ClaimsPeople

Marc Andreessen

Marc Andreessen co-created the Mosaic browser, cofounded Netscape, and is cofounder and general partner of the venture capital firm Andreessen Horowitz.

1,009 claims collected, 216 researched, 105 resolved. Report of 4 November 2026, method 0.1.0+c876030c.

Scores by kind of claim

Each kind of claim is scored on its own, out of 100: the share that held up, with the range it likely falls in. Fewer resolved claims give a wider range.

  • Factual claims

    Statements about the present or the past, checked against the record: did they hold up?

    67 61 73

    High confidence, 94 factual claims resolved. From 11 documents, 1995 to 2026; 19 documents sampled from 30 candidates found.

    Not scored: 44 unresolvable, 17 checkable only against their own records.

    See the factual claims

  • Predictions

    Statements about events outside the person's control, checked once they fell due: did they come true?

    60 44 76

    Low confidence, 11 predictions resolved. From 6 documents, 1995 to 2025; 19 documents sampled from 30 candidates found.

    Not scored: 41 unresolvable, 1 checkable only against their own records. 4 more fall due later.

    Does not yet allow for how likely each prediction was when made.

    See the predictions

  • Promises

    Commitments to the person's or organisation's own future action, with something to deliver: was it delivered?

    Insufficient record: 0 promises resolved, 5 needed for a score.

    Not scored: 3 unresolvable.

    See the promises

All types combined: 66 (likely 61 to 72, high confidence), from 105 claims: 94 factual claims, 11 predictions. It mixes kinds of claim in different proportions for different people, so compare people kind by kind.

Marc Andreessen's claims

1 claim

1 claim, sorted by newest said. Choose a claim to read it in full.
VerdictKindSaidClaimTopic
Research failed Factual 1 Jan 2018 Andreessen took part in a debate with Peter Thiel at the Milton Conference. Factual · 1 Jan 2018 Their own work or organisation
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Marc Andreessen

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Factual Their own work or organisation

“So it was a debate at the Milton Conference, which is one of my shining moments.”

Marc Andreessen, a16z co-founder, interviewed 1 January 2018 The Tim Ferriss Show Transcripts: Marc Andreessen (#163) (Tim Ferriss blog)

Andreessen took part in a debate with Peter Thiel at the Milton Conference.

Research failed Research could not run for this claim; not scored.

Reasoning

No resolution criteria were returned for this claim, so it could not be researched.

Cite this claim

Marc Andreessen, “Andreessen took part in a debate with Peter Thiel at the Milton Conference.” (said 1 January 2018). Verdict: research failed. Reliability API, claim c_92a70b1d5449, method 0.1.0+c876030c. https://epistacklabs.com/claims/c_92a70b1d5449

Claims without a verdict

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