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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

TabTune
Introducing TabTune: A unified library for inference and fine-tuning tabular foundational models.
November 6, 2025
Tabular Foundational Models
Lexsi Labs, Paris
Lexsi Labs, Mumbai
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