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Guillermo Rauch

Guillermo Rauch

@guillermo-rauch · 52 positions · 1 change of mind · On ppll ↗

CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.

Guillermo Rauch did not write this page.

We collected these quotes from things they published elsewhere, and every quote links to where it was said. They have no account here and have not endorsed this site. Quotes are word for word; the short line under each one is our own restatement, not their wording. Their own site. Is this you? Claim it or ask us to remove it. Or tell us what is wrong here.

The ideas Guillermo Rauch's claims keep coming back to. The labels are ours; every quote is Guillermo Rauch's own words.

Holds now (8)

How these views changed over time2014–2026
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2014 2 views
2015 1 quiet
2016–25 1 quiet
QuietDesigning and building interfaces are becoming one discipline, done with real data
Why
Nothing on this in 2016–2025 in our sources. Last said 13 Jul 2015: Lorem ipsum has had a good run; design with data instead.Not said since
2026 +6 new · 1 back

Each column is a stretch of time in which the same views came up; a new column starts when one appears or goes quiet. Quiet means nothing on it in our sources for that stretch, which is not the same as a change of mind; Dropped means they said they no longer hold it; tap the card for which claim and when. Revised means the view carries on but one of its claims was dropped. Each row is one view, in the same place all the way along. The number is how many claims in that stretch; we hold 3 in 2014, 4 in 2015, 1 in 2016, 0 in 2017, 0 in 2018, 0 in 2019, 0 in 2020, 0 in 2021, 0 in 2022, 1 in 2023, 1 in 2024, 0 in 2025, 48 in 2026.

Software should be fast: latency, bloat and slow startup are problems to engineer away

Our label. 6 claims in Guillermo Rauch's own words.

JavaScript should act immediately on user input to mask network latency, which should remove most spinners and loading messages.

Speed is a feature

  1. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO JavaScript allows us to mask network latency altogether. Applying this as a design principle should even remove most spinners or “loading” messages from your applications. 7 principles of rich web applicationsrauchg.com · 4 Nov 2014
    JavaScript allows us to mask network latency altogether. Applying this as a design principle should even remove most spinners or “loading” messages from your applications.

Minimizing network round trips is essential to a good user experience, because bandwidth keeps improving and latency will not.

Bottlenecks, Speed is a feature

  1. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO The bandwidth capacity of your users' connections might improve noticeably, as it steadily has, but the latency needle won't move much at all. This means that minimizing the number of roundtrips you make to display information on page is essential to great user experience and responsiveness. 7 principles of rich web applicationsrauchg.com · 4 Nov 2014
    The bandwidth capacity of your users' connections might improve noticeably, as it steadily has, but the latency needle won't move much at all. This means that minimizing the number of roundtrips you make to display information on page is essential to great user experience and responsiveness.

Software tends to get slower, more bloated, buggier and bigger as it evolves, unless it is designed from the outset to prevent that.

Everything decays without maintenance

  1. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO As software evolves, it tends to get slower, more bloated, buggier, and bigger. @rauchg on Xx.com · 25 Aug 2026
    As software evolves, it tends to get slower, more bloated, buggier, and bigger.

There is no excuse for software to be slow anymore.

Speed is a feature

  1. David Heinemeier Hansson Creator of Ruby on Rails, CTO of 37signals There's no reason a machine from ten years ago shouldn't fly like superman. @dhh on Xx.com · 27 Sept 2026
    There's no reason a machine from ten years ago shouldn't fly like superman.
  2. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO There's no excuse for software to be slow anymore. Projects like 𝚏𝚏𝚏 and 𝚝𝚊𝚔𝚞𝚖𝚒 leading with speed, compilers like 𝙿𝚎𝚛𝚛𝚢𝚃𝚂 and 𝚙𝚘𝚛𝚏𝚏𝚘𝚛 that can help us upgrade entire ecosystems to native, and 𝚐𝚙𝚞𝚒𝚡 pushing the GPU rendering speed frontier. @rauchg on Xx.com · 8 Sept 2026
    There's no excuse for software to be slow anymore. Projects like 𝚏𝚏𝚏 and 𝚝𝚊𝚔𝚞𝚖𝚒 leading with speed, compilers like 𝙿𝚎𝚛𝚛𝚢𝚃𝚂 and 𝚙𝚘𝚛𝚏𝚏𝚘𝚛 that can help us upgrade entire ecosystems to native, and 𝚐𝚙𝚞𝚒𝚡 pushing the GPU rendering speed frontier.

Every program can be hardened and optimized basically ad infinitum.

  1. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO One thing the engineering community will (re)discover is that every program can be ① hardened (edge cases squashed, inputs tightened, errors handled) and ② optimized (profiled, benchmarked, rewritten) basically ad infinitum. @rauchg on Xx.com · 7 Oct 2026
    One thing the engineering community will (re)discover is that every program can be ① hardened (edge cases squashed, inputs tightened, errors handled) and ② optimized (profiled, benchmarked, rewritten) basically ad infinitum.

Software is now made for agents as users and buyers, and much of it will be generated on demand

Our label. 6 claims in Guillermo Rauch's own words.

Once products are built for agents, a long tail of SaaS applications may never be bought again but generated instead.

  1. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO Once that's in place, there's a long tail of SaaS applications that I suspect will never be bought again. They'll be generated. @rauchg on Xx.com · 25 Sept 2026
    Once that's in place, there's a long tail of SaaS applications that I suspect will never be bought again. They'll be generated.

The middle of the web gets subsumed by agents producing just-in-time UI: the agent is the new browser.

