Best Semantic Kernel Alternatives in 2026

#1 alternative

Cline

Open-source autonomous coding agent for VS Code that runs on your own model API keys.

#2 alternative

vLLM

High-throughput open-source LLM inference engine

#3 alternative

Ollama

Run open LLMs locally with a single command.

#4 alternative

Hugging Face

The open hub for machine learning models, datasets, and demos.

#5 alternative

Groq

Very fast LLM inference on custom LPU hardware.

#6 alternative

Together AI

Inference, fine-tuning, and GPU clusters for open models.

#7 alternative

Replicate

Run and deploy open-source AI models with one API call.

#8 alternative

Weaviate

Open-source AI-native vector database

#9 alternative

Qdrant

High-performance open-source vector search engine

#10 alternative

Chroma

Open-source embedding database for AI apps

#11 alternative

Milvus

Open-source vector database built for scale

#12 alternative

Langfuse

Open-source LLM observability and evaluation