LangSmith vs Impact AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. LangSmith starts at $39/mo and Impact AI 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
- Pre-deployment testing
- Production monitoring
- Automated alerts
- AI portfolio governance
- Role-based modules
| Feature | LangSmith | Impact AI |
|---|---|---|
| Best for | Tracing, evaluation and deployment platform for LLM agents | Testing and monitoring platform for generative AI products |
| Category | Models & APIs | Models & APIs |
| Pricing model | Freemium | Paid |
| Starting price | $39/mo | See pricing page |
| Free plan | Yes | No |
| Made by | LangChain | Impact AI |
| 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 Impact AI 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
Impact AI
- Covers pre-launch and live monitoring
- Governance across a whole AI portfolio
- Shared metrics for product and risk
- No public pricing
- Demo required to evaluate
- Few technical details on the homepage
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 Impact AI if you want:
- Covers pre-launch and live monitoring
- Governance across a whole AI portfolio
- Shared metrics for product and risk
Watch out: no public pricing.
LangSmith vs Impact AI FAQ
What is the difference between LangSmith and Impact AI?
LangSmith: Tracing, evaluation and deployment platform for LLM agents. Impact AI: Testing and monitoring platform for generative AI products. Both are models & apis tools.
Is LangSmith or Impact AI cheaper?
LangSmith starts at $39/mo and Impact AI starts at See pricing page. Check both pricing pages for current plans.
Do LangSmith and Impact AI have free plans?
LangSmith: Yes. Impact AI: No.
Who makes LangSmith?
LangSmith is made by LangChain, based in United States.
Who makes Impact AI?
Impact AI is made by Impact AI.
Which should I choose, LangSmith or Impact AI?
Choose LangSmith if you value detailed agent traces and strong langgraph integration. Choose Impact AI if you value covers pre-launch and live monitoring and governance across a whole ai portfolio.