Cortex
Let your AI search all your workspace apps, at once
Langfuse
Open Source LLM Engineering Platform
Updated February 2026
| Cortex | Langfuse | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 41 | 41 |
| Pros | 10 | 18 |
| FactScore™ | 81.2 | 81.2 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Both tools score equally on FactScore™
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 Langfuse — Pros
LLM observability Open source Detailed tracing Monitoring capabilities Cost-effective Easy to integrate Free tier SDK availability Seamless integration Debugging tools Fast iterations Insightful analytics Community engagement Detailed analytics Excellent UI Flexible architecture Open API Robust telemetryOnly in Cortex — Cons
Interface improvements needed Limited app supportBoth tools — Cons
—Only in Langfuse — Cons
—Details
| Cortex | Langfuse | |
|---|---|---|
| Categories | Search, AI Infrastructure Tools | AI Infrastructure Tools, AI Metrics and Evaluation |
| Platforms | Web | Web |
| Became Popular | January 24, 2024 | August 20, 2023 |
| Website | www.usecortex.ai | langfuse.com |
Who Should Pick Which?
Choose Cortex if...
- Productivity boost
- Cross-app search
- AI integration
Choose Langfuse if...
- LLM observability
- Open source
- Detailed tracing
With a FactScore™ of 81.2 vs 81.2, Cortex leads in community reception. Cortex uniquely offers Productivity boost and Cross-app search, while Langfuse stands out for LLM observability and Open source.
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!
Langfuse
Without Langfuse, we would have been flying blind with our drafting agent. This platform is critical not just for measuring performance, but for understanding exactly what context gets pulled into ...
So excited to see Langfuse go live — we've been a happy user for 4 weeks now. Most detailed latency and analytics in the market. Highly recommend for anyone using complex chains or with user-f...
We’ve been unsung Langfuse for 2 months now. It’s easy to integrate and makes it simpler for us to monitor & debug LLM requests during development and beyond.
Related Comparisons
Frequently Asked Questions
What are the pros of Cortex compared to Langfuse?
Cortex uniquely offers: Productivity boost, Cross-app search, AI integration, Universal search, Fast performance.
What are the pros of Langfuse compared to Cortex?
Langfuse uniquely offers: LLM observability, Open source, Detailed tracing, Monitoring capabilities, Cost-effective.
Is Cortex better rated than Langfuse?
Cortex is rated 5.0★ from 41 reviews. Langfuse is rated 5.0★ from 41 reviews.
What is the FactScore™ of Cortex and Langfuse?
FactScore™ weighs rating and review volume together. Cortex scores 81.2 and Langfuse scores 81.2.
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