Harry Surden
@harrysurden.bsky.social
Professor, University of Colorado Law School •
Associate Director Stanford CodeX Center for Legal Informatics.
Research: Artificial Intelligence and Law
Associate Director Stanford CodeX Center for Legal Informatics.
Research: Artificial Intelligence and Law
I am very impressed with @Google's new Gemini 3 AI model which was released yesterday.
From my early testing, Gemini 3 seems like it is the best frontier AI model out there, besting GPT-5 from @OpenAI and Claude from @Anthropic on my private evaluations.
gemini.google.com/app
From my early testing, Gemini 3 seems like it is the best frontier AI model out there, besting GPT-5 from @OpenAI and Claude from @Anthropic on my private evaluations.
gemini.google.com/app
Google Gemini
Meet Gemini, Google’s AI assistant. Get help with writing, planning, brainstorming, and more. Experience the power of generative AI.
gemini.google.com
November 19, 2025 at 3:21 PM
I am very impressed with @Google's new Gemini 3 AI model which was released yesterday.
From my early testing, Gemini 3 seems like it is the best frontier AI model out there, besting GPT-5 from @OpenAI and Claude from @Anthropic on my private evaluations.
gemini.google.com/app
From my early testing, Gemini 3 seems like it is the best frontier AI model out there, besting GPT-5 from @OpenAI and Claude from @Anthropic on my private evaluations.
gemini.google.com/app
Reposted by Harry Surden
In celebration of Stanford's Codex Center's 20 year anniversary, Stanford Law School produced this retrospective video about the center's founding and work.
I am grateful to Roland Vogl, Mike Genesereth, Megan Ma, and the rest of the amazing Community.
www.youtube.com/watch?v=Bc4V...
I am grateful to Roland Vogl, Mike Genesereth, Megan Ma, and the rest of the amazing Community.
www.youtube.com/watch?v=Bc4V...
April 15, 2025 at 9:51 PM
In celebration of Stanford's Codex Center's 20 year anniversary, Stanford Law School produced this retrospective video about the center's founding and work.
I am grateful to Roland Vogl, Mike Genesereth, Megan Ma, and the rest of the amazing Community.
www.youtube.com/watch?v=Bc4V...
I am grateful to Roland Vogl, Mike Genesereth, Megan Ma, and the rest of the amazing Community.
www.youtube.com/watch?v=Bc4V...
In celebration of Stanford's Codex Center's 20 year anniversary, Stanford Law School produced this retrospective video about the center's founding and work.
I am grateful to Roland Vogl, Mike Genesereth, Megan Ma, and the rest of the amazing Community.
www.youtube.com/watch?v=Bc4V...
I am grateful to Roland Vogl, Mike Genesereth, Megan Ma, and the rest of the amazing Community.
www.youtube.com/watch?v=Bc4V...
April 15, 2025 at 9:51 PM
In celebration of Stanford's Codex Center's 20 year anniversary, Stanford Law School produced this retrospective video about the center's founding and work.
I am grateful to Roland Vogl, Mike Genesereth, Megan Ma, and the rest of the amazing Community.
www.youtube.com/watch?v=Bc4V...
I am grateful to Roland Vogl, Mike Genesereth, Megan Ma, and the rest of the amazing Community.
www.youtube.com/watch?v=Bc4V...
My keynote address on
"Artificial Intelligence, Autonomous Systems, and Law"
from last week's Silicon Flatirons Conference at the University of Colorado law school, is now available online for those interested.
youtu.be/OX7hfzBT40c?...
"Artificial Intelligence, Autonomous Systems, and Law"
from last week's Silicon Flatirons Conference at the University of Colorado law school, is now available online for those interested.
youtu.be/OX7hfzBT40c?...
Artificial Intelligence, Autonomous Systems, and Law | Welcome and Keynote
YouTube video by Silicon Flatirons
youtu.be
March 11, 2025 at 3:09 PM
My keynote address on
"Artificial Intelligence, Autonomous Systems, and Law"
from last week's Silicon Flatirons Conference at the University of Colorado law school, is now available online for those interested.
youtu.be/OX7hfzBT40c?...
"Artificial Intelligence, Autonomous Systems, and Law"
from last week's Silicon Flatirons Conference at the University of Colorado law school, is now available online for those interested.
youtu.be/OX7hfzBT40c?...
