LLM SDK Packages LLM Tools

C# SDKs and client libraries for LLM APIs and AI services. Includes official and unofficial SDKs wrapping commercial APIs (OpenAI, Google, Cohere, etc.) and specialized AI platforms. Does NOT include application frameworks, desktop apps, chat interfaces, or language-agnostic API specifications.

There are 47 llm sdk packages tools tracked. 1 score above 50 (established tier). The highest-rated is AssemblyAI/assemblyai-node-sdk at 50/100 with 70 stars.

Get all 47 projects as JSON

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# Tool Score Tier
1 AssemblyAI/assemblyai-node-sdk

The AssemblyAI JavaScript SDK provides an easy-to-use interface for...
50
Established
2 tryAGI/HuggingFace

C# SDK based on official HuggingFace OpenAPI specification
47
Emerging
3 tryAGI/OpenAI

C# SDK based on official OpenAI OpenAPI specification
45
Emerging
4 tryAGI/ElevenLabs

C# SDK based on official ElevenLabs OpenAPI specification
43
Emerging
5 tryAGI/CSharpToJsonSchema

Helpers and Source generator to define...
38
Emerging
6 tryAGI/Leonardo

Generated C# SDK based on Leonardo AI OpenAPI specification
37
Emerging
7 tryAGI/Firecrawl

Generated C# SDK based on official Firecrawl OpenAPI specification
37
Emerging
8 tryAGI/AssemblyAI

C# SDK based on official AssemblyAI OpenAPI specification
37
Emerging
9 tryAGI/LangSmith

LangSmith C# SDK based on official LangSmith OpenAPI specification
37
Emerging
10 tryAGI/Google_Generative_AI

C# SDK based on official Google Gemini OpenAPI specification
36
Emerging
11 AssemblyAI/assemblyai-api-spec

The OpenAPI spec, AsyncAPI spec, and Postman collection for AssemblyAI's APIs
36
Emerging
12 tryAGI/Replicate

Generated C# SDK based on official Replicate OpenAPI specification
35
Emerging
13 tryAGI/AI21

Generated C# SDK based on official AI21 OpenAPI specification
35
Emerging
14 custouch/DashScope.net

Aliyun DashScope灵积模型服务 SDK，通义千问SDK
32
Emerging
15 AssemblyAI/assemblyai-java-sdk

The AssemblyAI Java SDK provides an easy-to-use interface for interacting...
31
Emerging
16 pieces-app/pieces-os-client-sdk-for-csharp

The Pieces OS Client SDK is a powerful code engine package designed for...
31
Emerging
17 AssemblyAI/assemblyai-csharp-sdk

The AssemblyAI C# .NET SDK provides an easy-to-use interface for interacting...
29
Experimental
18 tryAGI/Cohere

C# SDK based on official Cohere OpenAPI specification
26
Experimental
19 tryAGI/Groq

C# SDK based on Groq OpenAPI specification
26
Experimental
20 tryAGI/Mistral

C# SDK based on official Mistral OpenAPI specification
26
Experimental
21 tryAGI/Jina

C# SDK based on official Jina OpenAPI specification
26
Experimental
22 devlooped/xAI

xAI .NET SDK based on the official gRPC API reference from xAI with...
25
Experimental
23 tryAGI/Ideogram

Generated C# SDK based on official Ideogram OpenAPI specification
25
Experimental
24 tryAGI/Together

SDK for Together API
25
Experimental
25 tryAGI/Ultravox

C# SDK based on official Ultravox OpenAPI specification
25
Experimental
26 tryAGI/DeepInfra

C# SDK based on official DeepInfra OpenAPI specification
25
Experimental
27 tryAGI/Tavily

C# SDK based on Tavily OpenAPI specification
25
Experimental
28 tryAGI/Weaviate

C# SDK based on official Weaviate OpenAPI specification
24
Experimental
29 tryAGI/Instill-AI

C# SDK based on official Instill OpenAPI specification
24
Experimental
30 tryAGI/Luma

C# SDK based on official Luma OpenAPI specification
24
Experimental
31 stevepan643/dashscope-sdk-c

An unofficial C SDK for DashScope.
23
Experimental
32 tryAGI/HeyGen

Generated C# SDK based on official HeyGen Postman collection
23
Experimental
33 tryAGI/Hedra

C# SDK based on official Hedra OpenAPI specification
23
Experimental
34 tryAGI/Writer

C# SDK for the Writer AI API -- chat completions, knowledge graphs, vision,...
22
Experimental
35 tryAGI/Langfuse

C# SDK for the Langfuse API -- LLM observability, tracing, evaluation,...
22
Experimental
36 tryAGI/Xai

C# SDK for the xAI (Grok) API - chat, images, video, realtime voice, embeddings
22
Experimental
37 aios-ai/voxta-providers

Adds functionality to Voxta by utilizing the SDK.
22
Experimental
38 tryAGI/Reka

Generated C# SDK based on Reka OpenAPI specification
22
Experimental
39 tryAGI/Recraft

C# SDK based on official Recraft OpenAPI specification
22
Experimental
40 tryAGI/Vectara

C# SDK based on official Vectara OpenAPI specification
22
Experimental
41 tryAGI/Flowise

C# SDK based on official Flowise OpenAPI specification
22
Experimental
42 tryAGI/Chroma

C# SDK based on official Chroma OpenAPI specification
22
Experimental
43 tryAGI/Runway

C# SDK based on Runway OpenAPI specification
22
Experimental
44 The-Swarm-Corporation/swarms-csharp

Swarms API SDK In C Sharp
20
Experimental
45 veerashayyagari/google-palm-sdk

C# Client SDK (Unofficial) for Google Palm Large Language Models
13
Experimental
46 tryAGI/Midjourney

Generated C# SDK based on Midjourney OpenAPI specification using NSwag.
11
Experimental
47 tryAGI/Mystic

Generated C# SDK based on official Mystic OpenAPI specification
10
Experimental

Comparisons in this category

assemblyai-node-sdk and assemblyai-java-sdk (50 vs 31) assemblyai-node-sdk and assemblyai-csharp-sdk (50 vs 29) HuggingFace and OpenAI (47 vs 45) OpenAI and ElevenLabs (45 vs 43) OpenAI and Google_Generative_AI (45 vs 36) OpenAI and Groq (45 vs 26) OpenAI and AssemblyAI (45 vs 37) OpenAI and AI21 (45 vs 35) assemblyai-java-sdk and assemblyai-csharp-sdk (31 vs 29) AssemblyAI and assemblyai-csharp-sdk (37 vs 29)