Crawl4ai vs Langchain
A side-by-side look at Crawl4ai vs Langchain: pricing, free plans and features, taken from each official website. Prices change often, so check the linked sources.
| Feature | Crawl4ai | Langchain |
|---|---|---|
| Type | Tool · Developer Tools | Tool · Developer Tools |
| Made by | unknown | unknown |
| What it does | Open-source web crawler and scraper for LLMs and AI agents: any website into clean, LLM-ready Markdown. Run it yourself, or use Crawl4AI Cloud with one key. | The agent engineering platform. |
| Pricing model | Free | Free |
| Free tier | unknown | unknown |
| Current prices | unknown | unknown |
| Modalities | unknown | unknown |
| Key features | ai ai-agents crawler data-extraction llm | agents ai ai-agents anthropic chatgpt de |
| Context window | unknown | unknown |
| API | unknown | unknown |
| License | Proprietary service | Proprietary service |
| Web app | unknown | unknown |
| Mobile apps | unknown | unknown |
| Desktop app | unknown | unknown |
| Links | Website ↗Deekoya listing | Website ↗Deekoya listing |
Crawl4ai vs Langchain: pricing and features
Crawl4ai
Crawl4AI is an open-source web crawler and scraper designed for LLMs and AI agents, converting any website into clean, LLM-ready Markdown or typed JSON. You can self-host it for free or use the hosted Cloud service with a single API key.
Pricing
The official site lists a free tier at $0 per month with no card required. Paid plans start with the Starter at $10 a month for 10,000 credits, 120 requests per minute, and 10 concurrent jobs. The Builder plan is $99 a month for 125,000 credits, 600 requests per minute, and 20 concurrent jobs. The Scale plan costs $499 a month for 750,000 credits, 1,500 requests per minute, and 50 concurrent jobs. Extra credits can be purchased at $1 per 1,000 (Starter), $0.79 per 1,000 (Builder), or $0.67 per 1,000 (Scale). These details were read from the official site.
Key features
- Extract a URL with a plain-English request and receive typed JSON records – no selectors needed
- Search queries return ranked results as JSON, with optional rich follow-ups
- Answer questions directly with sources (experimental)
- SERP queries provide Google's results page data for rank tracking (beta)
- Built-in scaling: queues, retries and proxy handling
- Self-hosted option is free and open source
Source: official homepage, official pricing page · checked 2026-10-26
Langchain
LangChain is an agent engineering platform that lets developers compose highly configurable AI agents from models, tools, prompts, and middleware. The documentation highlights a minimal create_agent harness and open-source packages.
Pricing
The official site lists the pricing as "Free"; this information was read directly from the LangChain documentation page.
Key features
- Short-term memory
- Long-term memory
- Event streaming
- Structured output
- Prebuilt middleware
- Custom middleware
Source: official homepage · checked 2026-10-26
FAQ
Which is free, Crawl4ai vs Langchain?
Crawl4ai: has a free plan or trial per its official site; Langchain: has a free plan or trial per its official site.
What is the difference between Crawl4ai vs Langchain?
Crawl4ai: Crawl4AI is an open-source web crawler and scraper designed for LLMs and AI agents, converting any website into clean, LLM-ready Markdown or typed JSON. Langchain: LangChain is an agent engineering platform that lets developers compose highly configurable AI agents from models, tools, prompts, and middleware.