Production-Ready Python Library

JustLLMs

~/justllms
bash
$
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Switched to a new branch 'feature/actually-working-llm-routing'

🚀 Ship faster with intelligent LLM routing

View on PyPI
Documentation
View on GitHub
60%
Cost Reduction
6+
LLM Providers
1.1MB
Package Size
11K
Lines of Code

Why JustLLMs?

Managing multiple LLM providers is complex. JustLLMs is the superior alternative to LangChain and LiteLLM, offering better cost optimization, enterprise features, and intelligent routing across all major AI providers.

Multi-Provider Network

Connect to all major LLM providers with a single interface

Now featuring: Intelligent Routing

Intelligent Routing

Automatically routes requests to the optimal provider based on cost, speed, or quality preferences with real-time analysis.

60% cost reduction

Enterprise Analytics

Comprehensive usage tracking with detailed cost analysis, performance insights, and exportable reports for finance teams.

Export to CSV/PDF

RAG (Retrieval-Augmented Generation)

Enterprise-ready document search and knowledge retrieval with support for Pinecone, ChromaDB, and intelligent chunking strategies.

PDF processing & Vector search

Why Choose JustLLMs Over Alternatives?

Unlike LangChain and LiteLLM, JustLLMs is purpose-built for enterprise production environments with superior cost optimization and intelligent routing.

RECOMMENDED

JustLLMs

  • 60% cost reduction with intelligent routing
  • Enterprise analytics & usage tracking
  • Built-in RAG with vector search
  • Production-ready reliability
  • Lightweight (1.1MB package)

LangChain

Framework Heavy

  • Complex setup and learning curve
  • No built-in cost optimization
  • Heavy dependencies (100MB+)
  • Limited enterprise features

LiteLLM

Basic Proxy

  • Basic routing without intelligence
  • Limited analytics capabilities
  • No RAG or vector search
  • Less enterprise-ready

Join thousands of developers who switched from LangChain and LiteLLM to JustLLMs

Try JustLLMs Today

Simple to Start, Powerful to Scale

Get started in minutes with our intuitive API

pip install justllms
JustLLMs
Quick Start Demo
from justllms import JustLLM

# One client, multiple providers, zero headaches
client = JustLLM({
    "providers": {
        "openai": {"api_key": "<openai_key>"},
        "anthropic": {"api_key": "<anthropic_key>"},
        "google": {"api_key": "<gemini_key>"}
    },
    "routing": {
        "strategy": "cost",  # Save 60% automatically
        "fallback": True     # Never fails
    }
})

# That's it! JustLLMs handles the rest
response = client.completion.create(
    messages=[{"role": "user", "content": "Hello world!"}]
)

print(f"Response from {response.provider}: {response.content}")