Cortex
Let your AI search all your workspace apps, at once
LangSmith
Build and deploy LLM applications with confidence
Updated February 2026
| Cortex | LangSmith | |
|---|---|---|
| Rating | 5.0★ | 4.8★ |
| Reviews | 41 | 19 |
| Pros | 10 | 16 |
| FactScore™ | 81.2 | 63 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Cortex — Pros
Productivity boost Cross-app search AI integration Universal search Fast performance Reliable search Good UI Context aware Easy setup Meeting integrationsBoth tools — Pros
—Only in LangSmith — Pros
Monitoring AI model performance Chain sequence debugging Evals Annotation queues CI/CD integration Comprehensive visibility Datasets Easy to use Flexibility outside LangChain LangGraph Metadata filtering Python SDK Real-time analytics Time-saving Tracing tools VersioningOnly in Cortex — Cons
Interface improvements needed Limited app supportBoth tools — Cons
—Only in LangSmith — Cons
Filters not persisted in URL UI issues with large datasetsDetails
| Cortex | LangSmith | |
|---|---|---|
| Categories | Search, AI Infrastructure Tools | AI Infrastructure Tools, AI Metrics and Evaluation |
| Platforms | Web | Web |
| Became Popular | January 24, 2024 | N/A |
| Website | www.usecortex.ai | www.langchain.com |
Who Should Pick Which?
Choose Cortex if...
- Productivity boost
- Cross-app search
- AI integration
Choose LangSmith if...
- Monitoring AI model performance
- Chain sequence debugging
- Evals
With a FactScore™ of 81.2 vs 63, Cortex leads in community reception. Cortex uniquely offers Productivity boost and Cross-app search, while LangSmith stands out for Monitoring AI model performance and Chain sequence debugging.
What Users Say
Cortex
We are all victims of modern technology where we have so many different tools available to us, and while we think we're pretty good at storing information and filing it appropriately, we struggle t...
This is an amazing search tool that has enhanced my productivity since minute 1. This tool has fundamentally changed the way I interact with the multitude of apps and data that my daily work involv...
Looks amazing! Will definitely look deeper into it. If it holds up to what it promises, it can really be a game-changer: upping my productivity while preventing me from going crazy over missing files!
LangSmith
We started building Ting without LangSmith and we were flying blind. Diagnosing issues downstream felt like guesswork. Since bringing LangSmith in, we’ve been able to trace problems through the ent...
We absolutely could not build this product with LangSmith for traces, datasets, annotation queues, and evals. We've become big power users! I use to build AI apps before nice tracing tools like thi...
Promptius <3 Langchain + Langgraph + Langsmith, this combination has been instrumental in building Promptius in the past 5 months! The abstractions provided by Langchain and Langgraph make building...
Related Comparisons
Frequently Asked Questions
Which is better, Cortex or LangSmith?
Based on FactScore™, Cortex leads with a score of 81.2 vs 63. Cortex has a higher rating of 5.0★ compared to 4.8★.
What are the pros of Cortex compared to LangSmith?
Cortex uniquely offers: Productivity boost, Cross-app search, AI integration, Universal search, Fast performance.
What are the pros of LangSmith compared to Cortex?
LangSmith uniquely offers: Monitoring AI model performance, Chain sequence debugging, Evals, Annotation queues, CI/CD integration.
Is Cortex better rated than LangSmith?
Cortex is rated 5.0★ from 41 reviews. LangSmith is rated 4.8★ from 19 reviews.
What is the FactScore™ of Cortex and LangSmith?
FactScore™ weighs rating and review volume together. Cortex scores 81.2 and LangSmith scores 63.
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