
Articles
Discover actionable blogs and thought leadership on Explainable AI, Responsible AI, AI governance, Machine Learning, MLOps, ML observability, and model monitoring.
Featured Articles
All Articles

AI Safety
Open-sourcing the Lexsi Alignment and Safety Stack: frontier safety research for auditing, correcting and verifying model weights
September 16, 2026
AI risk management
AI Alignment
Trustworthy AI

TabTune
Debugging TabFM: the story the leaderboard hides
July 20, 2026
Tabular Foundational Models
Fune-tuning

TabTune
Now Shipping: TabTune Regression for Tabular Foundational Models
February 26, 2026
Tabular Foundational Models
Regression

TabTune
TabTune Resampling: Context Engineering for Zero-Shot Imbalanced Tabular Learning
February 25, 2026
In Context Learning
Orion-MSP
Orion-BiX
Lexsi Labs, Mumbai
Lexsi Labs, Paris

AlignTune
Retail Banking Case Study: Why Specialists Beat Generalists on Template-Strict Workflows
February 23, 2026
Notebook
Post training alignment
Lexsi Labs, Mumbai

AlignTune
The Specialization Dividend: Aligning a 4B Model for Wealth Management using AlignTune
February 23, 2026
Post training alignment
Notebook
Lexsi Labs, Mumbai

AlignTune
Open-Sourcing AlignTune: A Unified Interface for Post-Training Alignment
February 23, 2026
Post training alignment
Reinforcement Learning
Fune-tuning
Lexsi Labs, Mumbai
Lexsi Labs, Paris

Reinforcement Learning
Not All Tokens Matter Equally: Teaching RL Which Parts of Reasoning Actually Count
February 13, 2026
Reasoning Models
Post training alignment

Reinforcement Learning
Beyond KL Divergence: Why Your Policy Optimization Might Be Using the Wrong Regularizer
February 12, 2026
Policy Optimization
Reasoning Models
Post training alignment
Mirror Maps

Mechanistic Interpretability
Circuit-Restricted Weight Arithmetic (C-ΔΘ): Offline Safety Without Runtime Cost
February 11, 2026
Lexsi Labs, Mumbai
Mechanistic Interpretability
AI Safety
CiruitKit

Lexsi Labs, Paris
Lexsi Labs: Building the Scientific Foundations for Safe & Aligned Intelligence
November 6, 2025
Lexsi Labs, Mumbai

Orion-MSP
Orion-MSP: Multi-Scale Sparse Attention for Tabular In-Context Learning
November 6, 2025
Lexsi Labs, Paris
Lexsi Labs, Mumbai
Tabular Foundational Models
No results found.