Hélain Zimmermann

Blog

Insights on AI, Machine Learning, RAG Systems, and the future of intelligent software

AI & ML

Apple's Siri Rebuild: What Gemini Integration Tells Us About On-Device AI

Apple is rebuilding Siri with Google's Gemini models for reasoning and on-screen awareness, shipping with iOS 26.4 in 2026

Mar 30, 20269 min read
beginner
AI & ML

Gemini 3.1 Flash-Lite and the Arrival of Sub-Dollar Inference

Google's Gemini 3.1 Flash-Lite costs $0.25 per million input tokens while outperforming models at 4x the price point

Mar 30, 20269 min read
intermediate
AI & ML

GliNER2: Unified Entity and Relation Extraction in One Framework

GliNER2 merges NER, relation extraction, text classification, and structured data extraction into a single schema-driven inference call

Mar 30, 20269 min read
intermediate
AI & ML

GPT-5.4 Tool Search: How Dynamic Discovery Reshapes Agent Design

GPT-5.4 introduces Tool Search for dynamic tool discovery, cutting token usage by 47% while maintaining accuracy across large tool inventories

Mar 30, 20269 min read
intermediate
AI & ML

Mistral Small 4: One MoE to Replace Three Models

Mistral Small 4 unifies instruct, reasoning, and multimodal workloads into a single 119B parameter MoE model under Apache 2.0

Mar 30, 20269 min read
intermediate
AI & ML

Nemotron 3 Super: The Hybrid Mamba-Transformer Built for Agentic Coding

NVIDIA's Nemotron 3 Super combines Mamba and Transformer layers in a 120B MoE model scoring 60.47% on SWE-Bench Verified

Mar 30, 202610 min read
advanced
Engineering

On-Device NLP: Running Language Models at the Edge with TinyML

How model compression techniques like quantization, pruning, and distillation enable NLP inference on edge devices without cloud dependencies

Mar 30, 202610 min read
intermediate
AI & ML

Sub-10B Models Are Winning the Efficiency Race

How models under 10 billion parameters are outperforming much larger rivals through distillation, sparse architectures, and smarter training

Mar 30, 202610 min read
intermediate
AI & ML

Adult Neurogenesis: How Your Brain Keeps Growing New Neurons

Discover how your adult brain grows new neurons, what recent research reveals about neuroplasticity, and why it matters for AI engineers

Feb 19, 20268 min read
beginner
AI Security

AI Agents in Finance: MNPI Risks and Cross-Deal Contamination

How RAG systems in finance can leak MNPI across deals, and practical mitigation strategies for quants building compliant AI pipelines

Feb 19, 20268 min read
intermediate
AI Agents

AI and Finance: How Autonomous Agents Are Transforming Trading

How autonomous AI agents with their own wallets are reshaping trading and DeFi, from market making to risk management and ethical concerns

Feb 19, 20266 min read
beginner
AI & ML

Neuromorphic Computing Meets Neurogenesis: Inspiring Plasticity in AI

How biological neurogenesis and neuromorphic hardware are inspiring new approaches to plasticity, lifelong learning, and catastrophic forgetting in AI

Feb 19, 20269 min read
advanced
RAG Systems

2026: The Year of AI Memory Beyond Basic RAG

How AI memory systems are evolving past basic RAG with episodic, semantic, and procedural memory for persistent, context-aware agents

Feb 18, 20269 min read
intermediate
Engineering

End-to-End Multi-Agent Systems: Design Patterns from IEEE CAI 2026

Design patterns for production multi-agent systems from IEEE CAI 2026 covering planning, execution, fault tolerance, and scaling

Feb 18, 202611 min read
advanced
AI Agents

Multi-Agent Multi-LLM Architectures: A 2026 Guide

A practical guide to multi-agent multi-LLM architectures covering agent roles, communication patterns, MoE, RLVR, and distributed scalability

Feb 18, 20268 min read
intermediate
AI Agents

The Multi-Agent Systems Explosion: 327% Adoption Growth in 2026

Why multi-agent AI systems are seeing 327% adoption growth in 2026 and what it means for startups, enterprises, and the future of automation

