a16z
@a16z · The Cloud · joined 11 Aug 2009
It's time to build. https://t.co/A9eTFq6Xbx Posts are not investment advice or an advertisement for investment services. See https://t.co/nX2FtaLE06.
1 078 759Followers
63Following
25 820Posts total
33.8MViews on collected posts
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Ben Horowitz says instead of banning AI, educators should set problems students can't solve without it:
"I was talking to Dan Boneh, who is a great professor of computer science and cryptography at Stanford. His take on AI was: You have two choices. You can ban it, and by the ht
9K views · 49 likes
· 3 reposts · 11 replies
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1:19
Gagan Biyani on why the best way to learn people skills is to build something you can't do alone, and how HAA is designed around it:
"One of the most important things we want is to develop people skills. And one of the core tenets of developing a skill like that is osmosis. You
8.8K views · 14 likes
· 0 reposts · 2 replies
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1:44
Ben Horowitz says this may be one of the best times in history to be 18: you're entering a world only your generation will understand.
"I would be thrilled to be 18. I think it is one of the best times in history to be 18. It's unfortunate because I think the systems for getting
13.7K views · 69 likes
· 5 reposts · 8 replies
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1:33
Gagan Biyani with Erik Torenberg and Ben Horowitz on HAA: The Horowitz Andreessen Academy
HAA is a private, full-time, in-person school in San Francisco for young people coming out of high school. Its mission is to nurture the best young people in the world, and equip them with
39.3K views · 95 likes
· 8 reposts · 5 replies
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42:41
The internet made it possible to know anything. AI makes it possible to do anything. That changes what it means to be educated. And it demands a new kind of institution.
Announcing The Horowitz Andreessen Academy.
In partnership with Anduril, Anthropic, Coinbase, Google, Meta,
102.8K views · 955 likes
· 79 reposts · 58 replies
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The SaaSpocalypse is off to a slow start
Software stocks since the Feb 22 Citrini post:
Large cap: ~+27%
Small cap: ~+30%
Mid cap: ~+34%
More charts: https://t.co/TlqNcfrn9a https://t.co/NI8t90PGmX
11.8K views · 51 likes
· 4 reposts · 13 replies
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ChatGPT changed the game in 2022. Median startup revenue four years after founding:
2018: $2.0M
2019: $2.3M
2020: $2.5M
2021: $2.8M
2022: $5.6M
More charts: https://t.co/TlqNcfrn9a https://t.co/IGCrWtfpSl
24.3K views · 173 likes
· 13 reposts · 31 replies
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.@bhorowitz on the $10 album that was worth $5 million to his career, and what @Nas said when he tried to pay it back:
"Paid in Full is an organization meant to honor the legacy of the people who created one of the most important musical art forms of all time, hip-hop, and make
36K views · 94 likes
· 9 reposts · 8 replies
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2:27
Ben Horowitz and Erik Torenberg with Nas, Steve Stoute, and Grandmaster Caz on the Paid in Full Foundation
Caz penned rhymes that became Rapper's Delight. Even with his name in them, he got nothing.
The Paid in Full foundation honors the people who created hip-hop by making htt
211.2K views · 167 likes
· 21 reposts · 19 replies
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57:02
a16z's Martin Casado on why the word "pacing" was a misstep, and Databricks' @alighodsi on what the labs were actually asking for:
Martin: "Saying security and safety is important, it is with every tech epoch, and we wanna have some oversight. That was very, very sensible. The h
21.9K views · 63 likes
· 7 reposts · 17 replies
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3:44
Databricks' @alighodsi says "Right now the existential risk is close to zero." Why he thinks the public doom talk is irresponsible:
"Leaders have responsibility to not freak people out unnecessarily unless there's really, really good reason."
"Talking about these kind of https:
24.9K views · 96 likes
· 15 reposts · 18 replies
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1:58
Databricks' @alighodsi with a16z's Martin Casado on who should be policing the AI labs:
Martin: "There's kind of three proposals. The OpenAI, Anthropic one is a third party. The Elon Musk one, as far as I can tell, is the labs cross-check each other like peer review, like you do
25.9K views · 87 likes
· 9 reposts · 10 replies
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1:12
@a16z We’re still so early. https://t.co/5N4dX1CO1u
1.6K views · 12 likes
· 1 reposts · 1 replies
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Databricks' @alighodsi on the clock that's forcing cyber and data into the same market:
"It used to be like, okay, we have data and AI... you have a bunch of data and you run AI and machine learning, and that just lives separately."
"And then you have the cyber world. Cyber htt
34.5K views · 110 likes
· 13 reposts · 18 replies
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1:32
Databricks' @alighodsi on AI risk and adoption:
Ali isn't losing sleep over the existential risk debate.
He says a number of conditions would all have to be true simultaneously to enable an actual runaway takeoff scenario, and currently several opposite conditions exist.
