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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
Retail Banking Case Study: Why Specialists Beat Generalists on Template-Strict Workflows
February 23, 2026
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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
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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