I will fix your ai chatbot so it stops making things up

V
vinimabreu
V
vinimabreu
Vinicius P.
Alcune informazioni sono riportate in lingua inglese.

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Your AI chatbot works in the demo, then tells a customer about a refund policy you don't have. That's the moment it stops being a feature and becomes a liability.


I fix this specific problem:


1. Audit: I test your bot systematically and show you exactly where and why it invents answers, with transcripts, not vibes.


2. Fix: grounding on your real docs plus a confidence gate. When the bot isn't sure, it says "I don't know" or hands off to a human, instead of guessing.


3. Prove it: accuracy and hallucination rate measured before and after, so you see the difference in numbers, not promises.


Premium adds an automated eval suite and a CI gate, so a future prompt tweak can't quietly bring the hallucinations back.


Works with bots built on OpenAI, Claude, Gemini, open models, LangChain or custom RAG stacks.


I've published working code on exactly this (confidence gating, grounding checks, eval harnesses). It's the niche I work in daily. Very few sellers offer it, because building a chatbot is easy and making it trustworthy is not.


Not sure your bot has the problem? Message me 2 or 3 bad answers it gave, that's enough for me to tell you.

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Vinicius P.

Full stack AI engineer, RAG, automation and LLM reliability

  • DaBrasile
  • Membro daago 2026
  • Tempo di risposta medio1 ora
  • Lingue

    Inglese, Spagnolo
I build AI and data systems that survive production. RAG, multi-agent automation, and data extraction, plus the reliability layer that decides whether they ship: grounding, evaluation, and honest failure over a confident guess. I do both halves in one person, the scraping and enrichment pipeline and the AI layer on top, so there is no handoff. I also work in offensive security, with two published GitHub advisories and a paid Anthropic bounty. If it is not grounded, I say so instead of inventing it. That is the whole point. Selected work and reviews: https://www.vinimabreu.dev

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