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.

  • 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.

  • 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.

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

216 claims, sorted by newest said. Choose a claim to read it in full.
VerdictKindSaidClaimTopic
Mostly false Factual 12 Jun 2023 Research establishes that in human affairs, higher intelligence leads to better outcomes in essentially every measurable aspect of human welfare and life quality. Factual · 12 Jun 2023 Philosophy, ethics and society
Unresolvable Prediction 12 Jun 2023 Which AI bet (US or China) a country takes will help tilt its political system in the future, as AI shapes its politics and culture. Prediction · 12 Jun 2023 AI policy and governance
Unresolvable Prediction 12 Jun 2023 There may be decades of architectural breakthroughs still ahead in AI. Prediction · 12 Jun 2023 AI timelines and forecasting
Unresolvable Factual 12 Jun 2023 Andreessen said he would estimate GPT-4's human-equivalent IQ, which he described as fluid intelligence, at roughly 130 to 135. Factual · 12 Jun 2023 AI capabilities
Mostly true Factual 12 Jun 2023 As of June 2023, the U.S. government was both alarmed about deepfakes and trying to outlaw blockchains. Factual · 12 Jun 2023 AI policy and governance
Mixed Prediction 12 Jun 2023 Andreessen said he was pretty confident that within roughly two years of June 2023, AI systems' limited persistent memory across sessions would be a solved problem. Prediction · 12 Jun 2023 AI timelines and forecasting
Mostly true Factual 12 Jun 2023 As of June 2023 there are chip shortages throughout the AI ecosystem, and NVIDIA cannot make enough chips. Factual · 12 Jun 2023 AI compute, hardware and data
Mostly true Prediction 12 Jun 2023 Andreessen said he thought the rate of AI technological improvement from mid-2023 onward would be very rapid. Prediction · 12 Jun 2023 AI timelines and forecasting
Mostly false Factual 12 Jun 2023 Outside the San Francisco Bay Area, AI development is overwhelmingly in Beijing and Shanghai. Factual · 12 Jun 2023 AI compute, hardware and data
Unresolvable Prediction 12 Jun 2023 Countries like Israel will have their own AI capabilities, but much of what they have will be derived from the United States. Prediction · 12 Jun 2023 AI policy and governance
Mixed Factual 12 Jun 2023 Hundreds of studies' conclusions on the benefits of intelligence all correlate with fluid intelligence, the ability to rapidly assimilate knowledge and use it to solve problems. Factual · 12 Jun 2023 Philosophy, ethics and society
Resolved true Factual 12 Jun 2023 The AI being discussed is not, strictly speaking, human intelligence. Factual · 12 Jun 2023 AI capabilities
Unresolvable Prediction 6 Jun 2023 Artificial intelligence will not destroy the world, and may instead save it. Prediction · 6 Jun 2023 AI timelines and forecasting
Unresolvable Promise 20 Sep 2021 Marc Andreessen and Ben Horowitz will host their Clubhouse show "One On One with A & Z" on Wednesday, September 22, 2021 at 5:00 PM Pacific. Promise · 20 Sep 2021 Their own work or organisation
Unresolvable Promise 20 Aug 2021 Marc Andreessen and Ben Horowitz will host their Clubhouse show "One On One with A & Z" on Monday, August 23, 2021 at 7:00 PM Pacific. Promise · 20 Aug 2021 Their own work or organisation
Unresolvable Promise 13 Aug 2021 Marc Andreessen and Ben Horowitz will host their Clubhouse show "One On One with A & Z" on Monday, August 16, 2021 at 7:00 PM Pacific. Promise · 13 Aug 2021 Their own work or organisation
Mostly true Factual 18 Apr 2020 Top-end universities can teach only a microscopic percentage of the 4 million new 18-year-olds in the US each year. Factual · 18 Apr 2020 Economics and markets
Resolved true Factual 18 Apr 2020 As of April 2020 there were no therapies or vaccine for the coronavirus, despite years of warnings about bat-borne coronaviruses. Factual · 18 Apr 2020 Biosecurity
Unresolvable Factual 18 Apr 2020 Prices of housing, schools and hospitals have skyrocketed. Factual · 18 Apr 2020 Economics and markets
Mostly true Factual 18 Apr 2020 Energy experts say all carbon-based electrical power generation on the planet could be replaced by a few thousand new zero-emission nuclear reactors. Factual · 18 Apr 2020 Technology
Mixed Factual 18 Apr 2020 American manufacturing output is higher than ever. Factual · 18 Apr 2020 Economics and markets
Mostly true Factual 18 Apr 2020 Milton Friedman said the great public sector mistake is to judge policies and programs by their intentions rather than their results. Factual · 18 Apr 2020 Philosophy, ethics and society
Mostly false Factual 18 Apr 2020 The US government has never built a system to distribute money quickly to citizens and businesses when needed. Factual · 18 Apr 2020 AI policy and governance