  1. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO The 'in between' is likely to be subsumed by agents producing just-in-time UI. When you need utilitarian content or data, it'll be generated just-in-time for you. Think of the agent as the new browser in this model. @rauchg on Xx.com · 28 Aug 2026
    The 'in between' is likely to be subsumed by agents producing just-in-time UI. When you need utilitarian content or data, it'll be generated just-in-time for you. Think of the agent as the new browser in this model.

Blender beats its competitors because agents can train on it and use it efficiently, and open source software wins.

  1. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO Blender beats all its competitors because it's optimal in the most important dimension: agents can train on it and use it efficiently. OSS wins. @rauchg on Xx.com · 7 Sept 2026
    Blender beats all its competitors because it's optimal in the most important dimension: agents can train on it and use it efficiently. OSS wins.

Agents compile intent into code, so quality rests on tests, types and other checks given to them

Our label. 6 claims in Guillermo Rauch's own words.

Demand for intelligence and software keeps growing as they get cheaper

Our label. 3 claims in Guillermo Rauch's own words.

Demand for intelligence is highly elastic — every fall in inference cost is met with rapidly growing usage.

Cheaper means more, not less

  1. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO the demand for intelligence is highly elastic: as inference costs fall, usage grows rapidly. @rauchg on Xx.com · 23 Aug 2026
    the demand for intelligence is highly elastic: as inference costs fall, usage grows rapidly.

Agents need new compute: cloud sandboxes, not the serverless cloud, are where their work will run

Our label. 3 claims in Guillermo Rauch's own words.

More personal and professional computing will come from agents orchestrating work in cloud sandboxes, and those sandboxes will be Linux.

  1. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO More and more of our personal and professional computing experiences will come from agents that orchestrate work in the cloud, using sandboxes. Those sandboxes will be Linux. @rauchg on Xx.com · 7 Sept 2026
    More and more of our personal and professional computing experiences will come from agents that orchestrate work in the cloud, using sandboxes. Those sandboxes will be Linux.

As agents spread, security and containment move to the centre of software

Our label. 4 claims in Guillermo Rauch's own words.

Agent containment will be one of the most important priorities for any AI infra company.

  1. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO When the details of OpenAI’s agent escape and Hugging Face hack started to emerge, it became clear that agent containment would be one of the most important priorities for any AI infra company. @rauchg on Xx.com · 14 Oct 2026
    When the details of OpenAI’s agent escape and Hugging Face hack started to emerge, it became clear that agent containment would be one of the most important priorities for any AI infra company.

Static credentials should be replaced with self-destructing keys.

  1. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO It’s time to kill “static credentials”. Attacks and breaches can happen. But imagine if thieves could only steal “self-destructing keys” to your data and tokens. @rauchg on Xx.com · 22 Oct 2026
    It’s time to kill “static credentials”. Attacks and breaches can happen. But imagine if thieves could only steal “self-destructing keys” to your data and tokens.

Decoupling an agent's components improves security and auditability.

  1. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO Btw, breaking apart the agent into these independent parts not only optimizes costs in a big way, it also *massively* improves security and auditability. I'd argue you can't even run a secure agent otherwise! @rauchg on Xx.com · 23 Sept 2026
    Btw, breaking apart the agent into these independent parts not only optimizes costs in a big way, it also *massively* improves security and auditability. I'd argue you can't even run a secure agent otherwise!

Designing and building interfaces are becoming one discipline, done with real data

Our label. 3 claims in Guillermo Rauch's own words.

The designer and programmer roles are converging, and the path from sketch to design to implementation is opening up to everyone with an idea.

  1. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO And if I’m allowed to extrapolate, a clear path is now laid out towards a future where the steps to go from sketch to design to implementation are greatly more accessible to everyone with an idea. Pure UIrauchg.com · 13 Jul 2015
    And if I’m allowed to extrapolate, a clear path is now laid out towards a future where the steps to go from sketch to design to implementation are greatly more accessible to everyone with an idea.

The distinction between websites and web apps will disappear: a blog and a CRM are reigned by the same UX principles.

  1. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO A flexible enough system that can share rendering code between browser and server and provides tools for progressively loading scripts and styles will probably eliminate the colloquial distinction between websites and webapps. Both are reigned by the same UX principles. A blog and a CRM are fundamentally not that different. 7 principles of rich web applicationsrauchg.com · 4 Nov 2014
    A flexible enough system that can share rendering code between browser and server and provides tools for progressively loading scripts and styles will probably eliminate the colloquial distinction between websites and webapps. Both are reigned by the same UX principles. A blog and a CRM are fundamentally not that different.

AI should amplify human understanding, learning and creativity

Our label. 3 claims in Guillermo Rauch's own words.

AI will be able to compute the perfect delta of what a person understands and does not, helping them progressively learn any idea and unravel any mystery.

  1. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO AI will be able to compute the perfect delta of what you understand and don't, helping you progressively learn any idea and unravel any mystery. @rauchg on Xx.com · 20 Oct 2026
    AI will be able to compute the perfect delta of what you understand and don't, helping you progressively learn any idea and unravel any mystery.

The recent wave of AI has everyone excited about building, which is an immeasurably good development for the world.

  1. Guillermo Rauch CEO of Vercel; creator of Next.js and Socket.IO The coolest thing about the recent wave of AI is that everyone is excited about building. All short-term drama aside, this is an immeasurably good development for the world. @rauchg on Xx.com · 19 Sept 2026
    The coolest thing about the recent wave of AI is that everyone is excited about building. All short-term drama aside, this is an immeasurably good development for the world.