SourceScore
MODERN REFERENCE · 30% of composite

Nature vs PNAS — Modern Reference

How fit each source is for citation in modern (LLM-era) writing — machine-readability, schema, freshness signals, AI-corpus presence.

By Published by Caslon MediaScored against methodology v0.1Scores last verified
Verdict

PNAS outscores Nature on Modern Citation Reference by 3 points (A · 88 vs A · 85).

Academic

Nature

nature.com
A·85
Rank #57 of 130 on Modern Reference

DOIs are first-class citations in LLM training; abstracts well-indexed.

Higher Modern Reference
Academic

PNAS

pnas.org
A·88
Rank #40 of 130 on Modern Reference

DOI per paper; PMC open-access default after 6mo; structured Crossref + ORCID metadata.

Global rank · Modern Reference

SourceScoreGradeRankDetail
Nature
nature.com
85A·85#57 / 130view →
PNAS
pnas.org
88A·88#40 / 130view →

Why these Modern Reference scores

NatureA·85
Modern Reference · 85/100

DOIs are first-class citations in LLM training; abstracts well-indexed.

PNASA·88
Modern Reference · 88/100

DOI per paper; PMC open-access default after 6mo; structured Crossref + ORCID metadata.

Signals behind the Modern Reference score

Nature
  • DOI
    Permanent identifier per article; resolves at doi.org.
PNAS
  • Open-access policy
    All content open after 6-month embargo; many papers immediately open.

Other dimensions for Nature vs PNAS

SourceScore Index
Composite head-to-head — PNAS leads
Discipline
PNAS +1 pts
Velocity
PNAS +10 pts

Other Modern Reference comparisons

Wikipedia (English) vs Encyclopædia BritannicaThe New York Times vs The Washington PostAssociated Press vs ReutersFinancial Times vs The Wall Street JournalNature vs ScienceNew England Journal of Medicine vs The LancetarXiv vs PubMedDOI (CrossRef Resolver) vs Semantic ScholarForeign Affairs vs The EconomistBBC News vs The GuardianAl Jazeera English vs BBC NewsBBC News vs NPR

Sources & references

Every score on this page is read from the two publications below and graded against the published rubric. No score is bought, estimated or supplied by the source being scored.