Side by side
Diffbot vs Weka
Both stand on data mining and extraction software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APISelf-hostedWeb
Diffbot offers several ways to convert public web content into structured data, plus a self-hostable search option. The Free plan has defined credit and rate limits, while paid plans start at $299 a month.
Visit Diffbot Free plan Open source APILinuxMac+2
Weka offers free machine-learning software with desktop downloads, a Java API, notebook use, and community packages. Check version compatibility and GPL terms, especially when moving older serialized models or distributing derivative works.
Visit WekaThe facts
| Diffbot | Weka | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Yes |
| Runs on | API, Self-hosted, Web | API, Linux, Mac, Self-hosted, Windows |
| Lowest paid plan | Startup: $299 a month | Free or on request |
| Plans published | 4 | 3 |
| Maker | Not published | Not published |
| Website | diffbot.com | weka.waikato.ac.nz |
| On data mining and extraction software | #5 of 29 | #1 of 29 |
Diffbot: what it does well
- Extract returns structured JSON for classified pages.
- Crawl collects pages from seed URLs into datasets.
- Natural Language resolves entities and relationships in text.
- Free plan includes all four APIs.
- Python and TypeScript libraries are listed.
What to know first
- Free plan is limited to 10,000 credits per month.
- Free plan rate limit is 5 requests per minute.
- Closed media sites are generally off limits to Web Search.
Weka: what it does well
- Free and open source under the GPL.
- Java API and Jupyter notebook use are supported.
- Downloads include Windows, Mac OS, and Linux.
- Package manager supports community-added functionality.
- Built-in help and a comprehensive manual are included.
What to know first
- Installing packages requires an internet connection.
- Official releases require Java 8 or later.
- Version 3.7 serialized models are incompatible with 3.8.
- Development version 3.9 may break compatibility.