
Robinhood
Alpaca Broker API
Alpaca Trading API
SparkFin
Real-time Market API
Bullish.email
Alpaca Fractional Trading API
Free real-time stock market data API

Langfuse
Hugging Face
LangSmith
Haystack NLP Framework
OpenAI
Helicone AI
Ollama
Framework for building applications with LLMs through composability
Which is more popular?
Based on our record, Alpaca Data API should be more popular than LangChain. It has been mentioned 8 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | alpaca.markets | langchain.com |
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LangChain for LLMs is... basically just an Ansible playbook
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Recommendations tracked on public social media and blogs since March 2021.


Have you looked at Alpaca's Market Data API or Polygon.io. Both premium options are reasonably priced and give you access to both historical and real time trades. Source: almost 4 years ago
I think https://alpaca.markets/data still offers free api keys for research purposes. Source: almost 4 years ago
Https://alpaca.markets/data - As you see you get 100% market coverage for all US exchanges and unlimited API / WebSocket access. They also have 1min bar historical data (I do not know about the tick level). I can not speak to the quality... Source: about 4 years ago
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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