Cassie Kozyrkov
@decisionleader.bsky.social
CEO, AI Advisor, Keynote Speaker, fmr Chief Decision Scientist at Google
Newsletter: decision.substack.com
Newsletter: decision.substack.com
Gemini 3 is here and for the first time in years, Google is not chasing the frontier... it *is* the frontier.
In the last 48h, Google has leapfrogged all the other frontier models.
And that's not all:
bit.ly/quaesita_behemoths
In the last 48h, Google has leapfrogged all the other frontier models.
And that's not all:
bit.ly/quaesita_behemoths
November 20, 2025 at 12:18 PM
Gemini 3 is here and for the first time in years, Google is not chasing the frontier... it *is* the frontier.
In the last 48h, Google has leapfrogged all the other frontier models.
And that's not all:
bit.ly/quaesita_behemoths
In the last 48h, Google has leapfrogged all the other frontier models.
And that's not all:
bit.ly/quaesita_behemoths
Are you ready for chimeric talent, the workforce AI is quietly creating?
Imagine:
A marketer who codes.
An analyst who writes like a strategist.
An admin who automates workflows.
All powered by generative tools.
These chimeric workers can reconfigure their skillsets on demand.
Imagine:
A marketer who codes.
An analyst who writes like a strategist.
An admin who automates workflows.
All powered by generative tools.
These chimeric workers can reconfigure their skillsets on demand.
Chimeric Talent: The Workforce AI Is Quietly Creating
Leading when your employees become role shapeshifters
bit.ly
November 8, 2025 at 11:35 AM
Are you ready for chimeric talent, the workforce AI is quietly creating?
Imagine:
A marketer who codes.
An analyst who writes like a strategist.
An admin who automates workflows.
All powered by generative tools.
These chimeric workers can reconfigure their skillsets on demand.
Imagine:
A marketer who codes.
An analyst who writes like a strategist.
An admin who automates workflows.
All powered by generative tools.
These chimeric workers can reconfigure their skillsets on demand.
How many of these 9 #AI #headlines did you catch recently? 🧵
🔗 For the curious, my newsletter digs into each one: decision.substack.com
🗞️ 1 Nvidia becomes the world’s first $5 trillion company
🔗 For the curious, my newsletter digs into each one: decision.substack.com
🗞️ 1 Nvidia becomes the world’s first $5 trillion company
November 6, 2025 at 2:55 PM
How many of these 9 #AI #headlines did you catch recently? 🧵
🔗 For the curious, my newsletter digs into each one: decision.substack.com
🗞️ 1 Nvidia becomes the world’s first $5 trillion company
🔗 For the curious, my newsletter digs into each one: decision.substack.com
🗞️ 1 Nvidia becomes the world’s first $5 trillion company
1.2 MILLION of ChatGPT’s weekly users engage in chats that contain suicidal ideation. (Source: OpenAI)
OpenAI tells us:
GPT-5 shows 🟢safe🟢 behaviors in 91% of suicidal conversations.
Which also means:
GPT-5 shows 🔴unsafe🔴 behaviors in 9% of suicidal conversations.
👉 bit.ly/quaesita_therapist
OpenAI tells us:
GPT-5 shows 🟢safe🟢 behaviors in 91% of suicidal conversations.
Which also means:
GPT-5 shows 🔴unsafe🔴 behaviors in 9% of suicidal conversations.
👉 bit.ly/quaesita_therapist
November 5, 2025 at 10:57 PM
1.2 MILLION of ChatGPT’s weekly users engage in chats that contain suicidal ideation. (Source: OpenAI)
OpenAI tells us:
GPT-5 shows 🟢safe🟢 behaviors in 91% of suicidal conversations.
Which also means:
GPT-5 shows 🔴unsafe🔴 behaviors in 9% of suicidal conversations.
👉 bit.ly/quaesita_therapist
OpenAI tells us:
GPT-5 shows 🟢safe🟢 behaviors in 91% of suicidal conversations.