Each
222.9K views · 166 likes
· 34 reposts · 32 replies
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66:52
@a16z ai is the only thing i spend money on other than travel, food, and equinox
3.4K views · 38 likes
· 1 reposts · 3 replies
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Almost nobody pays for AI out of pocket yet
Only ~3% of US consumers do, up from under 1% in 2023
The youngest buyers are adopting at 4x the rate of the oldest
Charts of the Week: https://t.co/TlqNcfrn9a https://t.co/VV4IdcXybr
390.6K views · 1.1K likes
· 135 reposts · 106 replies
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a16z's Alex Rampell says the best software incumbents have hostages, not customers:
"Normally, selling into the brownfield is hard just because it's brown. What does brownfield mean? It means that it's been trampled by an incumbent."
"Try selling ERP and you have a product http
26.9K views · 85 likes
· 5 reposts · 16 replies
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1:18
not trying is the only guaranteed failure https://t.co/TB51IgieHH
42.5K views · 1.4K likes
· 114 reposts · 34 replies
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Lightfield co-founder and CEO Keith Peiris on how they got 10 startups to use a product they didn't ask for:
"First, we built a go-to-market assistant. We got people to like it, and then we couldn't get anyone to pay for it... We had all of these AEs using it every day, but we h
34.4K views · 90 likes
· 6 reposts · 20 replies
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1:44
Lightfield co-founder and CEO Keith Peiris on why AI ends swim lanes and makes everyone a generalist:
"One of the things I regret about Tome that we've definitely fixed with Lightfield is... Henry, my co-founder, says this all the time: We had a lot of people playing house." htt
31K views · 66 likes
· 5 reposts · 14 replies
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1:57
Lightfield co-founder and CEO Keith Peiris on killing a product with two million monthly users and rebuilding the CRM from scratch:
Lightfield's predecessor was an AI presentation tool growing faster than the team could buy inference to support it. Keith shut it down anyway. htt
94K views · 111 likes
· 21 reposts · 22 replies
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52:03
@a16z Yup, I do something similar with all my projects, and not restricted to security, to everything. I do it whenever a new frontier model comes out despite the huge time and cost required for me given that I have well over 100 open source projects now.
The point about verifi
17K views · 55 likes
· 2 reposts · 2 replies
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Greg Brockman on what solving Navier-Stokes says about the problems AI can take on next:
"We actually used 10,000 agents to solve the Navier-Stokes problem."
"It's both an important problem for what it is, has significant implications and applications to fluid dynamics, to how
17.9K views · 41 likes
· 6 reposts · 8 replies
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0:50
Greg Brockman on the next year at OpenAI and what he spends his time thinking about:
"The business is a huge area that we're not done yet with really up-leveling every part of execution. But I also think we are moving into a new phase of AI development."
"We call this the AGI h
17.3K views · 58 likes
· 6 reposts · 10 replies
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1:42
Greg Brockman on the defenders' window that closes when frontier AI capabilities become distributed:
"Hugging Face shows... what future capabilities will be like when they are broadly diffused and in the hands of threat actors. And that will happen."
"In the case of Hugging htt
16.5K views · 31 likes
· 3 reposts · 4 replies
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2:30
@a16z let him use AGI to find a cure for baldness please
7.7K views · 78 likes
· 0 reposts · 4 replies
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@a16z @harvey it's true, i'm the assistant to the assistant regional manager and we're moving so fast that our regional cultural assistant director has 4-5 unpaid interns rn.
618 views · 5 likes
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Against accounts of the same size
118 posts from the last 90 days, next to the 1M–10M follower range. right around the median for its follower range.
Median views6 252this account14 648median for 1M–10M
Reach, %0.58%this account0.74%median for 1M–10M
Engagement, %0.59%this account0.70%median for 1M–10M
| Metric | This account | Median for 1M–10M | Ratio |
|---|---|---|---|
| Median views per post | 6 252 | 14 648 | 0.43× |
| Reach (views ÷ followers) | 0.58% | 0.74% | 0.78× |
| Engagement rate | 0.59% | 0.70% | 0.85× |
Others in this range → Compare with another account → How these benchmarks are built →
Growth & engagement
How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.
Views per post
34.5K18 Sep
1.6K19 Sep
25.9K
24.9K
21.9K
211.2K20 Sep
36K
24.3K21 Sep
11.8K
102.8K22 Sep
39.3K
13.7K
8.8K
9K
Last 14 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.
Engagement rate per post
0.42%18 Sep
0.96%19 Sep
0.41%
0.53%
0.42%
0.10%20 Sep
0.31%
0.91%21 Sep
0.59%
1.09%22 Sep
0.29%
0.60%
0.19%
0.71%
Reactions — likes, reposts, replies and quotes — divided by views. Median for 1M–10M accounts is 0.70%.
What the audience does
Likes62.6%5 462 in total
Reposts6.2%540 in total
Replies5.7%500 in total
Quotes2.6%230 in total
Bookmarks22.9%1 996 in total
Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.
Followers by day
19 Sep22 Sep
Daily snapshots since 19 Sep 2026; the dashed line is the starting count.
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