JSON Generator
Dadroit JSON Viewer
Jayson
ExtendsClass JSON Generator
MockTurtle.net
Fullstack Vue
Mockaroo
JSONverify
Langfuse
Helicone AI
LangSmith
LangChain
Openlayer
Braintrust.dev
Portkey
PromptLayer
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. By integrating seamlessly into existing workflows, Langfuse streamlines the process of monitoring, debugging, and optimizing LLM applications. Our platform's robust documentation and active community support make it easy for developers to leverage Langfuse for enhancing their LLM projects efficiently. Whether you're troubleshooting interactions or iterating on new features, Langfuse is committed to simplifying your LLM development journey.
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Based on our record, Langfuse should be more popular than JSON Generator. It has been mentiond 28 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
JSON Generator: also generates mock data, but for JSON specifically. It's a bit more complex, but it allows for tailor-made results. - Source: dev.to / over 2 years ago
Is there a generator for all the JSON generators out there? https://json-generator.com/. - Source: Hacker News / almost 3 years ago
So I generated a random JSON file and tried parsing it. It doesnโt error, but whenever I do a println(root.Object().Value().String()), I get a panic: wrong type. If I do a println(root.Object().Present()), it prints false. So seems like it would be better if you returned an error for this happening at the .Parse() call. But either way, not sure whatโs happening. The JSON is indeed valid, as it was generated from... Source: over 3 years ago
Next, weโll seed some demo data into the table. To generate some demo data, you can checkout JSON Generator. Once youโve opened the window, replace the code in the left tab with the following code and hit generate. - Source: dev.to / over 3 years ago
Hey, I would try to do it using pre-comps for each message, getting the data like username, text, emojiโฆ the from a json. This way you could generate the json manually with something like this to setup the blank json (just one way of doing that) or with some other kind of script. Then change the expression generated by mamoworldjson to link it to the comps name. The only thing iโm not sure is how to insert the... Source: over 3 years ago
In this project we will build a Python banking assistant agent using Strands Agents and make it observable and continuously evaluated using Langfuse โ step by step. - Source: dev.to / 10 days ago
Langfuse is the open-source standard for LLM observability. It traces every LLM interaction โ prompts, completions, latency, token usage, cost โ and provides the tooling to debug, evaluate, and optimize LLM applications in production. Think of it as "Datadog for LLM calls" with a focus on prompt engineering workflows. - Source: dev.to / 29 days 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 / about 1 month ago
Gateway or proxy attribution. A reverse proxy in front of the model-provider API records the request, computes the cost, and exposes per-customer breakdowns. Open-source options include Helicone, LiteLLM, Langfuse, and OpenLLMetry. Hosted equivalents serve as the AI cost observability layer for teams that want centralized visibility: LangSmith, Datadog LLM Observability, Arize Phoenix. Adds a network hop.... - Source: dev.to / about 1 month ago
Same approach works with Langfuse, Phoenix, Braintrust, or your existing OTel pipeline โ the metadata.userId pattern is the universal part. - Source: dev.to / about 2 months ago
Dadroit JSON Viewer - Open a 1GB JSON file in a blink ๐ฃ
Helicone AI - Open-source LLM Observability for Developers
Jayson - Powerful JSON viewer for iPhone and iPad
LangSmith - Build and deploy LLM applications with confidence
ExtendsClass JSON Generator - ExtendsClass's JSON generator allows to generate random JSON data from a template.
LangChain - Framework for building applications with LLMs through composability