Unresolvable Factual 18 Apr 2020 The last major innovation in K-12 education was Montessori, which traces back to the 1960s. Factual · 18 Apr 2020 Economics and markets
Unresolvable Factual 18 Apr 2020 The US cannot build nearly enough housing in cities with surging economic potential, causing skyrocketing housing prices such as in San Francisco. Factual · 18 Apr 2020 Economics and markets
Resolved true Factual 18 Apr 2020 As of April 2020 the US lacked enough coronavirus tests and test materials, including cotton swabs and common reagents. Factual · 18 Apr 2020 Other global risks
Mixed Factual 18 Apr 2020 As of April 2020 there were not enough ventilators, negative pressure rooms and ICU beds. Factual · 18 Apr 2020 Other global risks
Mostly false Factual 18 Apr 2020 One-to-one tutoring can reliably increase education outcomes by two standard deviations (the Bloom two-sigma effect). Factual · 18 Apr 2020 Science and research methods
Not yet due Prediction 18 Apr 2020 The institutional failure over the coronavirus pandemic will have effects through the rest of the 2020s. Prediction · 18 Apr 2020 Other global risks
Unresolvable Factual 18 Apr 2020 Every Western institution was unprepared for the coronavirus pandemic despite many prior warnings. Factual · 18 Apr 2020 Other global risks
Resolved true Prediction 18 Apr 2020 The essay "It's Time to Build" will be the target of criticism. Prediction · 18 Apr 2020 Their own work or organisation
Mostly true Factual 18 Apr 2020 Things built in huge quantities, like computers and TVs, drop rapidly in price. Factual · 18 Apr 2020 Economics and markets
Unresolvable Prediction 1 Jan 2018 Commercial drones will become a giant market in industries such as oil and gas and insurance. Prediction · 1 Jan 2018 Technology
Resolved true Factual 1 Jan 2018 Andreessen Horowitz has since reversed course almost completely and is now deeply invested in healthcare. Factual · 1 Jan 2018 Their own work or organisation
Resolved true Factual 1 Jan 2018 Supersonic passenger flight with the Concorde existed previously but no longer exists. Factual · 1 Jan 2018 Technology
Mostly true Factual 1 Jan 2018 A single individual can now build a self-driving car, whereas ten years ago it was a DARPA-funded research challenge. Factual · 1 Jan 2018 AI capabilities
Unresolvable Prediction 1 Jan 2018 Autonomous drone technology is about to tip and become very widely usable. Prediction · 1 Jan 2018 Technology
Own records only Factual 1 Jan 2018 Andreessen said that probably the single, No. 1 thing "we" try to get "our companies" to do is raise prices. Factual · 1 Jan 2018 Their own work or organisation
Unresolvable Factual 1 Jan 2018 The autonomous drone can fly through underground parking garages without collisions. Factual · 1 Jan 2018 AI capabilities
Unresolvable Factual 1 Jan 2018 The autonomous drones are based on deep learning. Factual · 1 Jan 2018 AI capabilities
Own records only Factual 1 Jan 2018 Andreessen described his firm's approach as one where, if the partner closest to a deal has a very strong degree of positive commitment and enthusiasm for it, the firm should make the investment even if others in the room disagree, though the partner is expected to stress test their own thinking first. Factual · 1 Jan 2018 Their own work or organisation
Own records only Factual 1 Jan 2018 Andreessen said that "that", which in context seems to mean his firm's deep involvement in health, was "a response to the hedge fund thing". He added that very smart founders had been telling the firm it was "dumb"; the passage does not say what "the hedge fund thing" was. Factual · 1 Jan 2018 Their own work or organisation
Own records only Factual 1 Jan 2018 Marc Andreessen has only seen the first season of the TV show Silicon Valley. Factual · 1 Jan 2018 Other
Resolved true Factual 1 Jan 2018 In the American economy, the rate of job creation and destruction is falling rather than rising. Factual · 1 Jan 2018 AI, the economy and work
Mostly true Factual 1 Jan 2018 Gross job creation and destruction figures are not reported; the US destroys over 5 million jobs and creates over 6 million jobs per quarter. Factual · 1 Jan 2018 AI, the economy and work
Own records only Factual 1 Jan 2018 The number one theme among struggling Andreessen Horowitz portfolio companies is that they do not charge enough for their product. Factual · 1 Jan 2018 Economics and markets
Own records only Factual 1 Jan 2018 Andreessen Horowitz formally creates a red team to argue the opposing side of a deal when necessary. Factual · 1 Jan 2018 Their own work or organisation
Unresolvable Prediction 1 Jan 2018 Sky Deal's autonomous consumer drones will be a very big advance in what hobbyists can do. Prediction · 1 Jan 2018 Technology