Which also means:
GPT-5 shows 🔴unsafe🔴 behaviors in 9% of suicidal conversations.
👉 bit.ly/quaesita_therapist
How many of these AI-powered scams are you familiar with?
🐡 Chatfishing
🐷 Pig butchering
📣 Voice cloning
Any stories to share that you or a friend experienced?
Not sure what any of these are about? Let me walk you through them in my newsletter: bit.ly/quaesita_3sc...
#aiscams #ai #security
🐡 Chatfishing
🐷 Pig butchering
📣 Voice cloning
Any stories to share that you or a friend experienced?
Not sure what any of these are about? Let me walk you through them in my newsletter: bit.ly/quaesita_3sc...
#aiscams #ai #security
3 New AI Scams You Need To Prepare For
A look at AI's darker side: chatfishing, pig butchering, and voice cloning
bit.ly
November 4, 2025 at 1:28 PM
How many of these AI-powered scams are you familiar with?
🐡 Chatfishing
🐷 Pig butchering
📣 Voice cloning
Any stories to share that you or a friend experienced?
Not sure what any of these are about? Let me walk you through them in my newsletter: bit.ly/quaesita_3sc...
#aiscams #ai #security
🐡 Chatfishing
🐷 Pig butchering
📣 Voice cloning
Any stories to share that you or a friend experienced?
Not sure what any of these are about? Let me walk you through them in my newsletter: bit.ly/quaesita_3sc...
#aiscams #ai #security
How many of these 14 #AI #headlines did you catch recently? Tell me the one you find most interesting in the comments!
🔗 For the curious, my newsletter digs into each one: decision.substack.com
🗞️ 1 DeepMind’s new Gemma model uncovers potent cancer therapy pathway
🔗 For the curious, my newsletter digs into each one: decision.substack.com
🗞️ 1 DeepMind’s new Gemma model uncovers potent cancer therapy pathway
October 23, 2025 at 2:01 PM
How many of these 14 #AI #headlines did you catch recently? Tell me the one you find most interesting in the comments!
🔗 For the curious, my newsletter digs into each one: decision.substack.com
🗞️ 1 DeepMind’s new Gemma model uncovers potent cancer therapy pathway
🔗 For the curious, my newsletter digs into each one: decision.substack.com
🗞️ 1 DeepMind’s new Gemma model uncovers potent cancer therapy pathway
A great decision maker isn’t someone who works harder—it’s someone who maximizes their return on effort.
👉 Have you signed up for my new course Decision-Making with ChatGPT yet?
Enroll: bit.ly/decisiongptc...
Promo codes and more info in thread...
👉 Have you signed up for my new course Decision-Making with ChatGPT yet?
Enroll: bit.ly/decisiongptc...
Promo codes and more info in thread...
October 22, 2025 at 6:30 PM
A great decision maker isn’t someone who works harder—it’s someone who maximizes their return on effort.
👉 Have you signed up for my new course Decision-Making with ChatGPT yet?
Enroll: bit.ly/decisiongptc...
Promo codes and more info in thread...
👉 Have you signed up for my new course Decision-Making with ChatGPT yet?
Enroll: bit.ly/decisiongptc...
Promo codes and more info in thread...
Surveys claim that up to 1 in 4 adults and 1 in 5 teens have had a “romantic” interaction with AI. What should we make of these numbers?
AI is becoming the new “practice partner.” But what happens when practice replaces reality?
🧵
AI is becoming the new “practice partner.” But what happens when practice replaces reality?
🧵
I Do, AI Do: Inside the World of Adult AI Romance and Digital Teenage Heartbreak
The state of human-machine relationships in 2025
bit.ly
October 22, 2025 at 2:06 PM
Surveys claim that up to 1 in 4 adults and 1 in 5 teens have had a “romantic” interaction with AI. What should we make of these numbers?
AI is becoming the new “practice partner.” But what happens when practice replaces reality?
