Comparison · 8 material differences
Cosmos Club vs The Battery
This comparison was generated on request from the records. It carries no editorial verdict and is not indexed. The published comparisons are listed on the compare page.
Read down each column for one organization, across a row for the difference. A bronze mark at the left of a cell means the organizations differ on that row. A dash or “not published” means the organization does not disclose the fact; it is not a zero.
Verified September 2026 Private club
APK · Wikimedia Commons · CC BY 4.0Cosmos Club
The club describes itself as "a private Washington, D.C. social club for individuals distinguished in science, literature, the arts, learned professions, or public service" and…
Private club
The Battery
The club says it exists "to play host to bright minds with big ideas"; its own copy describes a clubhouse for the curious rather than a professional or income band
What the records say
- Maximum age at joining: Cosmos Club: No published maximum age at joining; The Battery: Under 30 membership is "available to applicants under 30 years old".
- Geographic restriction: Cosmos Club: No published geographic restriction; The Battery: Out of Town membership is "available to members who don't have a home within a 100 mile drive of the club".
- Annual dues: Cosmos Club: The club publishes no dues figure. Wikipedia reports annual dues of approximately $2,000 as of 2015; not independently verified and likely out of date; The Battery: Not publicly disclosed. Separate rates exist for Member, Partner, Out of Town and Under 30, and the Battery Alliance upgrade is charged in addition, but no amounts are published..
Side by side
| Cosmos Club | The Battery | |
|---|---|---|
| Profile | ||
| Type | Private club | Private club |
| Founded | 1878 (The club states it has "provided a prestigious environment for intellectual fellowship since 1878"; it was organised by John Wesley Powell and a circle of Washington scientists after Clarence Dutton asked why Washington had no club like the Century.) | 2013 (Founded by Michael and Xochi Birch, the founders of the social network Bebo, in a converted building at 717 Battery Street in San Francisco.) |
| Headquarters | Washington, United States | San Francisco, United States |
| Geographic footprint | Single clubhouse in the Townsend House at 2121 Massachusetts Avenue NW, Washington DC, with the adjoining Hillyer House and an annex | A single clubhouse in San Francisco, with reciprocal access to more than 70 private clubs in 23 countries through the optional Battery Alliance |
| Members | Not publicly disclosed by the club. Wikipedia gives approximately 3,089 members across full, junior, senior and emeritus categories as of 2017; that has not been independently verified. | Not publicly disclosed |
| Chapters | Single clubhouse; no chapters | 1 |
| Primary audience | The club describes itself as "a private Washington, D.C. social club for individuals distinguished in science, literature, the arts, learned professions, or public service" and says that to become a member "an individual must demonstrate distinction in their prospective artistic, scientific, literary, public service, or professional career". | The club says it exists "to play host to bright minds with big ideas"; its own copy describes a clubhouse for the curious rather than a professional or income band |
| Typical member | Members are people with a record of distinction in science, literature, the arts, a learned profession or public service. The club says its members have included three US presidents, two vice-presidents, 14 Supreme Court justices, 36 Nobel Prize winners, 61 Pulitzer Prize winners and 55 recipients of the Presidential Medal of Freedom. | The club publishes no occupational or wealth criteria. Its own materials emphasise conversation, cultural programming and collective giving through Battery Powered rather than industry or seniority. |
| Qualification | ||
| Maximum age at joining | No published maximum age at joining | Under 30 membership is "available to applicants under 30 years old"verified September 2026 · source ↗ |
| Geographic restriction | No published geographic restriction | Out of Town membership is "available to members who don't have a home within a 100 mile drive of the club"Distance is expressed as a driving distance from the clubhouse.verified September 2026 · source ↗ |
| Invitation required | Not documented | No |
| Sponsor required | Not documented | Yes |
| Application process | No application process is published. The club states the standard candidates must meet -- demonstrated distinction in a career in the arts, sciences, literature, public service or a profession -- but publishes no nomination procedure, application form, membership contact or timetable. | The club sets out four steps: complete the online application form; obtain a nomination; attend an open house, described as "an afternoon at the club and a chance to meet both members and our team"; and then, on approval, receive a membership kit. The club states that "Membership is by introduction, and it begins with a conversation." Applicants choose between Member, Partner, Out of Town and Under 30 types, with The Battery Alliance available as an upgrade. |
| Selectivity | Not publicly disclosed | Not publicly disclosed. The club publishes no acceptance rate, waitlist size or member count. |
| Cost | ||
| Annual dues | The club publishes no dues figure. Wikipedia reports annual dues of approximately $2,000 as of 2015; not independently verified and likely out of dateverified September 2026 · source ↗ | Not publicly disclosed. Separate rates exist for Member, Partner, Out of Town and Under 30, and the Battery Alliance upgrade is charged in addition, but no amounts are published.verified September 2026 · source ↗ |
| Initiation fee | Not publicly disclosedverified September 2026 · source ↗ | Not publicly disclosed. The club's apply page lists membership types without prices and no figure appears in its Charter.verified September 2026 · source ↗ |
| Membership term | Not documented | The Charter contains sections on Membership Duration and Membership Renewal; specific terms are not published, and Lifetime Membership classes exist alongside renewable membership |
| Structure | ||
| Meeting frequency | A continuous programme of lectures, concerts, literary conversations, study groups, wine tastings, brunches and dinner dances, listed on a members-only calendar | The clubhouse operates daily, with a member events calendar covering talks, tastings, music and social nights |
| Peer forums | Member study groups and committees, including an American History Study Group, Civil War group, Art Committee and Associates luncheons, appear on the club's public events calendar | Not documented |
| Confidentiality | Not publicly disclosed. The club publishes a cell phones and electronics policy rather than a confidentiality rule. | House rules ask members not to take, post or tag people in photos, and to put phones and laptops away in public areas during social hours |
| Time commitment | Not documented | Not documented |
| Organized as | Clubhouse premises, Event-focused | Clubhouse premises, Event-focused |
| Confidential peer forums | No | No |
| Local chapters | No | No |
| Virtual membership | No | No |
| Online community | No | Not documented |
| Member directory | Not documented | Not documented |
| Events | Yes | Yes |
| Programming | ||
| Educational programming | Yes | Yes |
| Leadership development | No | No |
| Retreats | No | No |
| Travel | Yes | Yes |
| Family programming | Partial | Partial |
| Spouse and partner programming | Not documented | Yes |
| Next-generation programming | Not documented | No |
| Investment discussions | No | Not documented |
| Investment opportunities | No | No |
| Philanthropic component | Partial | Yes |
| Networking emphasis | Medium | Medium |
| Social emphasis | High | High |
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Sources
Drawn from the sources listed on each page: Cosmos Club · The Battery