Langwatch
LLM observability and evaluation platform for monitoring, evaluating, and optimizing LLM applications.
WebsiteContact for PricingPrompt EngineeringAI Developer ToolsAI TestingAI AgentAI MonitorLarge Language Models (LLMs)
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LangWatch is an LLM observability and evaluation platform designed to help AI teams monitor, evaluate, and optimize their LLM-powered applications. It provides full visibility into prompts, variables, tool calls, and agents across major AI frameworks, enabling faster debugging and smarter insights. LangWatch supports both offline and online checks with LLM-as-a-Judge and code-based tests, allowing users to scale evaluations in production and maintain performance. It also offers real-time monitoring with automated anomaly detection, smart alerting, and root cause analysis, along with features for annotations, labeling, and experimentations.
LangWatch integrates into any tech stack and supports various LLMs and frameworks. Users can monitor, evaluate, and get business metrics from their LLM applications, create data to iterate, and measure real ROI. Domain experts can be brought onboard to bring human evals into workflows.
Choose this if you want to keep a close eye on language trends and usage. It’s perfect for writers, marketers, or anyone who needs to stay updated on how language evolves.
Plans for startups to enterprises building LLM apps with observability, evaluations, and security in mind
