LMSupply.Captioner 0.67.1

dotnet add package LMSupply.Captioner --version 0.67.1
                    
NuGet\Install-Package LMSupply.Captioner -Version 0.67.1
                    
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="LMSupply.Captioner" Version="0.67.1" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="LMSupply.Captioner" Version="0.67.1" />
                    
Directory.Packages.props
<PackageReference Include="LMSupply.Captioner" />
                    
Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add LMSupply.Captioner --version 0.67.1
                    
#r "nuget: LMSupply.Captioner, 0.67.1"
                    
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#:package LMSupply.Captioner@0.67.1
                    
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=LMSupply.Captioner&version=0.67.1
                    
Install as a Cake Addin
#tool nuget:?package=LMSupply.Captioner&version=0.67.1
                    
Install as a Cake Tool

LMSupply.Captioner

Local image captioning for .NET with automatic model downloading.

Features

  • Zero-config: Models download automatically from HuggingFace
  • GPU Acceleration: CUDA, DirectML (Windows), CoreML (macOS)
  • Cross-platform: Windows, Linux, macOS
  • Simple API: Just 2 lines of code to get started

Quick Start

using LMSupply.Captioner;

// Load the default captioning model
var captioner = await LocalCaptioner.LoadAsync("default");

// Generate a caption
var result = await captioner.CaptionAsync("photo.jpg");
Console.WriteLine(result.Caption);
// Output: "A cat sitting on a windowsill looking outside"

Available Models

Model ID Size Description
default ~500MB ViT-GPT2 - fast, general purpose
vit-gpt2 ~500MB Same as default
smolvlm ~600MB SmolVLM-256M - lightweight multimodal
florence2 ~500MB Florence-2-base - multi-task vision

Advanced Usage

// Custom options
var options = new CaptionerOptions
{
    MaxLength = 50,
    Provider = ExecutionProvider.DirectML
};

var captioner = await LocalCaptioner.LoadAsync("default", options);
var result = await captioner.CaptionAsync("image.jpg");

Console.WriteLine($"Caption: {result.Caption}");
Console.WriteLine($"Confidence: {result.Confidence:P1}");

GPU Acceleration

Install the appropriate GPU package for your hardware:

# NVIDIA GPU
dotnet add package Microsoft.ML.OnnxRuntime.Gpu

# Windows (AMD/Intel/NVIDIA)
dotnet add package Microsoft.ML.OnnxRuntime.DirectML
Product Compatible and additional computed target framework versions.
.NET net10.0 is compatible.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (1)

Showing the top 1 NuGet packages that depend on LMSupply.Captioner:

Package Downloads
FileFlux.Providers.LMSupply

LMSupply local ONNX model provider for FileFlux: document analysis (summarization, metadata extraction), embeddings, OCR, and image captioning — no API key required.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
0.67.1 0 9/17/2026
0.67.0 0 9/17/2026
0.66.1 50 9/16/2026
0.66.0 61 9/16/2026
0.65.1 148 9/13/2026
0.65.0 145 9/12/2026
0.64.0 104 9/11/2026
0.63.0 115 9/11/2026
0.62.0 136 9/10/2026
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0.60.0 118 9/9/2026
0.59.1 122 9/8/2026
0.59.0 118 9/8/2026
0.58.0 142 9/7/2026
0.57.0 116 9/7/2026
0.56.0 103 9/7/2026
0.55.5 99 9/7/2026
0.55.4 125 9/7/2026
0.55.0 145 9/5/2026
0.45.0 101 9/3/2026
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