Know when your AI is wrong

Evals, tracing, and monitoring so model regressions show up in a dashboard before they show up in churn.

Trace-to-quality AI loop

Individual products and alternatives (9)

LangSmith

Capture the trace

LangSmith is LangChain's platform for debugging, testing, evaluating, and monitoring LLM applications and agent workflows.

Langfuse

Capture the trace

Langfuse is an open-source platform for tracing, prompt management, evaluations, and observability across LLM applications and agent systems.

Helicone

Capture the trace

Helicone is an open-source LLM observability platform providing request logging, cost tracking, caching, and evaluation tools for AI applications in production.

Braintrust

Run the evals

Braintrust is an AI evaluation platform for testing prompts, models, and application behavior with production-like datasets and scoring workflows.

HoneyHive

Run the evals

AI evaluation and observability platform for testing, monitoring, and fine-tuning LLM applications in production.

Promptfoo

Run the evals

Open-source tool for testing and evaluating LLM prompts, models, and RAG pipelines with side-by-side comparisons.

Arize

Monitor production quality

Arize helps teams monitor, evaluate, and improve LLM applications, retrieval systems, and machine learning products once they are live in production.

WhyLabs

Monitor production quality

AI observability platform providing data and model monitoring with drift detection and anomaly identification.

Fiddler AI

Monitor production quality

AI observability platform for monitoring, explaining, and analyzing ML model predictions in production.