What are the key differences between LangSmith and Datadog?

Compare LangSmith and Datadog side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are LangSmith and Datadog scored?

LangSmith has an AI score of 8.3/10 and Datadog has an AI score of 8.8/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

LangSmith vs Datadog 2026 - Compared

LangSmith

Datadog

WINNER Datadog

Datadog edges ahead with a score of 8.8/10 compared to 8.3/10 for LangSmith. While both are highly rated in their respec...

LangSmith

8.53 Great

Google Vertex AI Agent Builder Get LangSmith open_in_new

emoji_events WINNER

Datadog

8.62 Great

Developer Tool Get Datadog open_in_new

LangSmith Pricing not available

payments

Datadog From $15/user/month Free plan available

psychology AI Verdict

Datadog edges ahead with a score of 8.8/10 compared to 8.3/10 for LangSmith. While both are highly rated in their respective fields, Datadog demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Datadog

verified Confidence: Low

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description Overview

LangSmith

While not an agent builder itself, LangSmith is critical infrastructure for *building* and *improving* agents. It provides end-to-end observability, allowing developers to trace every step, input, and output of a complex agent run. This capability is invaluable for debugging hallucinations, optimizing prompt chains, and rigorously evaluating agent performance against golden datasets before deploym...

Datadog

Datadog is a leading observability and security platform for cloud-scale applications. It provides full-stack monitoring, including infrastructure, logs, application performance (APM), and user experience. By aggregating data from across the entire tech stack, Datadog helps engineering teams identify and resolve performance bottlenecks and security vulnerabilities in real-time. Its ability to visu...