deprecated). That lets the system filter out outdated or irrelevant material.
In many Kuhnic projects, 30–50% of the actual effort is on this "boring" side: cleaning up the knowledge base, designing the right schemas, and wiring in the right systems (DMS, ticketing, wiki, CRM). It's the unsexy part that makes everything else work.
Step 2: Tight prompts and explicit instructions
Prompting is not "magic", but it is a powerful control layer.
To reduce hallucinations:
Force citations. Instruct the model to list the sources (document titles, links, IDs) used for each key point. This immediately increases transparency and catch‑rate for errors.Disallow guessing. Explicitly tell the model: if no relevant source is found, say you don't know and escalate.Constrain format. Use structured outputs (lists, JSON fields, checklists) so you can programmatically validate parts of the answer.
Research in high‑risk domains has shown that carefully engineered prompts and guardrails can drop hallucination rates by 20+ percentage points compared to default prompting, even using the same base model. That's a huge lever if you're trying to boost LLM response accuracy without tripling your API spend.
Step 3: Add validation and safety checks
You wouldn't deploy a junior associate or analyst without review. The same applies here.
Practical validation layers you can add:
Self‑checks. Ask the LLM to critique or verify its own answer against the provided context (e.g. "Are any claims unsupported by the sources?"). This can catch a chunk of hallucinations before they reach users.Secondary models. Use a separate "judge" model to rate groundedness, completeness, and adherence to instructions, and flag low‑scoring answers for human review.Business rules. Hard‑code rules like "never mention pricing numbers," "never provide client‑specific data," or "never give regulatory advice without these disclaimers."
This is how you move from "cool demo" to something a partner, COO, or CISO is actually comfortable putting into production.
Step 4: Human‑in‑the‑loop where it matters
You don't need humans everywhere. You need them at the right points.
A realistic pattern:
For internal productivity (summarising calls, suggesting email drafts, triaging tickets), you can often accept a slightly lower accuracy threshold as long as people can see and correct the output.For client‑facing, regulated, or high‑risk work (legal opinions, compliance assessments, security advice), you keep a human reviewer in the loop, but let the AI do the heavy lifting on first drafts and information retrieval.
Studies from early adopters show that even with review layers, teams can cut time spent on drafting and research by 30–60%, while keeping or improving quality – as long as the system is properly grounded and evaluated. That's where boosting LLM response accuracy translates into real-time and cost savings, not just "better AI."
Step 5: Measure accuracy, don't guess
If you can't measure it, you can't improve it. To really boost LLM response accuracy, you need evaluation loops.
Teams building serious RAG and LLM systems increasingly use:
Groundedness scores. How well does each answer stick to the provided sources vs inventing details?Utilisation metrics. Is the model actually using the retrieved context, or ignoring it and hallucinating anyway?Task‑specific accuracy. Compare AI answers to reference answers written by your subject‑matter experts on a fixed test set.User feedback. Simple buttons ("helpful/unhelpful", "correct/incorrect") and tagged error reports feed into retraining prompts, retrieval, and rules.
Vendors and researchers have shown that regular evaluation and prompt/system tuning can drive down hallucinations over time, even as you scale to more complex tasks and data. In other words: accuracy is not a one‑off config; it's a continuous process.
Where Kuhnic fits in?
Kuhnic focuses on building this kind of "boring but powerful" AI automation for law firms, consulting firms, cybersecurity companies, and high‑growth startups – the environments where hallucinations are not just embarrassing, but expensive.
Typical work includes:
Designing data pipelines and RAG architectures that actually reflect how your business works, rather than generic templates.Implementing grounded assistants and co‑pilots for research, drafting, triage, and reporting – always with clear guardrails and human‑in‑the‑loop patterns.Setting up evaluation frameworks so you can see, in numbers, whether your LLM response accuracy is improving, and why.
The goal isn't to "add some AI." It's to quietly remove hours of low‑value work each week, reduce rework and risk from hallucinations, and give your teams tools they actually trust. This systematic approach to AI automation ensures that your investment delivers measurable results rather than just impressive demos.
Conclusion
If your AI tools are producing inconsistent or unreliable answers, you don't have an LLM problem, you have a system problem. By controlling context, retrieval, prompts, tuning, validation, and feedback, you can boost LLM response accuracy and reduce hallucination in a way that's measurable and dependable. This is how the teams we work with regain trust, scale automation, and finally get the results they expected from AI.
Want to see how this works inside your business? Book a 20-minute walkthrough with an expert at Kuhnic. No fluff. Just clarity.
Written by
Sonny Sehgal
Commercial Officer at Kuhnic
CEO of Transputec with extensive experience in AI solutions and business growth.
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