Feb 18, 20267 min read
beginner
AI Agents

AI Trends 2026: The Agentic Revolution and Hybrid Architectures

Comprehensive synthesis of 2026 AI trends from agent swarms and sovereign infrastructure to hybrid architectures and RLVR breakthroughs

Feb 17, 20268 min read
advanced
AI Agents

FinAgent and Beyond: Multimodal Foundation Agents for Trading

Deep dive into FinAgent's multimodal architecture for financial trading, covering dual-level reflection, memory retrieval, and agent swarm extensions

Feb 17, 20268 min read
advanced
AI Agents

Multimodal AI Agents: When AI Sees, Hears, and Acts

Discover how multimodal AI agents combine text, images, and audio to see, hear, and act. Practical examples from visual RAG to accessibility.

Feb 17, 20268 min read
beginner
RAG Systems

Multimodal RAG 2026: Vision and Text for State-of-the-Art Pipelines

Build production multimodal RAG pipelines combining vision and text retrieval with Qwen3-VL, cross-modal fusion, and cost optimization strategies.

Feb 17, 20268 min read
intermediate
AI Agents

Agents + Open Weights: Toward a Linux of AI Agents, Or a Security Nightmare?

Combining open-source AI agents like OpenClaw with frontier open-weight models creates unprecedented opportunities and risks for the AI ecosystem.

Feb 16, 202612 min read
advanced
AI Security

AI Alignment and Safety in a Multipolar World

As the US, China, and the open-source community each push frontier AI forward, can we agree on safety standards, or are we heading for fragmented norms?

Feb 16, 202612 min read
advanced
Engineering

Chinese AI and Sovereign Hardware: GLM-5 on Huawei Ascend

How Zhipu trained a frontier language model entirely on domestic Chinese chips, and what this means for AI geopolitics, sanctions, and infrastructure independence.

Feb 16, 202611 min read
advanced
AI Security

AI Regulation: How Open Source Is Being Instrumentalized

From the EU AI Act to global policy debates, open source is positioned as both a tool for accountability and a shield for concentrated power.

Feb 15, 202610 min read
intermediate
AI & ML

GLM-5, Kimi K2.5, DeepSeek V3: A 2026 Panorama of Frontier Chinese LLMs

A comparative overview of the leading Chinese language models: architecture, hardware, benchmarks, licensing, and how to test them from Europe.

Feb 15, 202612 min read
intermediate
Engineering

OpenClaw as a Case Study in Autonomous Agent Attack Surfaces

A technical threat model analysis of AI agents that can act in the real world: network exposure, API key management, extension supply chains, and memory compromise.

Feb 15, 202613 min read
advanced
AI Security

AI and Security: How Agents Like OpenClaw Can Be Exploited

Exposed instances, stolen API keys, and malicious extensions: how autonomous AI agents create new attack vectors and what you can do about it.

Feb 14, 20268 min read
beginner
Engineering

Anatomy of an OpenClaw Agent: Architecture, Integrations, and Limits

A semi-technical deep dive into how OpenClaw connects to messaging platforms, LLMs, and third-party APIs, and where it falls short.

Feb 14, 202611 min read
intermediate
AI & ML

Why Chinese AI Models Are Breaking the Economics of AI

With benchmark scores rivaling GPT-4 at a fraction of the cost, Chinese LLMs are reshaping how startups and developers choose their AI models.

Feb 14, 202610 min read
intermediate
AI & ML

Chinese AI Models Are Catching Up, And Sometimes Surpassing, The West

A beginner's guide to Kimi K2, GLM-5, Qwen, and DeepSeek: the Chinese large language models that rival GPT-4 and why they matter.

Feb 13, 20269 min read
beginner
AI & ML

Open Source AI vs Closed AI: Why It Matters More Than Ever

Understanding the difference between open-weights models and closed APIs, and why this debate is reshaping the AI industry in 2026.

