Question 1

Is LangChain better than Portkey?

Accepted Answer

It depends on your use case. LangChain is known for Framework for building applications with large language models, while Portkey AI gateway for reliable and fast LLM applications. See our full comparison above for a detailed breakdown.

Question 2

Is LangChain free?

Accepted Answer

LangChain pricing: Free + LangSmith paid.

Question 3

Is Portkey free?

Accepted Answer

Portkey pricing: Free + Pro plans.

Question 4

What are the main differences between LangChain and Portkey?

Accepted Answer

LangChain and Portkey differ in features, pricing, and platform support. LangChain: Framework for building applications with large language models. Portkey: AI gateway for reliable and fast LLM applications. See the full side-by-side comparison above for details.

Feature	LangChain	Portkey
Category	AI Agent Frameworks	LLM APIs & Inference
Pricing	Free + LangSmith paid	Free + Pro plans
GitHub Stars	✓ More stars 98k	6k
Platforms	macOS, Linux, Windows	Web, Docker
Key Features	✓ Chain composition ✓ RAG pipelines ✓ Agent toolkits ✓ Memory systems ✓ Streaming ✓ Multi-model ✓ LangGraph	✓ AI gateway ✓ Fallbacks ✓ Load balancing ✓ Caching ✓ Observability
Pros	+ Massive ecosystem and community + Modular and composable + Supports every major LLM provider + Excellent documentation + LangSmith for monitoring	+ Automatic fallbacks + Load balancing + Request caching + Observability built-in + Open-source gateway
Cons	− Can be overly complex for simple tasks − Frequent breaking changes − Abstraction overhead − Steep learning curve	− Added infrastructure layer − Learning curve − Some features need Pro − Latency overhead
Tags	open-sourceframeworkpythonjavascriptragchains	gatewayreliabilityobservabilityapi

LangChainvsPortkey

LangChain

Portkey

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