
Langfuse
liteLLM
Portkey
LangSmith
OpenRouter
Eden AI
LangChain
Open-source LLM Observability for Developers
LayerStack’s Arm-based cloud virtual machines, powered by cloud-optimized CPU based on Arm architecture that deliver excellent cost-effective processing power, allowing you to easily complete the most demanding application development.

Which is more popular?
Based on our record, Helicone AI seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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Share your experience with using Helicone AI and LayerStack Arm-based Cloud Server. For example, how are they different and which one is better?
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 / 5 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
Tracking LayerStack Arm-based Cloud Server since Jun 2024.
When comparing Helicone AI and LayerStack Arm-based Cloud Server, you can also consider the following products.

Langfuse is an open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications.
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One library to standardize all LLM APIs
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Build production-grade & reliable AI apps with Portkey
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Build and deploy LLM applications with confidence
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A router for LLMs and other AI models
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Regrouping the best AI APIs for 10mn integration in your code
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