LangChain alternatives

LangChain: Frameworks for LLM apps and agents, LangGraph for the stateful ones. If it isn't quite right, here are 14 other AI tools for building with AI from Radar, in Radar's order.

1. 1Hugging FaceHome of open AI: millions of models and datasets, and Spaces to demo them.Free plan
2. 2OllamaRun open models on your own machine with one command.Open source
3. 3Workers AIOpen models served from Cloudflare's network, with a free daily allowance.Free plan
4. 4LM StudioA desktop app to find, download and chat with local models.Free
5. 5Open WebUIA self-hosted ChatGPT-style interface for local and API models.Open source
6. 6JanAn open-source assistant that runs fully offline on your computer.Open source
7. 7OpenRouterOne API, one bill, hundreds of models from every provider.Free plan
8. 8Google AI StudioTry Gemini models for free and build apps on them in the browser.Free plan
9. 9OpenAI APIGPT models for your own apps: text, vision, voice, images and agents.Paid
10. 10Claude APIAnthropic's models for your own products and agents.Paid
11. 11GroqExtremely fast inference for open models, on its own chips.Free plan
12. 12ReplicateRun thousands of open models with an API call; pay by the second.Paid
13. 13falFast APIs for the latest image, video and audio models.Paid
14. 14LlamaIndexConnects LLMs to your documents and data: parsing, indexing, RAG and agents.Open source

Free to start: Hugging Face, Ollama, Workers AI.