LangChain starts at $39/month on the Plus plan.
Verified Sep 2026 from the official pricing page.
Is LangChain worth the price?
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.
| Tool | Starting price | Free plan |
|---|---|---|
| LangChain | $39/month, billing unit not specified | Yes |
| LlamaIndex | Contact sales | Yes |
| Haystack | Contact sales | Yes |
| Semantic Kernel | Free | Yes |
| DSPy | Free | Yes |
| FlowiseAI | $35/month, billing unit not specified | Yes |
| AutoGen | Free | Yes |
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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