Neura Market
llm-chain logo

llm-chain

Free

is a powerful rust crate for building chains in LLMs allowing you to summarise text and complete complex tasks. ![GitHub Repo stars](https://img.shields.io/github/stars/sobelio/llm-chain?style=social)

FreeFree tier
Inputs: textOutputs: text
Type
Open Source
Visit Website GitHub (40 stars)

About llm-chain

llm-chain is a collection of Rust crates designed to help developers build advanced LLM applications such as chatbots, agents, and more. It provides a comprehensive LLM-Ops platform with strong support for both cloud (e.g., OpenAI ChatGPT) and locally-hosted LLMs (e.g., LLaMa, Alpaca, llm.rs). The crate enables prompt templating, multi-step chaining, and vector store integrations for long-term memory and subject matter knowledge. It includes tools to enhance AI agents (bash commands, Python scripts, web searches) and is built for extensibility and community contributions. Requires Rust 1.65.0 or newer.

Key Features

Prompt templates for reusable and customizable interactions
Multi-step chains for complex tasks
ChatGPT (OpenAI) support with plans for other models
LLaMa model integration
Alpaca model integration
llm.rs support for Rust-native LLMs without C++ dependencies
Tools: Bash commands, Python scripts, web searches
Vector store integrations for long-term memory
Extensible design for additional LLMs
Community-driven development

Pros & Cons

Pros
  • Written in Rust for performance and safety
  • Supports both cloud and local LLMs
  • Offers prompt templating and chaining for complex workflows
  • Includes a variety of tool integrations (bash, python, web search)
  • Active open-source community and extensible
  • Free and open source (MIT license implied)
Cons
  • Requires knowledge of Rust programming language
  • Currently at version 0.12.0, still in early development
  • Documentation may be limited for beginners
  • No built-in GUI, primarily a library for developers
  • LLM model support is currently limited to ChatGPT, LLaMa, Alpaca, and llm.rs

Best For

Building chatbotsCreating intelligent agentsSummarizing textMulti-step reasoning tasksPersonalized greeting generationApplications requiring long-term memory via vector stores

FAQ

What is llm-chain?
llm-chain is a Rust crate for building advanced LLM applications such as chatbots and agents. It provides prompt templates, multi-step chains, vector store integrations, and tool support.
How do I get started with llm-chain?
Add llm-chain and llm-chain-openai as dependencies in your Cargo.toml (Rust 1.65.0+). Set the OPENAI_API_KEY environment variable, then refer to the documentation and examples in the repository.
Which LLMs does llm-chain support?
Currently supports ChatGPT (OpenAI), LLaMa, Alpaca, and llm.rs. Plans exist to add more OpenAI models in the future.
Can I use llm-chain with local models?
Yes, llm-chain supports locally-hosted LLMs, including LLaMa and Alpaca, through the provided integrations.