
Langfuse
LangSmith
Hugging Face
Haystack NLP Framework
Helicone AI
liteLLM
OpenAI
Framework for building applications with LLMs through composability

Artistu
Claude Code
Navox Agents
Claude by Anthropic
Google Antigravity
Kiro
/dev for Claude Code
Drive Claude Code through long tasks it would otherwise drop

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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| Website | langchain.com | stagent.worldstatelabs.com |
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What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
LangChain for LLMs is... basically just an Ansible playbook
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How often each product is chosen within a category, 0–100% relative to the other.


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Recommendations tracked on public social media and blogs since March 2021.


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
Tracking Stagent since Jun 2026.
When comparing LangChain and Stagent, 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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Artistu is modern artist booking software for agencies and managers. Run bookings, contracts, invoicing, and show advancing from web, iOS, and Android.
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Build and deploy LLM applications with confidence
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Transform hours of debugging into seconds with a single command. Experience coding at thought-speed with Claude's AI that understands your entire codebase—no more context switching, just breakthrough results.
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The AI community building the future. The platform where the machine learning community collaborates on models, datasets, and applications.
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Specialist AI engineering team for Claude Code
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