Question 1

Is Portkey better than LangChain?

Accepted Answer

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

Question 2

Is Portkey free?

Accepted Answer

Portkey pricing: Free + Pro plans.

Question 3

Is LangChain free?

Accepted Answer

LangChain pricing: Free + LangSmith paid.

Question 4

What are the main differences between Portkey and LangChain?

Accepted Answer

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

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

PortkeyvsLangChain

Portkey

LangChain

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