
Langfuse
liteLLM
Portkey
LangSmith
OpenRouter
Eden AI
LangChain
Open-source LLM Observability for Developers

Python
JavaScript
PHP
Rust
Lua
Ruby
Scala Lang
A concurrent, class-based, object-oriented, language specifically designed to have as few implementation dependencies as possible
Which is more popular?
Java might be a bit more popular than Helicone AI. We know about 7 links to it since March 2021 and only 5 links to Helicone AI.
Website, pricing, platforms and company facts side by side.
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| Website | helicone.ai | java.com |
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In their own words, as submitted to SaaSHub.


No description of Helicone AI yet.
We recommend LibHunt Java for discovery and comparisons of trending Java projects.
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AP Computer Science in 10 Minutes (Java review)
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If you want to build your career in IoT or big data, Java is arguably the best programming language to learn. Java is cross-platform compatible and offers portability and versatility to almost any type of device,...
This tool can provide favorite IP address ranges, NetBIOS information and web server detection. More features can be added by installing Java plugins.
Recommendations tracked on public social media and blogs since March 2021.


Helicone takes the simplest possible approach to LLM monitoring: it's a proxy. Change your OpenAI base URL from api.openai.com to oai.helicone.ai, add your Helicone API key as a header, and every LLM request is logged — latency, tokens,... - Source: dev.to / 5 months ago
You're monitoring production traffic. You need Langfuse / Phoenix / Helicone / Braintrust for that. Online eval is a different problem class: implicit feedback, drift detection, hallucination rates on your data, not on HellaSwag. - Source: dev.to / 6 months ago
For many teams, especially those starting out or with simpler needs, commercial solutions like Portkey, Helicone, OpenPipe, or LiteLLM Proxy offer off-the-shelf capabilities that cover many common proxy use cases (caching, logging, cost... - Source: dev.to / 7 months ago
You can use UPnP PortMapper. Source code/Download. All you need is Java and that's it. Hope this helps. Source: over 4 years ago
I would definitely suggest installing Java for this one, and the error should have asked you to do so. I'll have to look into why that was not popping properly for you and address it in a bug fix. In the mean time, you can address the... Source: almost 5 years ago
Https://java.com/en/ Is this the java you're using to install optifine. When I first got optifine I thought java meant Minecraft and not java. Source: almost 5 years ago
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Langfuse is an open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications.
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Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
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Lightweight, interpreted, object-oriented language with first-class functions
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Build production-grade & reliable AI apps with Portkey
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A popular general-purpose scripting language that is especially suited to web development
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