LM-Kit.NET

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Tagline:The complete local AI runtime for .NET.

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AI Developer Tools AI API Interface AI Agent AI PDF Tools AI Document Extraction AI Speech-to-Text AI OCR Text Recognition AI Translation Freemium API Available Self-Hosted Offline Support For Developers For Enterprise Windows Compatible Linux Compatible

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What is LM-Kit.NET?

LM-Kit.NET is a NuGet SDK that runs LLMs, agents, RAG, document intelligence, vision, text analysis, and speech on-device in .NET apps. It targets .NET Standard 2.0 and .NET 8/9/10 on Windows, Linux, and macOS with CPU, AVX2, CUDA 12/13, Vulkan, or Metal backends. One package, zero cloud calls, full control of your data and latency.

How to use LM-Kit.NET?

Create a .NET console project, run `dotnet add package LM-Kit.NET`, then load a model with `LM.LoadFromModelID("qwen3.5:4b")` and call `SingleTurnConversation`, `Agent`, or `DocumentRag` APIs. The quickstart walks through chat, function-calling agents, and a PDF RAG pipeline with no API key or signup.

LM-Kit.NET Core Features

AI Agents

ReAct planning, supervisors, parallel and pipeline orchestrators, persistent memory, MCP clients, and custom tools for building agents in .NET.

Document Intelligence

PDF text and table extraction, on-device OCR, and structured field extraction with grammar-constrained generation.

RAG & Knowledge

Built-in vector store plus Qdrant and pgvector connectors, embeddings, hybrid retrieval, document chunking, and source citations.

Local Inference

Ships open-weight LLMs, vision-language models, embeddings, speech-to-text, OCR, and classifiers accelerated on CPU, AVX2, CUDA 12/13, Vulkan, or Metal.

Vision & Multimodal

Image understanding, classification, labeling, multimodal chat, image embeddings, VLM-OCR, and background removal on the same conversation surface as LLMs.

Speech & Audio

Local speech-to-text with hallucination suppression, voice activity detection, real-time translation, streaming output, and 100+ languages.

LM-Kit.NET Use Cases

Run local AI agents and tool calling inside .NET apps without cloud API bills

Build on-device RAG pipelines over PDFs and documents with source citations

Deploy OCR, speech-to-text, and document extraction in air-gapped or regulated environments

LM-Kit.NET Frequently Asked Questions

How does licensing work?

Licensing is per unique application. You need one license per distinct software product you create, regardless of how many customers or deployments you have.

Can I use the Community License commercially?

Yes. You can deploy commercial applications with the Community License, but you must clearly acknowledge the use of LM-Kit.NET on your product webpage.

Are there per-developer or per-seat fees?

No. You may have an unlimited number of developers building and maintaining your licensed applications.

Do I need a new license for updates?

No. You do not need separate licenses for updates, patches, or new versions of the same licensed application.

How is Professional pricing determined?

Professional pricing is tailored to each customer based on company size, project scope, and the value LM-Kit.NET brings to your product. Contact the sales team for a proposal.

LM-Kit.NET Product Background & Official Links

LM-Kit.NET Support Email & Customer service contact & Refund contact etc.

LM-Kit.NET Support Email: support@lm-kit.com

More Contact, visit the about us page(https://docs.lm-kit.com/lm-kit-net/index.html)

LM-Kit.NET Company Info

LM-Kit.NET Company name: Calico IIM Group

LM-Kit.NET Developer Type: company

LM-Kit.NET Company address: Occitanie, FR

More about LM-Kit.NET, Please visit the about us page(https://docs.lm-kit.com/lm-kit-net/index.html)

LM-Kit.NET Pricing & Plans

Community License

Free

Full SDK access for any company or individual
Build and deploy non-commercial applications or evaluate before shipping
Windows, Linux, and macOS support
Community support on GitHub

Subscribe & upgrade now

Professional License

contact

Custom per project

Commercial redistribution rights
Dedicated technical support
Unlimited developers and end users
Volume licensing and SLA-backed terms for enterprises