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Notes from building AI agents that get measured.

Mostly evaluation, agent and retrieval architecture, and the failure modes that only show up once real users are asking real questions.

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11 posts · from renepersau.substack.comopen substack ↗
jun 202612 min

A Playbook on Considerations when building AI Applications in Production

Why most AI demos die in production — and the framework that gets them to survive

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jul 20253 min

Write-Audit-Publish (WAP) pattern for robust data pipelines

This is a guide on how to implement a WAP pattern in snowflake and dbt

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apr 20254 min

How we cut our Snowflake bill in half overnight

Controlling Snowflake Costs: Recommendations and Common Pitfalls to Avoid

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dec 20244 min

Determining the Necessity of MLOps in the SaaS Tech Industry

A Comprehensive Framework

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aug 20244 min

LLM Fine-Tuning: A Hands-On PEFT Lora Example

Utilising PEFT's (Parameter-Efficient Fine-Tuning) Lora (Low Rank) method to fine-tune a LLM.

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jul 20247 min

Agentic Workflows: Why AI Agents are on the rise

Knowledge Assistants are supercharging RAG and allow the use of tools.

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jul 20246 min

Understanding Temperature, Top-P, and Top-K in AI Models

A hands-on example based on Meta Llama

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jul 20243 min

Harnessing NLP for Sentiment Analysis in Customer Support

A HuggingFace example leveraging the Twitter-roBERTa-base model

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jul 20243 min

Mistral: Creating an Intelligent Chatbot with LangChain

A Comprehensive Guide to Building and Deploying a Local AI Chatbot Using Mistral and LangChain

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jun 20244 min

Unlocking the Power of LangChain and AWS Bedrock for Retrieval-Augmented Generation (RAG)

Let's add a file as context for the LLM.

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jun 20243 min

Using AWS Bedrock to build an AI agent in Python (Boto3)

An example on how quickly you can get started with AWS Bedrock to build a AI application.

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Working on something in this territory?

I take on a small number of builds and audits at a time. A short description of the failure you're seeing is enough to start.