What are the best LiteLLM alternatives in 2026?
The best open-source LiteLLM alternatives in 2026 are Transformers, LangChain, LLaMA-Factory, Mem0, LlamaIndex. These tools cover the same use cases as LiteLLM — unified api for 100+ llms with openai format — with the advantage of being open-source, free to self-host, and backed by active communities. Top picks are ranked by GitHub stars and community adoption, so you can find a drop-in replacement that fits your workflow.
State-of-the-art ML models for NLP, vision and audio
Framework for building LLM-powered applications
Unified fine-tuning framework for 100+ LLMs with WebUI
Memory layer for AI agents and assistants
Data framework for LLM applications over custom data
Programming—not prompting—language models
Efficient control and templating for language models
Structured text generation for language models
More Alternatives
Last updated: Aug 28, 2026 · Curated by AI Tools Hub Editorial · About · Contact · Privacy