kitio.aiLangSmith vs Raindrop
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. LangSmith starts at $39/mo and Raindrop starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Agent tracing
- Datasets and evaluators
- Prompt hub
- Agent deployment
- Online monitoring
- Agent run tracing
- Silent failure detection
- Triage agent in Slack and MCP
- Signals and experiments
- Local replay and debugging
- Pre-release simulations
| Feature | LangSmith | Raindrop |
|---|---|---|
| Best for | Tracing, evaluation and deployment platform for LLM agents | Monitoring that finds silent failures in production AI agents |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Freemium |
| Starting price | $39/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | LangChain | Raindrop |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
LangSmith starts at $39/mo and Raindrop starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Developer
Free
- 1 seat
- 5k base traces / month, then pay as you go
- Community support
Plus
$39/mo
- Per seat
- 10k base traces / month, then pay as you go
- Access to Deployment and Engine
- Unlimited seats
Enterprise
Custom
- Self-hosted and hybrid deployment
- Custom SSO, ABAC and RBAC
- Support SLA
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
LangSmith
- Detailed agent traces
- Strong LangGraph integration
- Works with any framework
- Per-seat pricing adds up
- Trace retention costs extra
- Self-hosting is enterprise-only
Raindrop
- Focuses on failures users actually hit
- Works from Slack and MCP
- Free start without a card
- Plan prices not shown in the evidence
- Simulations still in early access
- Mainly useful once agents are in production
Which one should you choose?
Choose LangSmith if you want:
- Detailed agent traces
- Strong LangGraph integration
- Works with any framework
Watch out: per-seat pricing adds up.
Choose Raindrop if you want:
- Focuses on failures users actually hit
- Works from Slack and MCP
- Free start without a card
Watch out: plan prices not shown in the evidence.
LangSmith vs Raindrop FAQ
What is the difference between LangSmith and Raindrop?
LangSmith: Tracing, evaluation and deployment platform for LLM agents. Raindrop: Monitoring that finds silent failures in production AI agents. Both are models & apis tools.
Is LangSmith or Raindrop cheaper?
LangSmith starts at $39/mo and Raindrop starts at See pricing page. Check both pricing pages for current plans.
Do LangSmith and Raindrop have free plans?
LangSmith: Yes. Raindrop: Yes.
Who makes LangSmith?
LangSmith is made by LangChain, based in United States.
Who makes Raindrop?
Raindrop is made by Raindrop, based in United States.
Which should I choose, LangSmith or Raindrop?
Choose LangSmith if you value detailed agent traces and strong langgraph integration. Choose Raindrop if you value focuses on failures users actually hit and works from slack and mcp.