Join us this Friday March 7 for a conference on
"Autonomous AI and Law"
This conference explores the novel law of emerging AI agents like @OpenAI Operator that decide their own actions based on high-level goals.
cc:@ColoLaw @SiliconFlatiron
siliconflatirons.org/events/2025-...
"Autonomous AI and Law"
This conference explores the novel law of emerging AI agents like @OpenAI Operator that decide their own actions based on high-level goals.
cc:@ColoLaw @SiliconFlatiron
siliconflatirons.org/events/2025-...
March 3, 2025 at 4:44 PM
Join us this Friday March 7 for a conference on
"Autonomous AI and Law"
This conference explores the novel law of emerging AI agents like @OpenAI Operator that decide their own actions based on high-level goals.
cc:@ColoLaw @SiliconFlatiron
siliconflatirons.org/events/2025-...
"Autonomous AI and Law"
This conference explores the novel law of emerging AI agents like @OpenAI Operator that decide their own actions based on high-level goals.
cc:@ColoLaw @SiliconFlatiron
siliconflatirons.org/events/2025-...
@OpenAI released their latest AI model GPT-4.5 yesterday (a research preview).
So far, I am *not* very impressed.
It definitely doesn't seem meaningfully "smarter" than GPT-4 or other earlier frontier models on my internal tests, despite being a larger model.
openai.com/index/introd...
So far, I am *not* very impressed.
It definitely doesn't seem meaningfully "smarter" than GPT-4 or other earlier frontier models on my internal tests, despite being a larger model.
openai.com/index/introd...
February 28, 2025 at 4:23 PM
@OpenAI released their latest AI model GPT-4.5 yesterday (a research preview).
So far, I am *not* very impressed.
It definitely doesn't seem meaningfully "smarter" than GPT-4 or other earlier frontier models on my internal tests, despite being a larger model.
openai.com/index/introd...
So far, I am *not* very impressed.
It definitely doesn't seem meaningfully "smarter" than GPT-4 or other earlier frontier models on my internal tests, despite being a larger model.
openai.com/index/introd...
Reposted by Harry Surden
New paper: Simulating Time With Square-Root Space
people.csail.mit.edu/rrw/time-vs-...
It's still hard for me to believe it myself, but I seem to have shown that TIME[t] is contained in SPACE[sqrt{t log t}].
To appear in STOC. Comments are very welcome!
people.csail.mit.edu/rrw/time-vs-...
It's still hard for me to believe it myself, but I seem to have shown that TIME[t] is contained in SPACE[sqrt{t log t}].
To appear in STOC. Comments are very welcome!
people.csail.mit.edu
February 21, 2025 at 10:19 PM
New paper: Simulating Time With Square-Root Space
people.csail.mit.edu/rrw/time-vs-...
It's still hard for me to believe it myself, but I seem to have shown that TIME[t] is contained in SPACE[sqrt{t log t}].
To appear in STOC. Comments are very welcome!
people.csail.mit.edu/rrw/time-vs-...
It's still hard for me to believe it myself, but I seem to have shown that TIME[t] is contained in SPACE[sqrt{t log t}].
To appear in STOC. Comments are very welcome!
Reposted by Harry Surden
Please join me on March 7, 2025 for a conference I am hosting on
"Artificial Intelligence, Autonomous Systems, and Law"
at Colorado Law's Silicon Flatirons Center.
siliconflatirons.org/events/2025-...
This is among the first law school conferences studying advances in autonomous AI agents.
"Artificial Intelligence, Autonomous Systems, and Law"
at Colorado Law's Silicon Flatirons Center.
siliconflatirons.org/events/2025-...
This is among the first law school conferences studying advances in autonomous AI agents.
February 21, 2025 at 5:55 PM
Please join me on March 7, 2025 for a conference I am hosting on
"Artificial Intelligence, Autonomous Systems, and Law"
at Colorado Law's Silicon Flatirons Center.
siliconflatirons.org/events/2025-...
This is among the first law school conferences studying advances in autonomous AI agents.
"Artificial Intelligence, Autonomous Systems, and Law"
at Colorado Law's Silicon Flatirons Center.
siliconflatirons.org/events/2025-...
This is among the first law school conferences studying advances in autonomous AI agents.
Please join me on March 7, 2025 for a conference I am hosting on
"Artificial Intelligence, Autonomous Systems, and Law"
at Colorado Law's Silicon Flatirons Center.
siliconflatirons.org/events/2025-...
