library_name	lexrag
pipeline_tag	text-generation
tags	legal-rag legal-ai legal-research retrieval-augmented-generation uae-law indian-law gst vat corporate-tax hybrid-search fastembed qdrant legal-tech compliance tax-research case-law evolucentai eulogik
license	agpl-3.0
language	en
widget	text What is the GST rate on online gaming contest prizes in India? text UAE VAT on financial services text TDS under Section 194B on winnings text UAE Corporate Tax free zone treatment
inference	false

⚖️ LexRAG — The Legal Intelligence Terminal

Enterprise-Grade Hybrid RAG for UAE & Indian Law, Taxation & Compliance

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What is LexRAG?

LexRAG is a professional-grade, high-performance Retrieval-Augmented Generation (RAG) platform purpose-built for UAE and Indian laws, taxation, accounting standards, and corporate compliance. It combines hybrid dense-sparse retrieval, neural reranking, auto-jurisdiction detection, and multi-provider LLM streaming into a zero-latency terminal interface.

⚡ Built by Evolucent AI — Premium Legal Technology Solutions
🛠️ Engineered by Eulogik — Enterprise AI & Systems Integration

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Key Capabilities

Capability	Technology
Dense Retrieval	BAAI/bge-small-en-v1.5 via fastembed
Sparse Retrieval	prithivida/Splade_PP_en_v1 via fastembed
Hybrid Fusion	Reciprocal Rank Fusion (RRF)
Neural Reranker	BAAI/bge-reranker-base (CrossEncoder)
Vector Database	Qdrant (on-disk, no Docker required)
LLM Providers	Groq, OpenRouter, Ollama (dynamic model catalog)
Jurisdiction	Auto-detect India/UAE/Both with manual override
Confidence Tiers	GROUNDED / PARTIAL / SYNTHESIZED
Streaming	SSE with heartbeat keep-alive
Persistence	SQLite chat history with session management

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Quick Start

# Install from PyPI
pip install lexrag

# Or clone from source
git clone https://github.com/eulogik/LexRAG.git
cd LexRAG
pip install -r requirements.txt

# Configure
cp .env.example .env
# Edit .env with your API keys

# Run
python -m uvicorn api.main:app --host 0.0.0.0 --port 8000
# Open http://localhost:8000

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Architecture

flowchart TD
    UI[HTML/CSS/JS SPA] <-->|SSE / API| FastAPI[FastAPI Server]
    FastAPI <-->|History| SQL[(SQLite)]
    Query --> Detect[Auto-Jurisdiction]
    Detect --> Search{Hybrid Search}
    Search -->|Dense| Dense[BGE-small-en-v1.5]
    Search -->|Sparse| Sparse[Splade_PP_en_v1]
    Dense & Sparse -->|RRF| Qdrant[(Qdrant)]
    Qdrant -->|Candidates| Rerank[BGE-Reranker-Base]
    Rerank -->|Top Docs| Context[Build Prompt]
    Context --> LLM{LLM Router}
    LLM -->|Cloud| Groq[Groq]
    LLM -->|Cloud| OpenRouter[OpenRouter]
    LLM -->|Local| Ollama[Ollama]

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Ecosystem

Platform	Link	Description
GitHub	eulogik/LexRAG	Source code & issues
PyPI	lexrag	Python package
HuggingFace	EvolucentAI/lexrag	Model card & codebase
HF Demo	EvolucentAI/lexrag-demo	Interactive Gradio Space
Eulogik	eulogik.com	Engineering partner
Evolucent AI	evolucentai.com	Product & commercial

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License

AGPL v3 — Free for open-source and internal use.
Commercial licenses available from Evolucent AI for proprietary deployments.

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_{Built by Evolucent AI — Engineered by Eulogik}