Haystack
#1Also does rag, like LangChain. Choose Haystack if your work leans toward search.
PaidOpen source
At a glance
LangChain vs 9| Tool | Pricing | Notes | Upvotes | Compare |
|---|---|---|---|---|
 LangChainThis tool | Paid | Open source | - | - |
| Paid | Open source | - | - | |
 LlamaIndexThe leading data framework for building LLM-powered applications | Paid | Open source | - | - |
| Paid | Open sourceAPI | - | - | |
 Vanna.aiTrain an AI model on your schema and query data in plain English | Paid | Open source | - | - |
| Paid | API | - | - | |
| Paid | - | 1 | - | |
 AI/ML APIUnified API marketplace for 200+ AI and machine learning models | Paid | - | - | - |
 CapacityAI-powered support automation platform for enterprise help desks | Paid | - | - | - |
 AgentaOpen-source LLMOps platform for prompt engineering and evaluation | Paid | Open source | - | - |
All 9 alternatives
Ranked by upvotesLlamaIndex
#2Also does rag, like LangChain. Pricing and platforms are the same, so try both.
PaidOpen source
Mastra
#3Also does rag, like LangChain. Choose Mastra if you need to call it from your own code, or if your work leans toward business, productivity, agent.
PaidOpen sourceAPI
Vanna.ai
#4Also does rag, like LangChain. Choose Vanna.ai if your work leans toward database, fine tuning.
PaidOpen source
OpenAI API
#5Also does rag, like LangChain. Choose OpenAI API if you need to call it from your own code, or if your work leans toward speech to text, api.
PaidAPI
Calmo
#6Also does rag, like LangChain. Choose Calmo if your work leans toward customer support, automation.
Paid1
AI/ML API
#7Also does rag, like LangChain. Choose AI/ML API if your work leans toward education.
Paid
Capacity
#8Also does rag, like LangChain. Choose Capacity if your work leans toward customer support, automation.
Paid
Agenta
#9Choose Agenta if your work leans toward devops, prompt engineering.
PaidOpen source