
Helicone AI
LangSmith
LangChain
Braintrust.dev
Portkey
PromptLayer
LastMile AI
Langfuse is an open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications.

Graphite
Cubic
Codex 3.0 by OpenAI
Ellipsis
CodeAnt AI
Cursor
GitHub
Unleash AI on Your Code Reviews with CodeRabbit

Which is more popular?
Langfuse might be a bit more popular than CodeRabbit. We know about 34 links to it since March 2021 and only 26 links to CodeRabbit.
Website, pricing, platforms and company facts side by side.
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| Website | langfuse.com | coderabbit.ai |
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| Company | Startup from the United States | — |
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In their own words, as submitted to SaaSHub.


Langfuse is an open-source LLM engineering platform designed to empower developers by providing insights into user interactions with their LLM applications. We offer tools that help developers understand usage patterns, diagnose issues, and improve application performance based on real user data....
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What each product offers, as listed by its team.


Possible disadvantages
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Langfuse in two minutes
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Langfuse and CodeRabbit. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Ten free AI prompt tools in 2026 across four categories: prompt generators (SurePrompts, Anthropic Console, OpenAI Playground), libraries (AIPRM, PromptHero, FlowGPT, Awesome ChatGPT Prompts), open-source workflow...
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Recommendations tracked on public social media and blogs since March 2021.


Langfuse is an open-source observability and analytics platform for LLM applications. Its open-source nature is a significant draw for companies that prefer to self-host or want to avoid vendor lock-in. - Source: dev.to / 6 days ago
We have researched and experimented with several AI evaluation platforms, including Arize Phoenix, Microsoft Foundry, and Langfuse. After evaluating them against our requirements and roadmap, we shortlisted Microsoft Foundry and Langfuse... - Source: dev.to / 15 days ago
Langfuse is the other serious option in this category if you also want observability, evals and traces bundled with prompt management. Different scope, more setup, worth comparing honestly. - Source: dev.to / about 1 month ago
So I built a small API, wrote real rules into CLAUDE.md and AGENTS.md, and then broke one of those rules twice on purpose. The first break was something any decent security scanner would flag anyway. The second one had no reason to get... - Source: dev.to / 29 days ago
I run Devin Review and CodeRabbit on every PR. PDF spec edge cases and CSS layout corner cases are exactly the kind of thing where having a second pair of eyes matters, and as a solo maintainer I don't have human reviewers. Both tools... - Source: dev.to / 5 months ago
Navigate to coderabbit.ai and click the "Get Started Free" button. CodeRabbit supports sign-up through four Git platforms:. - Source: dev.to / 7 months ago
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