Google Scholar

Semantic Scholar

Coverage

Not available, some scholars estimate it to be around 350-400 million records

More than 180 million records (2021)

Boolean operators

Yes, though in a basic form

No

Verbatim search

Yes

No

Filters to narrow results

No

Yes

Open access Literature

Yes

Yes

Metrics

Yes

Yes

Direct Link to the library

Yes

Not at the moment

Cite/Export record

Yes

Yes

Saving results and searches

Yes

Yes