Feb 13, 20269 min read
beginner
AI Agents

OpenClaw Explained: What Is the AI Agent Everyone Is Talking About?

A beginner-friendly guide to OpenClaw, the open-source AI agent that can browse the web, send messages, and automate tasks, and why it matters.

Feb 13, 20268 min read
beginner
Getting Started

Building a RAG Chatbot from Scratch with Python

Learn how to build a Retrieval-Augmented Generation (RAG) chatbot from scratch in Python, from data loading to retrieval and LLM integration.

Feb 10, 202610 min read
beginner
Getting Started

Fine-Tuning Open-Source LLMs with LoRA and QLoRA

Learn how to fine-tune open-source LLMs efficiently using LoRA and QLoRA, with practical code, tips, and trade-offs for production systems.

Feb 10, 202610 min read
intermediate
AI Agents

Model Context Protocol: Connecting LLMs to External Tools

Learn how Model Context Protocol connects LLMs to tools, RAG systems, and services, with Python examples and practical integration patterns.

Feb 10, 202611 min read
intermediate
RAG Systems

Agentic RAG: The Next Evolution

Explore Agentic RAG, where LLM agents plan, search, and verify across tools. Design patterns, code, and pitfalls for production-ready systems.

Feb 9, 202612 min read
advanced
AI Agents

Building a Multi-Agent AI System

Learn how to design, coordinate, and deploy robust multi-agent AI systems, from architecture and tools to failure modes and production concerns.

Feb 9, 202610 min read
advanced
Getting Started

Building AI Agents with LangChain and LangGraph

Learn how to build robust AI agents with LangChain and LangGraph, from simple tool calls to multi-step workflows, with practical Python examples.

Feb 9, 202610 min read
intermediate
AI & ML

Building Custom Tokenizers for Domain-Specific NLP

Learn how to design, implement, and evaluate custom tokenizers for domain-specific NLP, with practical Python examples and RAG-focused guidance.

Feb 9, 202611 min read
advanced
Engineering

Building Real-Time ML Inference Pipelines

Learn how to design and implement real-time ML inference pipelines, from architecture and latency budgets to queues, batching, monitoring and Python code.

Feb 9, 202610 min read
intermediate
RAG Systems

Chunking Strategies for RAG Pipelines

Learn practical chunking strategies for RAG pipelines, from basic splits to adaptive and hybrid methods, with code and evaluation tips.

Feb 9, 202611 min read
intermediate
Engineering

CI/CD Pipelines for Machine Learning Projects

Learn how to design practical CI/CD pipelines for ML projects, covering testing, data checks, model evaluation, deployment and MLOps tooling.

Feb 9, 202611 min read
intermediate
AI Security

Data Privacy in the Age of Large Language Models

Practical strategies to protect data privacy in LLM workflows, from architecture and redaction to logs, RAG, and compliant deployment patterns.

Feb 9, 202611 min read
intermediate
Engineering

Deploying ML Models with FastAPI and Docker

Learn how to containerize and deploy ML models using FastAPI and Docker, with patterns for scaling, performance, and production-ready setups.

Feb 9, 20268 min read
intermediate
AI & ML

Embedding Models Compared: OpenAI vs Open-Source

Compare OpenAI and open-source embedding models for RAG, search, and clustering, with tradeoffs, benchmarks, costs, and practical code examples.

Feb 9, 202611 min read
intermediate
RAG Systems

Evaluating RAG System Performance

Learn how to rigorously evaluate Retrieval-Augmented Generation systems with practical metrics, tooling, and Python examples for production setups.

Feb 9, 202612 min read
intermediate
AI Security

Federated Learning for Privacy-Preserving AI

Learn how to design and ship federated learning systems for privacy-preserving AI, from protocols and architectures to practical Python examples.

Feb 9, 202611 min read
advanced
Getting Started

Getting Started with PyTorch for Deep Learning

Beginner friendly guide to getting started with PyTorch, from tensors to training your first neural network, with practical Python examples.

