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Merge pull request #776 from jawshoeadan/patch-1

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Fix LiteLLM branding and link
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Aravind
2025-03-03 19:01:30 +05:30
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docs/md_v2/extraction/llm-strategies.md
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In some cases, you need to extract **complex or unstructured** information from a webpage that a simple CSS/XPath schema cannot easily parse. Or you want **AI**-driven insights, classification, or summarization. For these scenarios, Crawl4AI provides an **LLM-based extraction strategy** that:
1. Works with **any** large language model supported by [LightLLM](https://github.com/LightLLM) (Ollama, OpenAI, Claude, and more).
1. Works with **any** large language model supported by [LiteLLM](https://github.com/BerriAI/litellm) (Ollama, OpenAI, Claude, and more).
2. Automatically splits content into chunks (if desired) to handle token limits, then combines results.
3. Lets you define a **schema** (like a Pydantic model) or a simpler “block” extraction approach.
@@ -18,9 +18,9 @@ In some cases, you need to extract **complex or unstructured** information from
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## 2. Provider-Agnostic via LightLLM
## 2. Provider-Agnostic via LiteLLM
Crawl4AI uses a “provider string” (e.g., `"openai/gpt-4o"`, `"ollama/llama2.0"`, `"aws/titan"`) to identify your LLM. **Any** model that LightLLM supports is fair game. You just provide:
Crawl4AI uses a “provider string” (e.g., `"openai/gpt-4o"`, `"ollama/llama2.0"`, `"aws/titan"`) to identify your LLM. **Any** model that LiteLLM supports is fair game. You just provide:
- **`provider`**: The `<provider>/<model_name>` identifier (e.g., `"openai/gpt-4"`, `"ollama/llama2"`, `"huggingface/google-flan"`, etc.).
- **`api_token`**: If needed (for OpenAI, HuggingFace, etc.); local models or Ollama might not require it.
@@ -286,7 +286,7 @@ if __name__ == "__main__":
## 11. Conclusion
**LLM-based extraction** in Crawl4AI is **provider-agnostic**, letting you choose from hundreds of models via LightLLM. It’s perfect for **semantically complex** tasks or generating advanced structures like knowledge graphs. However, it’s **slower** and potentially costlier than schema-based approaches. Keep these tips in mind:
**LLM-based extraction** in Crawl4AI is **provider-agnostic**, letting you choose from hundreds of models via LiteLLM. It’s perfect for **semantically complex** tasks or generating advanced structures like knowledge graphs. However, it’s **slower** and potentially costlier than schema-based approaches. Keep these tips in mind:
- Put your LLM strategy **in `CrawlerRunConfig`**.
- Use **`input_format`** to pick which form (markdown, HTML, fit_markdown) the LLM sees.
@@ -317,4 +317,4 @@ If your site’s data is consistent or repetitive, consider [`JsonCssExtractionS
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That’s it for **Extracting JSON (LLM)**—now you can harness AI to parse, classify, or reorganize data on the web. Happy crawling!
That’s it for **Extracting JSON (LLM)**—now you can harness AI to parse, classify, or reorganize data on the web. Happy crawling!