LMSupply.Captioner 0.42.1

.NET 10.0 This package targets .NET 10.0. The package is compatible with this framework or higher.
There is a newer version of this package available.
See the version list below for details. 
dotnet add package LMSupply.Captioner --version 0.42.1
                    


                    

                
NuGet\Install-Package LMSupply.Captioner -Version 0.42.1
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="0.42.1" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="LMSupply.Captioner" Version="0.42.1" />
                    


                            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 0.42.1
                    


                    

                
#r "nuget: LMSupply.Captioner, 0.42.1"
#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@0.42.1
#: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=0.42.1
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=LMSupply.Captioner&version=0.42.1
                    


                            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
0.45.0 44 9/3/2026
0.44.0 42 9/3/2026
0.42.10 94 8/31/2026
0.42.5 78 8/29/2026
0.42.4 93 8/27/2026
0.42.3 90 8/25/2026
0.42.2 355 8/24/2026
0.42.1 158 8/20/2026
0.42.0 112 8/18/2026
0.41.1 85 8/18/2026
0.41.0 96 8/18/2026
0.40.3 92 8/17/2026
0.40.1 103 8/16/2026
0.40.0 103 8/11/2026
0.39.0 96 8/9/2026
0.38.1 99 8/6/2026
0.38.0 97 8/6/2026
0.37.2 102 8/6/2026
0.37.1 133 7/19/2026
0.37.0 117 7/17/2026
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