This is among the first law school conferences studying advances in autonomous AI agents.
"Artificial Intelligence, Autonomous Systems, and Law"
at Colorado Law's Silicon Flatirons Center.
siliconflatirons.org/events/2025-...
This is among the first law school conferences studying advances in autonomous AI agents.
February 21, 2025 at 5:55 PM
Please join me on March 7, 2025 for a conference I am hosting on
"Artificial Intelligence, Autonomous Systems, and Law"
at Colorado Law's Silicon Flatirons Center.
siliconflatirons.org/events/2025-...
This is among the first law school conferences studying advances in autonomous AI agents.
"Artificial Intelligence, Autonomous Systems, and Law"
at Colorado Law's Silicon Flatirons Center.
siliconflatirons.org/events/2025-...
This is among the first law school conferences studying advances in autonomous AI agents.
This is a great talk by the always terrific Stanford University Professor Erik Brynjolfsson on the impact of artificial intelligence on the workforce at the 2025 Paris AI Action Summit.
youtu.be/6HDjVncL5Go?...
youtu.be/6HDjVncL5Go?...
AI, Science and Society Conference - AI ACTION SUMMIT - DAY 2
YouTube video by IP Paris
youtu.be
February 8, 2025 at 3:54 PM
This is a great talk by the always terrific Stanford University Professor Erik Brynjolfsson on the impact of artificial intelligence on the workforce at the 2025 Paris AI Action Summit.
youtu.be/6HDjVncL5Go?...
youtu.be/6HDjVncL5Go?...
Reposted by Harry Surden
Join us this Sunday 2/2 and Monday 2/3 for our Silicon Flatirons flagship conference at University of Colorado Law School on
"Examining The New Federalism in Technology Policy"
I will be on a panel on AI regulation at the state level.
siliconflatirons.org/events/2025-...
"Examining The New Federalism in Technology Policy"
I will be on a panel on AI regulation at the state level.
siliconflatirons.org/events/2025-...
January 30, 2025 at 6:18 PM
Join us this Sunday 2/2 and Monday 2/3 for our Silicon Flatirons flagship conference at University of Colorado Law School on
"Examining The New Federalism in Technology Policy"
I will be on a panel on AI regulation at the state level.
siliconflatirons.org/events/2025-...
"Examining The New Federalism in Technology Policy"
I will be on a panel on AI regulation at the state level.
siliconflatirons.org/events/2025-...
Join us this Sunday 2/2 and Monday 2/3 for our Silicon Flatirons flagship conference at University of Colorado Law School on
"Examining The New Federalism in Technology Policy"
I will be on a panel on AI regulation at the state level.
siliconflatirons.org/events/2025-...
"Examining The New Federalism in Technology Policy"
I will be on a panel on AI regulation at the state level.
siliconflatirons.org/events/2025-...
January 30, 2025 at 6:18 PM
Join us this Sunday 2/2 and Monday 2/3 for our Silicon Flatirons flagship conference at University of Colorado Law School on
"Examining The New Federalism in Technology Policy"
I will be on a panel on AI regulation at the state level.
siliconflatirons.org/events/2025-...
"Examining The New Federalism in Technology Policy"
I will be on a panel on AI regulation at the state level.
siliconflatirons.org/events/2025-...
Reposted by Harry Surden
Reposted by Harry Surden
I created a new AI seminar class, and I thought I'd highlight a few readings from it each week.
First week, and two great overviews of the topic:
Artificial Intelligence and Law: An Overview by @harrysurden.bsky.social
Paper here: scholar.law.colorado.edu/faculty-arti...
and...
First week, and two great overviews of the topic:
Artificial Intelligence and Law: An Overview by @harrysurden.bsky.social
Paper here: scholar.law.colorado.edu/faculty-arti...
and...
Artificial Intelligence and Law: An Overview
Much has been written recently about artificial intelligence (AI) and law. But what is AI, and what is its relation to the practice and administration of law? This article addresses those questions by...
scholar.law.colorado.edu
January 13, 2025 at 3:17 PM
I created a new AI seminar class, and I thought I'd highlight a few readings from it each week.
First week, and two great overviews of the topic:
Artificial Intelligence and Law: An Overview by @harrysurden.bsky.social
Paper here: scholar.law.colorado.edu/faculty-arti...
and...