Feb 9, 20269 min read
beginner
RAG Systems

Hybrid Search: Combining Dense and Sparse Retrieval

Learn how to design and implement hybrid search that combines dense and sparse retrieval, with practical patterns, tradeoffs, and Python code examples.

Feb 9, 202612 min read
advanced
AI Security

Introduction to Differential Privacy for NLP

Advanced introduction to differential privacy for NLP practitioners, with practical Python examples, tradeoffs, and system design advice.

Feb 9, 202612 min read
advanced
RAG Systems

Knowledge Graphs Meet LLMs: Structured RAG Architectures

How to combine knowledge graphs with LLMs for structured RAG architectures, with patterns, code, and tradeoffs for production systems.

Feb 9, 202613 min read
advanced
Getting Started

LLM Evaluation Frameworks: Beyond Perplexity

Go beyond perplexity with practical LLM evaluation: task metrics, judge models, rubrics, RAG-specific checks, and production feedback loops.

Feb 9, 202611 min read
intermediate
Engineering

Monitoring ML Models in Production

Practical guide to monitoring ML models in production, covering metrics, drift, data quality, logging, alerts, and code patterns in Python.

Feb 9, 202612 min read
intermediate
AI & ML

Multimodal AI: Combining Vision and Language Models

Learn how to build practical multimodal AI systems that combine vision and language models, from architectures to PyTorch and CLIP code examples.

Feb 9, 20269 min read
intermediate
AI & ML

Named Entity Recognition with Modern NLP

Learn modern Named Entity Recognition, from classical CRFs to transformer-based models, practical pipelines, privacy, evaluation, and production tips.

Feb 9, 202610 min read
intermediate
Getting Started

Prompt Engineering Best Practices for Production

Practical prompt engineering best practices for production systems including structure, evaluation, safety, RAG integration and maintainability.

Feb 9, 202610 min read
beginner
Engineering

Python Best Practices for ML Engineers

Practical Python best practices for ML engineers, from project structure and typing to performance, testing, and production-ready code.

Feb 9, 202610 min read
beginner
RAG Systems

Retrieval-Augmented Generation: A Complete Guide

Beginner-friendly guide to Retrieval-Augmented Generation, with architecture, tradeoffs, vector DBs, privacy tips, and Python code examples.

Feb 9, 202610 min read
beginner
RAG Systems

Scaling RAG Systems to Millions of Documents

Learn practical strategies to scale Retrieval-Augmented Generation systems to millions of documents, from indexing and storage to latency and cost tuning.

Feb 9, 202611 min read
advanced
RAG Systems

Semantic Search vs Keyword Search: When to Use What

Understand the differences between keyword and semantic search, when to use each, and how to implement basic semantic search in Python.

Feb 9, 202611 min read
beginner
AI & ML

Understanding Transformer Architectures

Deep dive into transformer architectures, from self-attention math to practical variants for RAG, privacy NLP, and production systems.

Feb 9, 202611 min read
advanced
RAG Systems

Vector Database Performance Benchmarks

Learn how to design, run, and interpret vector database performance benchmarks for real-world RAG systems, with code, metrics, and pitfalls.

Feb 9, 202611 min read
advanced
RAG Systems

Building Production-Ready RAG Systems

A practical guide to designing and deploying Retrieval-Augmented Generation systems that scale, from chunking strategies to vector store optimization.

Feb 5, 20268 min read
intermediate
AI & ML

Understanding Vector Databases: A Beginner's Guide

Learn what vector databases are, how they work under the hood, and which one to choose for your AI application.

Feb 1, 20266 min read
beginner
AI Security

Privacy-Preserving NLP: Protecting Sensitive Data in Language Models

Exploring techniques for mitigating memorization risks in LLMs, from differential privacy to anonymization, based on research at INRIA.

Jan 28, 202610 min read
advanced
Getting Started

Fine-Tuning LLMs on Custom Data: A Practical Guide

When to fine-tune vs use RAG, how to prepare your data, and a step-by-step guide to LoRA fine-tuning with Hugging Face Transformers.

Jan 20, 20269 min read
intermediate