Mostly true Factual 1 Jan 2018 This new AI technology is the same technology Google's AI used to beat a human Go player. Factual · 1 Jan 2018 AI capabilities
Mostly false Factual 1 Jan 2018 The sesame scene in season one of Silicon Valley is loosely based on Peter Thiel. Factual · 1 Jan 2018 Other
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
Unresolvable Prediction 1 Jan 2018 Entrepreneurial opportunity is more likely to be in areas people think of as cult and fringe. Prediction · 1 Jan 2018 Economics and markets
Resolved true Factual 1 Jan 2018 Warren Buffett invested in Heinz ketchup. Factual · 1 Jan 2018 Economics and markets
Mostly false Factual 1 Jan 2018 When Andreessen arrived in Silicon Valley, the overwhelming mood was that the PC was finished and the Valley was probably done too. Factual · 1 Jan 2018 Economics and markets
Mostly true Prediction 1 Jan 2018 In the three months after January 2018, the US economy will destroy more jobs than the World Economic Forum projected AI would destroy over the next five years. Prediction · 1 Jan 2018 AI, the economy and work
Mostly true Factual 1 Jan 2018 Roof inspection, which involves a person climbing up on a roof and taking notes, is a fairly dangerous job. Factual · 1 Jan 2018 Economics and markets
Own records only Factual 1 Jan 2018 Andreessen prepared for weeks for his debate with Peter Thiel, expecting Thiel not to prepare. Factual · 1 Jan 2018 Their own work or organisation
Unresolvable Prediction 1 Jan 2018 The things being described, which the speaker said would be used for drones, will become things people rely on to make their lives safer and better, and will be taken completely for granted. Prediction · 1 Jan 2018 Technology
Mostly true Factual 1 Jan 2018 Peter Thiel flatly says the iPhone does not count as innovation. Factual · 1 Jan 2018 Their own work or organisation
Own records only Factual 1 Jan 2018 Andreessen Horowitz assumes it will be invested in each company it backs for 10 or more years. Factual · 1 Jan 2018 Economics and markets
Own records only Factual 1 Jan 2018 Each general partner at Andreessen Horowitz can make a deal without a vote or consensus. Factual · 1 Jan 2018 Their own work or organisation
Mostly true Factual 1 Jan 2018 Bitcoin is still working today exactly as it did in previous years, despite crashes. Factual · 1 Jan 2018 Economics and markets
Mostly true Factual 1 Jan 2018 Andreessen Horowitz initially made no healthcare-related investments. Factual · 1 Jan 2018 Their own work or organisation
Resolved true Factual 1 Jan 2018 Andreessen said "we" repeatedly see people fail because they price too low ("too hungry to eat") and so cannot afford the sales and marketing needed to get anybody to buy the product. Factual · 1 Jan 2018 Economics and markets
Unresolvable Factual 1 Jan 2018 Friendster's investors were, more likely than not, unwilling and unable to invest in Facebook because they were conflicted, as Friendster's founder would have objected to investment in a competing company. Factual · 1 Jan 2018 Economics and markets
Mostly true Factual 1 Jan 2018 Silicon Valley has become increasingly assertive in entering other industries directly, rather than only selling tools. Factual · 1 Jan 2018 Economics and markets
Mixed Factual 1 Jan 2018 Andreessen Horowitz's portfolio companies are getting more assertive about entering markets that earlier founders may not have been willing to enter. Factual · 1 Jan 2018 Economics and markets
Mostly true Factual 28 May 2017 In 1992 it was widely held that the internet was for academics and nerds, with no use case for ordinary people. Factual · 28 May 2017 Technology
Mostly true Factual 28 May 2017 The University of Illinois, where Andreessen went to college, was then one of four US universities government-funded as hubs for NSFNET, which became the internet. Factual · 28 May 2017 Technology
Unresolvable Factual 28 May 2017 In 1993 the University of Illinois campus had broadband at the level people have in their homes in 2017. Factual · 28 May 2017 Technology
Mostly false Factual 28 May 2017 ARPA (now DARPA) funded a military network originally conceived for nuclear command and control. Factual · 28 May 2017 Technology
Mixed Factual 20 Aug 2011 As of 2011, Amazon was the world's largest bookseller. Factual · 20 Aug 2011 Economics and markets
Unresolvable Factual 20 Aug 2011 As of 2011, Google was the largest direct marketing platform. Factual · 20 Aug 2011 Economics and markets
Mixed Factual 20 Aug 2011 As of August 2011, major public technology companies had all-time low price/earnings ratios. Factual · 20 Aug 2011 Economics and markets
Mostly true Factual 20 Aug 2011 Skype, the fastest growing telecom company, was just bought by Microsoft for $8.5 billion. Factual · 20 Aug 2011 Economics and markets
