- All platform features
- 1000 traces / month included
- 30 days data access
- 2 users
- Community Support (Github & Discord)
LangWatch
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LangWatch is a platform that empowers users to monitor, evaluate, and enhance their AI systems' quality using comprehensive analytics and evaluation tools.
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LangWatch is a platform that empowers users to monitor, evaluate, and enhance their AI systems' quality using comprehensive analytics and evaluation tools.
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What is LangWatch?
LangWatch is designed to help businesses track, monitor, and enhance their AI systems. The platform provides tools for quality control and user analytics, enabling companies to independently verify AI performance, guard against risks like hallucinations, and continuously improve their models based on user interactions and feedback.
Who will use LangWatch?
- Businesses using AI systems
- AI developers
- Data scientists
- System administrators
How to use the LangWatch?
- Step1: Visit the LangWatch website.
- Step2: Sign up for an account.
- Step3: Integrate LangWatch with your AI project using the provided API.
- Step4: Set up monitoring and analytic parameters.
- Step5: Review analytics and reports to improve your AI system.
Platform
- Web
- Chrome Extensions
LangWatch's Core Features & Benefits
The Core Features
- AI system monitoring
- Quality evaluation tools
- User interaction analytics
- Risk management
The Benefits
- Enhanced AI model quality
- Risk mitigation for AI deployment
- Data-driven insights
- Continuous improvement of AI systems
LangWatch's Main Use Cases & Applications
- Monitoring AI performance
- Ensuring AI quality and accuracy
- Detecting and mitigating risks like hallucinations
- Analyzing user interactions
LangWatch's Pros & Cons
The Pros
Automates testing of AI agents in realistic simulated environments, reducing manual effort.
Open-source and supports multiple AI agent frameworks in Python and TypeScript.
Enterprise-grade security, compliance (GDPR, ISO27001), and flexible deployment options.
Enables collaboration with domain experts for scenario creation and annotation without technical knowledge.
Integrates automated LLM evaluations, observability, and optimization tools to improve AI system reliability.
Version-controlled test suites integrate with CI/CD pipelines.
Detailed failure analysis and root cause identification to improve AI agent quality.
The Cons
No direct consumer-facing mobile or desktop apps available via app stores.
Primarily targeted at enterprise and developer users, which may limit accessibility for non-technical users.
Pricing details are available but not explicitly detailed on the main page.
LangWatch's Pricing
| Has free plan | YES |
|---|---|
| Free trial details | Free Developer plan with 1000 traces/month included, no credit card required |
| Pricing model | Freemium |
| Is credit card required | No |
| Paid from | 59 EUR |
| Has lifetime plan | No |
| Billing frequency | Monthly |
Details of Pricing Plan
Developer
0 EURLaunch
59 EUR- Everything in Developer
- 20k traces / month included (~120k events)
- 180 days data access
- 3 users
- Unlimited Evaluations
- Unlimited Optimizations
- Slack and Email Support
- Additional: €5 / 10k traces
- Additional: €19 / user
Accelerate
199 EUR- Everything in Launch
- 20k traces / month included (~120k events)
- Up to 2 years data retention
- 5 users
- ISO27001 reports
- Additional: €45 / 100k traces
- Additional: €10 / user
- Dedicated support and security controls for larger teams
Enterprise
Custom EUR- Self-hosting, enterprise-grade support and security features
- Everything in Accelerate
- Custom traces, audit logs, users
- Uptime & Support SLA
- Custom terms and SLA
- Dedicated Support Engineer
- Optional Billing via AWS Marketplace
FAQs of LangWatch
LangWatch Company Information
- Website:
- Company Name: LangWatch
- Support Email:
- Facebook:
- X(Twitter):
- YouTube:
- Instagram:
- Tiktok:
- LinkedIn:
Analytic of LangWatch
Visit Over Time
Monthly Visits
17.5k
Avg Visit Duration
00:00:21
Page Per Visit
2.20
Bounce Rate
38.93%
Apr 2026 - Jun 2026 All Traffic
Geography
Top 5 Regions
United States
34.73%
India
11.03%
Vietnam
9.04%
Brazil
6.57%
United Kingdom
5.17%
Apr 2026 - Jun 2026 Worldwide Desktop Only
Top Keywords
| Keyword | Traffic | Cost Per Click |
|---|---|---|
| langwatch | 820 | $ 5.12 |
| llm hallucination examples | 200 | $ -- |
| openclaw diagnostics plugin | 160 | $ -- |
| scenario red team crescendo | 100 | $ -- |
| agent testing | 110 | $ -- |
LangWatch Reviews
5/5
LangWatch's Main Competitors and alternatives?
Lang.ai
expert.ai
Google Natural Language AI
IBM Watson AI
Cohere
AWS AI tools
Azure Language Understanding
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