First week, and two great overviews of the topic:
Artificial Intelligence and Law: An Overview by @harrysurden.bsky.social
Paper here: scholar.law.colorado.edu/faculty-arti...
and...
Reposted by Harry Surden
There has been a definite shift in recent weeks where insiders in the various AI labs are suggesting that very intelligent AIs are coming very soon.
I wrote a bit about why this might be happening and what we can take away from their apparent confidence. www.oneusefulthing.org/p/prophecies...
I wrote a bit about why this might be happening and what we can take away from their apparent confidence. www.oneusefulthing.org/p/prophecies...
Prophecies of the Flood
What to make of the statements of the AI labs?
www.oneusefulthing.org
January 10, 2025 at 3:04 PM
There has been a definite shift in recent weeks where insiders in the various AI labs are suggesting that very intelligent AIs are coming very soon.
I wrote a bit about why this might be happening and what we can take away from their apparent confidence. www.oneusefulthing.org/p/prophecies...
I wrote a bit about why this might be happening and what we can take away from their apparent confidence. www.oneusefulthing.org/p/prophecies...
Reposted by Harry Surden
"The key is learning to harness AI’s impressive capabilities while being clear-eyed about its limitations and the persistent necessity of human judgment in interpreting our foundational legal document," write Andrew Coan and @harrysurden.bsky.social.
AI and Constitutional Interpretation: The Law of Conservation of Judgment
Large language models cannot eliminate the need for human judgement in constitutional law.
www.lawfaremedia.org
December 16, 2024 at 4:36 PM
"The key is learning to harness AI’s impressive capabilities while being clear-eyed about its limitations and the persistent necessity of human judgment in interpreting our foundational legal document," write Andrew Coan and @harrysurden.bsky.social.
Interesting interview by @sama Sam Altman with former Microsoft research head Craig Mundie.
Mundie claims that a fusion startup they're invested in will produce useful fusion energy next year. I am skeptical, but who knows. Would be significant if true.
www.youtube.com/watch?v=Z246...
Mundie claims that a fusion startup they're invested in will produce useful fusion energy next year. I am skeptical, but who knows. Would be significant if true.
www.youtube.com/watch?v=Z246...
Craig Mundie with Sam Altman | Artificial Intelligence, Hope, and the Human Spirit
YouTube video by Commonwealth Club World Affairs (CCWA)
www.youtube.com
December 13, 2024 at 4:23 PM
Interesting interview by @sama Sam Altman with former Microsoft research head Craig Mundie.
Mundie claims that a fusion startup they're invested in will produce useful fusion energy next year. I am skeptical, but who knows. Would be significant if true.
www.youtube.com/watch?v=Z246...
Mundie claims that a fusion startup they're invested in will produce useful fusion energy next year. I am skeptical, but who knows. Would be significant if true.
www.youtube.com/watch?v=Z246...
@Google has released Gemini 2.0 Flash today. So far, I am not impressed in my testing suite. Its not as good as GPT-4o or Claude.
However, "Flash" is the less capable turbo version of Gemini 2.0, and I expect the full version of Gemini 2 to be quite good when it is released.
However, "Flash" is the less capable turbo version of Gemini 2.0, and I expect the full version of Gemini 2 to be quite good when it is released.
Introducing Gemini 2.0: our new AI model for the agentic era
Today, we’re announcing Gemini 2.0, our most capable AI model yet.
blog.google
December 11, 2024 at 4:14 PM
@Google has released Gemini 2.0 Flash today. So far, I am not impressed in my testing suite. Its not as good as GPT-4o or Claude.
However, "Flash" is the less capable turbo version of Gemini 2.0, and I expect the full version of Gemini 2 to be quite good when it is released.
However, "Flash" is the less capable turbo version of Gemini 2.0, and I expect the full version of Gemini 2 to be quite good when it is released.
@OpenAI released its SORA video generation model today and it's quite impressive
sora.com/explore/feat...
sora.com/explore/feat...
December 9, 2024 at 7:18 PM
@OpenAI released its SORA video generation model today and it's quite impressive
sora.com/explore/feat...
sora.com/explore/feat...
Interesting conversation with @OpenAI's Noam Brown @polynoamial on the new o1 AI model
and the current state of AI and test-time/inference compute.
www.youtube.com/watch?v=OoL8...
and the current state of AI and test-time/inference compute.
www.youtube.com/watch?v=OoL8...
