Evidence indicates that both Democratic and Republican-aligned groups receive significant funding from dark money sources, with documented secret payments particularly to Democratic influencers, while Republicans also benefit from dark money in federal races.
Republicans and Democrats secretly take money from dark money groups.

A Dark Money Group Is Secretly Funding High-Profile Democratic Influencers - WIRED
Source: wired.com
Key Evidence
The Sixteen Thirty Fund pays Democratic influencers up to $8,000 monthly under secrecy agreements.
niemanlab.orgniemanlab.orgA dark money group is secretly funding high-profile Democratic influencers
wired.comwired.comA Dark Money Group Is Secretly Funding High-Profile Democratic Influencers+1 more
Dark money spending hit a record $1.9 billion in 2024 federal races with major contributions aligned with both parties.
brennancenter.orgbrennancenter.orgDark Money Hit a Record High of $1.9 Billion in 2024 Federal Races
Democrats use dark money strategically despite public criticism of it.
publicintegrity.orgpublicintegrity.orgHow Democrats use ‘dark money’ — and win elections
What the Evidence Shows
Multiple sources confirm that dark money groups provide substantial undisclosed funding to political actors aligned with both major U.S. Parties. For example, the Sixteen Thirty Fund, a liberal dark money organization, secretly pays Democratic influencers significant monthly sums under contracts that prohibit disclosure.niemanlab.orgniemanlab.orgA dark money group is secretly funding high-profile Democratic influencers
wired.comwired.comA Dark Money Group Is Secretly Funding High-Profile Democratic Influencers+1 more
The Brennan Center for Justice reports record-high dark money spending in the 2024 federal races exceeding $1.9 billion, with major dark money groups aligned with both Democrats and Republicans contributing hundreds of millions.brennancenter.orgbrennancenter.orgDark Money Hit a Record High of $1.9 Billion in 2024 Federal Races This indicates that secret funding is not exclusive to one party.
Fox News highlights a "web of dark money" tied to Democrats and Obama fueling opposition to certain energy policies, suggesting Democratic ties to dark money groups.foxnews.comfoxnews.com'Web of dark money' tied to Obama, Dems fuels green opposition to crucial Trump... Meanwhile, the Center for Public Integrity documents how Democrats use dark money strategically while publicly criticizing it.
publicintegrity.orgpublicintegrity.orgHow Democrats use ‘dark money’ — and win elections
While the evidence strongly supports secret dark money funding for Democrats, especially influencers and environmental groups, there is less direct detailed evidence in these sources about Republicans secretly taking money from dark money groups at the individual influencer level. However, the large-scale spending in federal races by Republican-aligned dark money groups is well documented.
The Reddit discussion does not add direct evidence but reflects public awareness of these secret funding practices.reddit.comreddit.comr/LateStageCapitalism on Reddit: A Dark Money Group Is Secretly Funding...
In summary, the claim that both Republicans and Democrats secretly take money from dark money groups is mostly true based on available evidence. Secret payments to Democratic influencers are well documented; large-scale dark money spending benefits both parties in federal races. However, detailed examples of secret individual payments on the Republican side are less explicitly documented in these sources.