Unresolvable Prediction 20 Aug 2011 Andreessen expected that over the next 10 years many more industries would be disrupted by software, with new world-beating Silicon Valley companies doing the disruption in more cases than not. Prediction · 20 Aug 2011 Technology
Unresolvable Prediction 20 Aug 2011 In Andreessen's view, health care and education are next up for fundamental software-based transformation. Prediction · 20 Aug 2011 Technology
Unresolvable Prediction 20 Aug 2011 The trend toward hybrid and electric vehicles will accelerate the shift of cars to software control. Prediction · 20 Aug 2011 Technology
Unresolvable Prediction 20 Aug 2011 If the new software companies perform as expected, they will become highly valuable cornerstone companies in the global economy, addressing markets far larger than tech has historically pursued. Prediction · 20 Aug 2011 Economics and markets
Unresolvable Factual 20 Aug 2011 In 2011 cars' software runs engines, controls safety features, provides entertainment and navigation, and connects cars to mobile, satellite and GPS networks. Factual · 20 Aug 2011 Technology
Mixed Factual 20 Aug 2011 As of 2011, Netflix was the largest video service by number of subscribers. Factual · 20 Aug 2011 Economics and markets
Resolved false Prediction 20 Aug 2011 Within 10 years of 2011, at least five billion people worldwide will own smartphones. Prediction · 20 Aug 2011 Technology
Unresolvable Factual 20 Aug 2011 In 2011 running a basic Internet application in Amazon's cloud cost about $1,500 a month. Factual · 20 Aug 2011 Technology
Unresolvable Factual 20 Aug 2011 As of 2011, LinkedIn was the fastest growing recruiting company. Factual · 20 Aug 2011 Economics and markets
Resolved true Factual 20 Aug 2011 Marc Andreessen said Disney had to buy Pixar, a software company, to remain relevant in animated movies. Factual · 20 Aug 2011 Economics and markets
Resolved true Factual 20 Aug 2011 Videogame makers are today's fastest growing entertainment companies, with the industry growing to $60 billion from $30 billion five years earlier. Factual · 20 Aug 2011 Economics and markets
Mostly false Prediction Jun 1995 George Gilder predicts that within five to ten years the Internet will essentially be free. Prediction · Jun 1995 Economics and markets
Unresolvable Factual Jun 1995 Netscape builds cryptography into most of its products. Factual · Jun 1995 Technology
Unresolvable Prediction Jun 1995 Andreessen said he thought a lot of companies were going to start taking advantage of "that"; the material does not say what "that" refers to. Prediction · Jun 1995 Economics and markets
Unresolvable Factual Jun 1995 Mosaic was basically written without bandwidth considerations in mind, designed for a really fast network at a time when its developers had the NSF T3 backbone (45 Mbps). Factual · Jun 1995 Technology
Unresolvable Factual Jun 1995 The idle supercomputers sit unused because scientists prefer a DEC Alpha workstation, which is as fast or faster than a supercomputer at a fraction of the cost. Factual · Jun 1995 AI compute, hardware and data
Own records only Factual Jun 1995 Supercomputing centers cannot afford to remove their idle supercomputers from buildings; removal from the third floor costs $500,000. Factual · Jun 1995 AI compute, hardware and data
Mostly true Factual Jun 1995 Netscape did not have a major sales force in Europe as of June 1995. Factual · Jun 1995 Their own work or organisation
Mostly true Factual Jun 1995 The government set the OSI networking standard, which nobody uses. Factual · Jun 1995 AI policy and governance
Unresolvable Factual Jun 1995 Research funding in general, and for efforts like Mosaic in particular, dropped off in the early 1990s. Factual · Jun 1995 Economics and markets
Own records only Factual Jun 1995 Netscape has archived and sorted all incoming user feedback messages. Factual · Jun 1995 Their own work or organisation
Unresolvable Prediction Jun 1995 Among other things, commercialization will guarantee that the Net will be there. Prediction · Jun 1995 Economics and markets
Unresolvable Factual Jun 1995 Andreessen said the project he and Eric worked on never really had a manager. Factual · Jun 1995 Technology
Own records only Factual Jun 1995 Andreessen said that "we" basically declined to take a license fee because, at that point, they did not see any potential property issues. Factual · Jun 1995 Economics and markets
Mostly true Factual Jun 1995 Cryptography is export-controlled by the US government as a munition, and Netscape makes exportable versions of its software, which are the ones predominantly used on the Internet. Factual · Jun 1995 AI policy and governance
Back to the list

