How to do question answering from a PDF with Python and RAG
Build a Python pipeline that answers questions from PDFs and links each answer to its page, then check the citations before you trust them.
Apify Blog29 min read
retrieval augmented generation
10 stories
Model collapse: why AI models degrade and how to prevent it
AI models trained on AI-generated data lose rare words and facts first. Learn what the research shows, see our GPT-2 test, and build a pipeline that keeps real data in every round.
Apify Blog17 min read
RAG Web Browser vs. Jina AI: which one gives an LLM better evidence?
Comparing Apify's RAG Web Browser with Jina AI Search: one query, same LLM briefing task. Which one retrieved more usable evidence, and what did it cost?
Apify Blog6 min read
Getting data for training AI
Six ways to collect data for training AI models, plus the problems and benefits of each method.
Apify Blog17 min read
AI agent vs. MCP server: which one should you build?
An AI agent and an MCP server are two parts of one system. Here's what each one owns, what a connection costs in context, and which one you should build.
Apify Blog21 min read
How to ground a LlamaIndex RAG app in fresh web data
Scrape a website into LlamaIndex with Apify, update the index without re-embedding unchanged pages, and stop partial crawls from deleting pages that still exist.
Apify Blog22 min read
Apify vs. Firecrawl: how Firecrawl compares to the Apify Actors built for the same job
Features, pricing, and crawl options side by side, plus a look at Firecrawl's new Alexandria library and when each platform is the better pick.
Apify Blog16 min read
Build a documentation chatbot with LangChain, OpenAI, Pinecone, and Apify
Your users know the answer is somewhere in the docs, but they’re still stuck. Build an AI chatbot that helps them find the right instructions and figure out what to do next.
Apify Blog14 min read
Apify vs. Exa: which gives AI agents better access to web data?
Choose your AI agent’s web tools based on actual evidence. Compare what Apify and Exa returned, what they missed, how long each task took, and how much it cost.
Apify Blog14 min read
Tavily vs. Apify's RAG Web Browser
We tested Tavily against RAG Web Browser on real research queries. One retrieved 8.4x more evidence for $0.115 per 4 queries. See the results.
Apify Blog9 min read
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