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LangWatch

Monitor, evaluate, and optimize large language model applications

Monthly Visits: 23.1K
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Free Version
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LangWatch

What is LangWatch?

LangWatch helps AI development teams ensure quality and accelerate deployment of LLM-powered applications. It automates the tedious process of prompt engineering and model optimization while providing enterprise-grade monitoring tools. The platform acts like a quality control system for AI, helping teams track performance metrics and collaborate effectively across technical and non-technical roles.

Key Features of LangWatch

  1. 1

    Auto-Optimization

    Automatically finds best prompts/models using DSPy framework

  2. 2

    Dataset Management

    Collaborative workspace to set quality standards

  3. 3

    Versioned Experiments

    Track performance across pipeline changes

  4. 4

    Custom Evaluators

    30+ prebuilt or create your own quality checks

  5. 5

    Enterprise Security

    GDPR compliance & self-hosted deployment options

LangWatch AI Tool Use Cases

  • 🛠️
    Optimize RAG system performance
  • 👻
    Reduce LLM hallucinations
  • 🛡️
    Ensure compliance checks
  • 📊
    Improve categorization accuracy
  • 🤖
    Enhance agent routing logic

FAQs from LangWatch

What makes LangWatch different from other LLM monitoring tools?

Combines automated prompt optimization with enterprise monitoring using Stanford's DSPy framework

Can non-technical team members use this tool?

Yes, drag-and-drop interface allows collaboration with domain experts

How does LangWatch handle data security?

Offers self-hosted deployment and GDPR compliance with EU-based servers

Pros & Cons of LangWatch

Pros (4)

  • Automates weeks of manual prompt engineering work
  • Collaboration features for non-technical stakeholders
  • Scientific approach to LLM quality measurement
  • Enterprise-grade security controls

Cons (1)

  • Primarily targets technical AI teams

LangWatch's Pricing Plans

Free

monthly
$0

Features

  • Basic monitoring
  • 1 evaluator
  • Community support

Team

monthly
$500

Features

  • Advanced analytics
  • Custom evaluators
  • Priority support
  • Collaboration tools

Enterprise

annual
Custom

Features

  • Self-hosting
  • SLA agreements
  • Dedicated support
  • Custom integrations
For the latest pricing info, please visit the official website

More Info About LangWatch

Who is using langwatch?

This tool is best for:

  1. AI Developers
  2. ML Engineering Leads
  3. Enterprise AI Teams

LangWatch's Tags

Explore more niche AI tool websites by clicking on a tag* (works only if it has enough tools).

LangWatch Social Media

Visit LangWatch on social media to stay updated with the latest news and features.

Website Analytics of LangWatch

LangWatch Website Traffic & SEO Analysis:

Recent data shows that LangWatch has 23.1K monthly visits (-17.1% decrease from the previous month), 42.0% bounce rate, and average 2.81 pages per visit.
Traffic is primarily driven by 6 different sources, with users from 5 countries worldwide, led by India contributing 17% of total traffic. SEO performance is shown by 5 tracked keywords, with "langwatch" being the top-performing keyword with 950 monthly searches. See below for more info.

Monthly Visits

23.1K

(-17.1%)

Pages per Visit

2.81

Bounce Rate

42.0%

Average Time on Site

37s

Traffic Trend(Apr 2025 - Sep 2025)

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Top Keywords

SEO KeywordVolumeCPC
langwatch
950-
conversation simulation and evaluation tools
160-
langwatch multi turn evaluation
160-
multi turn conversations simulation tool
160-
langwatch vs langfuse
90-

Traffic Sources Distribution

Traffic Share by Source

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Source Breakdown Details

SourceTraffic Share
Direct
44%
Search
36%
Social
5%
Referrals
13%
Paid Referrals
1%

Global Traffic Distribution

Traffic Share by Country

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Geographic Breakdown Details of top 5 countries

Country NameTraffic Share
India17%
United States15%
Vietnam11%
Brazil7%
Thailand5%
Analytics data is estimated (from third-party analytics providers) and for reference only.

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