OpenAI's Noam Brown Unpacks the Full Release of o1 and the Path to AGI
YouTube video by Unsupervised Learning: Redpoint's AI Podcast
www.youtube.com
December 9, 2024 at 7:15 PM
Interesting conversation with @OpenAI's Noam Brown @polynoamial on the new o1 AI model
and the current state of AI and test-time/inference compute.
www.youtube.com/watch?v=OoL8...
and the current state of AI and test-time/inference compute.
www.youtube.com/watch?v=OoL8...
I am quite impressed with @Google's Gemini Experimental 12-06 model, released today.
This is the first version of Gemini that I consider fully on par with (or perhaps exceeding) GPT-4o and Claude Claude 3.5 Sonnet, in my private AI capability test suite.
cc:JeffDean
This is the first version of Gemini that I consider fully on par with (or perhaps exceeding) GPT-4o and Claude Claude 3.5 Sonnet, in my private AI capability test suite.
cc:JeffDean
December 6, 2024 at 9:24 PM
I am quite impressed with @Google's Gemini Experimental 12-06 model, released today.
This is the first version of Gemini that I consider fully on par with (or perhaps exceeding) GPT-4o and Claude Claude 3.5 Sonnet, in my private AI capability test suite.
cc:JeffDean
This is the first version of Gemini that I consider fully on par with (or perhaps exceeding) GPT-4o and Claude Claude 3.5 Sonnet, in my private AI capability test suite.
cc:JeffDean
Reposted by Harry Surden
Coan & Surden on AI and Constitutional Interpretation, lsolum.typepad.com/legaltheory/...
Coan & Surden on AI and Constitutional Interpretation
Andrew Coan (University of Arizona, James E. Rogers College of Law) & Harry Surden (University of Colorado Law School) have posted Artificial Intelligence and Constitutional Interpretation on SSRN. He...
lsolum.typepad.com
November 14, 2024 at 12:42 PM
Coan & Surden on AI and Constitutional Interpretation, lsolum.typepad.com/legaltheory/...
Excellent lecture by Prof. @JustinWolfers on Artificial Intelligence and the Economy
www.youtube.com/watch?v=jIL5...
www.youtube.com/watch?v=jIL5...
AI Will Cause Jobs to Evolve, Will You Be Able to Evolve With It?│Justin Wolfers
YouTube video by World Knowledge Forum
www.youtube.com
December 2, 2024 at 4:53 PM
Excellent lecture by Prof. @JustinWolfers on Artificial Intelligence and the Economy
www.youtube.com/watch?v=jIL5...
www.youtube.com/watch?v=jIL5...
Reposted by Harry Surden
I'm recruiting 1-2 PhD students to work with me at the University of Colorado Boulder! Looking for creative students with interests in #NLP and #CulturalAnalytics.
Boulder is a lovely college town 30 minutes from Denver and 1 hour from Rocky Mountain National Park 😎
Apply by December 15th!
Boulder is a lovely college town 30 minutes from Denver and 1 hour from Rocky Mountain National Park 😎
Apply by December 15th!
November 19, 2024 at 10:38 AM
I'm recruiting 1-2 PhD students to work with me at the University of Colorado Boulder! Looking for creative students with interests in #NLP and #CulturalAnalytics.
Boulder is a lovely college town 30 minutes from Denver and 1 hour from Rocky Mountain National Park 😎
Apply by December 15th!
Boulder is a lovely college town 30 minutes from Denver and 1 hour from Rocky Mountain National Park 😎
Apply by December 15th!
Excellent Lecture by @UCBerkeley Prof. Gabe Zucman on how the extremely wealthy avoid paying their fair share of taxes compared to typical tax payers, and how to fix it
www.youtube.com/watch?v=NM61...
www.youtube.com/watch?v=NM61...
A New Tax System for a Globalized World│Gabriel Zucman (UC Berkeley, Associate Professor)
YouTube video by World Knowledge Forum
www.youtube.com
November 24, 2024 at 5:54 PM
Excellent Lecture by @UCBerkeley Prof. Gabe Zucman on how the extremely wealthy avoid paying their fair share of taxes compared to typical tax payers, and how to fix it
www.youtube.com/watch?v=NM61...
www.youtube.com/watch?v=NM61...