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Personnel: Jared Kaplan at Anthropic (Co-founder)

Verdictpartial85%
4 checks · 3 src · 4/13/2026
⚠ Checks disagree: 1 unverifiable, 2 confirmed, 1 partial

The source confirms three of four key fields: person (Jared Kaplan), org (Anthropic), and role (co-founder). However, the specific startDate of 2021-01 is not mentioned in the source text. The source discusses his background before co-founding and his current roles, but does not provide the founding date. This is a partial confirmation—the core facts are verified but the precise start date cannot be confirmed from this source.

Our claim

entire record
Role
Co-founder
Role Type
career
Start Date
January 2021
Is Founder
Yes

Source evidence

3 src · 4 checks
unverifiable95%Haiku 4.5 · 4/4/2026

NoteWhile the source is from Anthropic's official company page and discusses the organization, it does not specifically mention Jared Kaplan or provide information about co-founders or their start dates. The Board of Directors listing does not include Jared Kaplan. The source material does not address the specific claims about Jared Kaplan's role, affiliation, or start date, making these claims unverifiable based on this particular source text.

confirmed95%Haiku 4.5 · 4/9/2026

NoteThe source text confirms all key fields: (1) person is Jared Kaplan, (2) org is Anthropic, (3) role is co-founder (explicitly stated in both the infobox and Notable employees section), and (4) startDate is 2021 (the company was founded in 2021). The record's startDate of '2021-01' (January 2021) is consistent with the source stating the company was founded in 2021, though the source does not specify the exact month. This level of precision is acceptable and does not contradict the claim.

confirmed99%claim-verification · 4/6/2026
Wikipedia explicitly lists Jared Kaplan among the founders
partial85%Haiku 4.5 · 4/13/2026

NoteThe source confirms three of four key fields: person (Jared Kaplan), org (Anthropic), and role (co-founder). However, the specific startDate of 2021-01 is not mentioned in the source text. The source discusses his background before co-founding and his current roles, but does not provide the founding date. This is a partial confirmation—the core facts are verified but the precise start date cannot be confirmed from this source.

Case № Pyc0nt9h4YFiled 4/13/2026Confidence 85%