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

CodeRabbit
Graphite
Cubic
Codex 3.0 by OpenAI
CodeAnt AI
Ellipsis
Vibinex Code-Review
Cut cycle time ~60% by automating the code-review process

Which is more popular?
Based on our record, Langfuse seems to be a lot more popular than gitStream. While we know about 35 links to Langfuse, we've tracked only 1 mention of gitStream.
Website, pricing, platforms and company facts side by side.
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| Website | langfuse.com | linearb.io |
| Pricing | — | |
| Company | Startup from the United States | — |
| Listed in |
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....
No description of gitStream yet.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
Langfuse in two minutes
/:\ gitStream - automatic PR review approved
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Langfuse and gitStream. 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...
We have no reviews of gitStream yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Langfuse is an open-source LLM engineering platform specialized for AI applications. It provides:. - Source: dev.to / 15 days ago
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 / 21 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 / about 1 month ago
On this week’s episode of Dev Interrupted, co-host Conor Bronsdon and Ben Lloyd Pearson, LinearB’s Director of Developer Relations, detail the evolution of Continuous Merge and the tool behind it, gitStream. Joining the conversation is... - Source: dev.to / about 3 years ago
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Build and deploy LLM applications with confidence
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Graphite is a highly scalable real-time graphing system.
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Framework for building applications with LLMs through composability
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Cubic (Custom Ubuntu ISO Creator) is a GUI wizard to create a customized bootable Ubuntu Live CD...
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