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LangChain Pricing 2026

Plans, hidden costs, and alternatives compared

Coverage fromVentureBeatTechRadar
3 plans tracked·Updated Sep 2026

Cite this data: Toolradar, LangChain pricing verified Sep 2026, toolradar.com/tools/langchain/pricing

LangChain starts at $39/month on the Plus plan.

Verified Sep 2026 from the official pricing page.

Is LangChain worth the price?

Good value

LangChain's pricing is quite generous, especially with a robust free Developer tier offering 5,000 traces/month.

The Plus tier at $39/month for 100,000 traces offers excellent value for growing projects. This structure is best for developers and small to medium-sized teams building and monitoring LLM applications.

Pricing Plans

Developer

Free

Getting started

  • 5,000 traces/month
  • Basic features
  • Community support
  • LangSmith included

Plus

$39/month

Growing projects

  • 100,000 traces/month
  • All features
  • Email support
  • Longer retention

Enterprise

Custom

Large scale

  • Unlimited traces
  • SSO/SAML
  • SLA
  • Dedicated support

Hidden Costs & Gotchas

Potential overage fees for traces

How LangChain compares

6 of 6 direct competitors offer a free plan.

ToolStarting priceFree plan
LangChain$39/month, billing unit not specifiedYes
LlamaIndexContact salesYes
HaystackContact salesYes
Semantic KernelFreeYes
DSPyFreeYes
FlowiseAI$35/month, billing unit not specifiedYes
AutoGenFreeYes

LangChain Pricing FAQ

How much does LangChain cost?

LangChain starts at $39/month on the Plus plan. A free plan is also available.

Does LangChain have a free plan?

Yes. LangChain offers a free plan called "Developer". It includes: 5,000 traces/month, Basic features, Community support.

What are alternatives to LangChain?

Alternatives to LangChain include LlamaIndex, Haystack, Semantic Kernel, DSPy. Semantic Kernel, DSPy, AutoGen are fully free. FlowiseAI starts at $35/month, billing unit not specified.

LangChain alternatives

Direct competitors. Starting prices match the table above.

Sources

  • Official LangChain pricing: langchain.com/pricing (verified Sep 2026)
  • Cite this data: Toolradar, LangChain pricing verified Sep 2026, toolradar.com/tools/langchain/pricing
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