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Fast, free developer tools. JSON formatter, Base64, JWT, Regex and more. Runs 100% in your browser.

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Haystack NLP Framework
liteLLM
Framework for building applications with LLMs through composability

Which is more popular?
Based on our record, LangChain seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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Why this product is good
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LangChain for LLMs is... basically just an Ansible playbook
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Share your experience with using CodeTray.dev and LangChain. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking CodeTray.dev since Jun 2026.
Undoubtedly, LangChain is the most popular framework for AI application development at the moment. The advent of LangChain has greatly simplified the construction of AI applications based on Large Language Models (LLM). If we compare an... - Source: dev.to / over 2 years ago
Developed using Langchain and Streamlit technologies for enhanced performance. - Source: dev.to / over 2 years ago
LangChain was first released in October 2022 as an open-source side project, a framework that makes developing AI applications more flexible. It got so popular that it was promptly turned into a startup. - Source: dev.to / over 2 years ago
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