kitio.aiCrawl4AI vs Rerun
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Crawl4AI is completely free, while Rerun is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Markdown output for LLMs
- Async parallel crawling
- LLM-based extraction
- Docker server
- Content filtering
- Multimodal data logging
- Desktop and web viewer
- SQL and dataframe queries
- Python, Rust and C++ SDKs
- Managed data catalog
- Streaming to GPUs
| Feature | Crawl4AI | Rerun |
|---|---|---|
| Best for | Open-source crawler that outputs LLM-ready markdown | Open-source data layer for robotics and physical AI |
| Category | Data & analytics | Data & analytics |
| Pricing model | Free | Freemium |
| Starting price | Free | See pricing page |
| Free plan | Yes, fully free | Yes |
| Made by | Unclecode | Rerun Technologies AB |
| Based in | – | Sweden |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Crawl4AI is completely free, while Rerun is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Open source SDK
Free
- Apache-2.0 / MIT
- Python, Rust and C++ APIs
- Desktop and web viewer
Hub
Contact sales
- Single-tenant, in your region
- Managed catalog
- Datasets streamed to GPUs
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Crawl4AI
- Free and self-hosted
- Fast async crawling
- Very active project
- Requires Python skills
- You manage proxies and scaling
Rerun
- Free, permissively licensed SDK
- Handles mixed-rate sensor data
- Runs locally or in your region
- Hub pricing requires a sales call
- Built for robotics teams, not general analytics
- Learning curve for its data model
Which one should you choose?
Choose Crawl4AI if you want:
- Free and self-hosted
- Fast async crawling
- Very active project
Watch out: requires python skills.
Choose Rerun if you want:
- Free, permissively licensed SDK
- Handles mixed-rate sensor data
- Runs locally or in your region
Watch out: hub pricing requires a sales call.
Crawl4AI vs Rerun FAQ
What is the difference between Crawl4AI and Rerun?
Crawl4AI: Open-source crawler that outputs LLM-ready markdown. Rerun: Open-source data layer for robotics and physical AI. Both are data & analytics tools.
Is Crawl4AI or Rerun cheaper?
Crawl4AI is completely free, while Rerun is freemium.
Do Crawl4AI and Rerun have free plans?
Crawl4AI: Yes, fully free. Rerun: Yes.
Who makes Crawl4AI?
Crawl4AI is made by Unclecode.
Who makes Rerun?
Rerun is made by Rerun Technologies AB, based in Sweden.
Which should I choose, Crawl4AI or Rerun?
Choose Crawl4AI if you value free and self-hosted and fast async crawling. Choose Rerun if you value free, permissively licensed sdk and handles mixed-rate sensor data.