LMSupply.Captioner 0.10.0

.NET 10.0 This package targets .NET 10.0. The package is compatible with this framework or higher. 
dotnet add package LMSupply.Captioner --version 0.10.0
                    


                    

                
NuGet\Install-Package LMSupply.Captioner -Version 0.10.0
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="0.10.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="LMSupply.Captioner" Version="0.10.0" />
                    


                            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 0.10.0
                    


                    

                
#r "nuget: LMSupply.Captioner, 0.10.0"
#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@0.10.0
#: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=0.10.0
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=LMSupply.Captioner&version=0.10.0
                    


                            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

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
0.10.0 65 1/22/2026
0.9.3 81 1/19/2026
0.9.2 78 1/19/2026
0.9.1 79 1/18/2026
0.9.0 82 1/18/2026
0.8.18 81 1/18/2026
0.8.17 85 1/17/2026
0.8.16 85 1/15/2026
0.8.15 79 1/13/2026
0.8.14 81 1/12/2026
0.8.13 82 1/10/2026
0.8.12 84 1/9/2026
0.8.11 80 1/9/2026
0.8.10 84 1/8/2026
0.8.9 82 1/8/2026
0.8.8 83 1/8/2026
0.8.7 82 1/8/2026
0.8.6 81 1/8/2026
0.8.5 90 1/7/2026
0.8.4 80 1/7/2026
0.8.3 181 12/22/2025
0.8.2 143 12/20/2025
0.8.1 239 12/19/2025
0.8.0 263 12/17/2025
0.7.3 267 12/17/2025
0.7.2 557 12/17/2025