
LangSmith
AI Observability
LangSmith is LangChain's platform for debugging, testing, evaluating, and monitoring LLM applications and agent workflows.
Price$39+ / seat / month
Starting price: at the category median.Monitoring and analytics platforms specifically designed to track the performance, cost, latency, and quality of AI and LLM applications in production.

AI Observability
LangSmith is LangChain's platform for debugging, testing, evaluating, and monitoring LLM applications and agent workflows.
Price$39+ / seat / month
Starting price: at the category median.
AI Observability
Langfuse is an open-source platform for tracing, prompt management, evaluations, and observability across LLM applications and agent systems.
Price$29+ / month
Starting price: below the category median.AI Observability
LangWatch helps teams monitor prompts, traces, and quality signals across production LLM applications and agent workflows.
Price$67.28+ / month
Starting price: above the category median.
Observability Platforms
Arize helps teams monitor, evaluate, and improve LLM applications, retrieval systems, and machine learning products once they are live in production.
Price$50+ / month
Starting price: above the category median.
Prompt Engineering Tools
PromptLayer is a platform for prompt management, AI observability, evaluation workflows, and release control across LLM apps and agent systems.
Price$50+ / seat / month
Starting price: above the category median.
AI Observability
AgentOps is a developer platform for tracing, monitoring, testing, and debugging AI agents in development and production.
Price$40+ / month
Starting price: above the category median.
Error Tracking
Sentry is an application monitoring platform that helps developers identify, triage, and resolve errors and performance issues in real time. It provides stack traces, breadcrumbs, and releas...
Price$26 / month
Price position: below the category median.AI Content Detection
AI deepfake and synthetic media detection platform for enterprises.
Price$29+ / month
Starting price: below the category median.
AI Evaluation and Testing
End-to-end AI evaluation and monitoring platform for LLM product teams with prompt management and datasets.
Price$39+ / user / month
Starting price: at the category median.
LLM Ops
Unified LLM API gateway and observability platform for monitoring, testing, and optimizing AI applications across multiple providers.
Price$9+ / seat / month
Starting price: below the category median.
AI Observability
AI agent observability and evaluation platform reducing reliability issues in multi-agent LLM systems.
Price$99 / month
Price position: above the category median.
Endpoint Protection
AI-powered endpoint protection platform now part of Arctic Wolf.
Price$3.75+ / seat / month
Price position: below this category's displayed range.
LLM Ops
Open-source LLM observability and analytics platform with logging, user analytics, and prompt templates.
Price$20+ / user / month
Starting price: below the category median.
AI Observability
Open-source LLM evaluation and observability platform from Comet.
Price$19 / month
Price position: below the category median.
Observability Platforms
Datadog is a cloud-scale monitoring and analytics platform that provides full-stack observability for infrastructure, applications, logs, and security. It unifies metrics, traces, and logs i...

Log Management
Axiom is a log management and observability platform offering unlimited data ingest, fast querying, and real-time dashboards at a fraction of the cost of traditional log analytics tools.

AI Observability
LLM observability and evaluation platform for monitoring, debugging, and improving AI application performance.

AI Observability
Enterprise AI testing platform focused on stability and reliability testing for generative AI applications.
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