kitio.aiLangSmith vs Evaligo
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. LangSmith starts at $39/mo and Evaligo 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
- SWE-Race coding benchmark
- RL training environments
- Held-out private test split
- Public model leaderboard
- Harbor format support
| Feature | LangSmith | Evaligo |
|---|---|---|
| Best for | Tracing, evaluation and deployment platform for LLM agents | Benchmarks and RL training environments for LLM agents |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Freemium |
| Starting price | $39/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | LangChain | Evaligo |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
LangSmith starts at $39/mo and Evaligo 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
Evaligo
- Tasks drawn from real repositories
- Private split guards against contamination
- Works with any RL trainer
- Only the coding benchmark is live so far
- Pricing for training access is not published
- Aimed at model builders, not end users
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 Evaligo if you want:
- Tasks drawn from real repositories
- Private split guards against contamination
- Works with any RL trainer
Watch out: only the coding benchmark is live so far.
LangSmith vs Evaligo FAQ
What is the difference between LangSmith and Evaligo?
LangSmith: Tracing, evaluation and deployment platform for LLM agents. Evaligo: Benchmarks and RL training environments for LLM agents. Both are models & apis tools.
Is LangSmith or Evaligo cheaper?
LangSmith starts at $39/mo and Evaligo starts at See pricing page. Check both pricing pages for current plans.
Do LangSmith and Evaligo have free plans?
LangSmith: Yes. Evaligo: Yes.
Who makes LangSmith?
LangSmith is made by LangChain, based in United States.
Who makes Evaligo?
Evaligo is made by Evaligo.
Which should I choose, LangSmith or Evaligo?
Choose LangSmith if you value detailed agent traces and strong langgraph integration. Choose Evaligo if you value tasks drawn from real repositories and private split guards against contamination.