Registry › Compare › Crawl4AI vs OpenScience

Crawl4AI vs OpenScience

OpenScience leads on trust: 82.2/100 (Grade A) against 70.6/100 (Grade B), a 11.6-point gap. Crawl4AI leads on adoption and rests on broader evidence; OpenScience leads on supply-chain integrity and provenance. Note: OpenScience's evidence coverage is thinner (coverage B vs A) — its score rests on fewer independent signal types.

B Crawl4AI 70.6

Official Crawl4AI Cloud: a hosted web scraping, extraction, and search API for AI agents. Free API key, 1,000 credits a month, no card. Fully open source: this repo is the Apache-2.0 crawler that powers it, and you can self-host it.

unclecode/crawl4ai · #366 overall · #7 Research & Data · coverage A (4/5)

Choose Crawl4AI if adoption matters most.

+7.4Adoption: 374.7k weekly downloads against 227
A vs BEvidence coverage: 4 of 5 independent signal types, against 3

A OpenScience 82.2

The open-source AI workbench for scientific research

synthetic-sciences/openscience · #145 overall · #6 Research & Data · coverage B (3/5)

Choose OpenScience if supply-chain integrity and provenance matter most.

+12.2Safety / Integrity: 87% of recent commits signed, against 32%
+7.2Identity / Provenance: package provenance attested, against none
+1.8Maintenance
+1.2Transparency: OSSF Scorecard 6.4 against 4.9

Where they differ

7.7

Safety / IntegrityOpenScience +12.2

19.9

10.8

Identity / ProvenanceOpenScience +7.2

18.0

12.7

TransparencyOpenScience +1.2

13.9

16.4

MaintenanceOpenScience +1.8

18.2

19.3

AdoptionCrawl4AI +7.4

11.9

+3.7

Runtime calibrationCrawl4AI +3.4

+0.3

Full evidence table

An independent, evidence-based trust comparison of Crawl4AI and OpenScience, two Research & Data projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.

Full evidence

Signal	Crawl4AIunclecode/crawl4ai	OpenSciencesynthetic-sciences/openscience
HVTrust score	70.6	82.2
Evidence grade	B	A
Coverage grade	A	B
Overall rank	#366	#145
Rank in Research & Data	#7	#6
GitHub stars	87.4k	4.4k
Last updated	2d ago	2d ago
Build provenance	No	Yes
OSSF Scorecard	4.9 / 10	6.4 / 10
License	Apache-2.0	Apache-2.0
Downloads	375k/wk	227/wk
Trust dimensions (points earned)
Safety / integrity / 25	7.7	19.9
Identity & provenance / 18	10.8	18.0
Transparency / 17	12.7	13.9
Maintenance / 20	16.4	18.2
Adoption / 20	19.3	11.9
Runtime capability surface (full matrix)
MCP server	Implemented	Declared
External providers	1 — OpenAI	7 — Anthropic, Cohere, DeepSeek, …
Requires API keys	Yes	No
Plugin surface	marketplace	plugins
Provenance drift	Match	Match

Open in the live compare tool → Crawl4AI profile OpenScience profile More Research & Data →

How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.4 →