Factual Technology

“In today’s cars, software runs the engines, controls safety features, entertains passengers, guides drivers to destinations and connects each car to mobile, satellite and GPS networks.”

Marc Andreessen, a16z co-founder, essay author 20 August 2011 Why Software Is Eating the World (a16z)

In 2011 cars' software runs engines, controls safety features, provides entertainment and navigation, and connects cars to mobile, satellite and GPS networks.

Unresolvable The public record could not settle it.

The second judge would not resolve this claim; the verdict shown is the first judge's.

Said for an organisation they lead or work for; it counts on both records.

What would count as true or false

Judged as of 2011-08-20 for typical new cars of that time (not necessarily every car). The claim has five functions: software running engines (ECUs), controlling safety features (ABS, airbags, stability control), entertaining passengers (infotainment), guiding drivers (navigation), and connecting cars to mobile, satellite and GPS networks. True: evidence shows that software performed all five in mainstream 2011 cars, with connectivity at least common in available systems (for example OnStar, SYNC, GPS navigation, satellite radio). Mostly true: all five held, but one, such as full mobile connectivity, was limited to higher-end models. Mixed: two or so of the functions were not commonly software-driven in 2011. Mostly false or false: most of the listed functions were not software-controlled in 2011 cars.

Evidence

  1. Electronic Stability Control Systems Motor (Motor.com), trade magazine, by Dave Hobbs · June 2011
    “Electronic stability control systems will become mandatory on every passenger vehicle”
  2. The Straight Stuff on Electronic Stability Control Systems Motor Age (motor.com), by Dave Hobbs · June 2011
    “Moving forward, 85% of all 2010 cars and 100% of 2010 SUVs have stability control.”
  3. The Straight Stuff on Electronic Stability Control Systems Motor Age (motor.com), by Dave Hobbs · June 2011
    “The remaining and most important component is invisible—the software!”
  4. The Straight Stuff on Electronic Stability Control Systems Motor Age (motor.com), by Dave Hobbs · June 2011
    “What ESC does do is allow a minor amount of poor judgment while cornering to be turned into a minor amount of forgiveness by reducing engine power and applying the correct wheel(s) brake(s) when a skid is detected.”
  5. 2011 Nissan LEAF Press Kit Nissan North America (usa.nissannews.com) · 28 October 2010
    “Through CARWINGS, Nissan LEAF drivers are able to use mobile phones to turn on air conditioning and set charging functions remotely, even when the vehicle is powered down.”
  6. 2011 Nissan LEAF Press Kit Nissan North America (usa.nissannews.com) · 28 October 2010
    “Vehicle Dynamic Control (VDC) and Traction Control System (TCS) are also standard on all LEAF models.”
  7. 2011 GMC Savana Passenger Van Specs & Trims CarBuzz
    “Navigation SystemNot Available”
  8. 2011 Cadillac CTS Sport Wagon Specs & Trims CarBuzz
    “Navigation from TelematicsStandard”

Reasoning

The evidence shows that stability control was widespread and relied on software [E2][E3], that one 2011 model could be controlled remotely by mobile phone [E5], and that navigation was offered on some 2011 models but not others [E7][E8]. No evidence item addresses software running engines or entertaining passengers, so the evidence cannot show that all five functions held, as the criteria require.

Cite this claim

Marc Andreessen, “In 2011 cars' software runs engines, controls safety features, provides entertainment and navigation, and connects cars to mobile, satellite and GPS networks.” (said 20 August 2011). Verdict: unresolvable. Reliability API, claim c_a82f3c4f5b8a, method 0.1.0+c876030c. https://epistacklabs.com/claims/c_a82f3c4f5b8a

Claims without a verdict

Is a verdict here wrong, or do you speak for Marc Andreessen? Reply on the claim's own page, with the form at its foot (how replies work). Verdicts are made automatically; how verdicts and scores are made.