🧵
AI is becoming the new “practice partner.” But what happens when practice replaces reality?
🧵
💡 Leaders can't expect AI-first teams if they aren't AI-first themselves.
Announcing my new course: Decision-Making with ChatGPT!
👉 Enroll: bit.ly/decisiongptc...
Most people expect AI to make decisions for them.
Most leaders think AI is someone else's job.
Wrong and wrong... 🧵
Announcing my new course: Decision-Making with ChatGPT!
👉 Enroll: bit.ly/decisiongptc...
Most people expect AI to make decisions for them.
Most leaders think AI is someone else's job.
Wrong and wrong... 🧵
October 18, 2025 at 2:52 PM
💡 Leaders can't expect AI-first teams if they aren't AI-first themselves.
Announcing my new course: Decision-Making with ChatGPT!
👉 Enroll: bit.ly/decisiongptc...
Most people expect AI to make decisions for them.
Most leaders think AI is someone else's job.
Wrong and wrong... 🧵
Announcing my new course: Decision-Making with ChatGPT!
👉 Enroll: bit.ly/decisiongptc...
Most people expect AI to make decisions for them.
Most leaders think AI is someone else's job.
Wrong and wrong... 🧵
Introducing my new live course:
👉 Decision-Making with ChatGPT: bit.ly/decisiongptc...
Most people use ChatGPT for busywork. I’ll show you how to use it for what actually matters: career moves, negotiations, strategic planning, and high-stakes decisions.
👉 Decision-Making with ChatGPT: bit.ly/decisiongptc...
Most people use ChatGPT for busywork. I’ll show you how to use it for what actually matters: career moves, negotiations, strategic planning, and high-stakes decisions.
October 17, 2025 at 9:30 PM
Introducing my new live course:
👉 Decision-Making with ChatGPT: bit.ly/decisiongptc...
Most people use ChatGPT for busywork. I’ll show you how to use it for what actually matters: career moves, negotiations, strategic planning, and high-stakes decisions.
👉 Decision-Making with ChatGPT: bit.ly/decisiongptc...
Most people use ChatGPT for busywork. I’ll show you how to use it for what actually matters: career moves, negotiations, strategic planning, and high-stakes decisions.
🤦 🤦 🤦 While 83% of companies plan to deploy AI agents, only 13% have the foundations to make them work. 🤦 🤦 🤦
The rest? They’re about to learn an expensive lesson about the difference between ambition and capability.
Find out what separates the prepared: bit.ly/quaesita_infradebt
The rest? They’re about to learn an expensive lesson about the difference between ambition and capability.
Find out what separates the prepared: bit.ly/quaesita_infradebt
October 17, 2025 at 1:11 PM
🤦 🤦 🤦 While 83% of companies plan to deploy AI agents, only 13% have the foundations to make them work. 🤦 🤦 🤦
The rest? They’re about to learn an expensive lesson about the difference between ambition and capability.
Find out what separates the prepared: bit.ly/quaesita_infradebt
The rest? They’re about to learn an expensive lesson about the difference between ambition and capability.
Find out what separates the prepared: bit.ly/quaesita_infradebt
Amid the rise of unsanctioned shadow AI, something new is forming: chimeric talent.
This isn’t the problem of #workslop: the employee who can’t use AI well, who doesn’t verify outputs, and floods systems with polished junk that creates work for everyone else.
This is the opposite problem... 🧵
This isn’t the problem of #workslop: the employee who can’t use AI well, who doesn’t verify outputs, and floods systems with polished junk that creates work for everyone else.
This is the opposite problem... 🧵
October 14, 2025 at 2:10 PM
Amid the rise of unsanctioned shadow AI, something new is forming: chimeric talent.
This isn’t the problem of #workslop: the employee who can’t use AI well, who doesn’t verify outputs, and floods systems with polished junk that creates work for everyone else.
This is the opposite problem... 🧵
This isn’t the problem of #workslop: the employee who can’t use AI well, who doesn’t verify outputs, and floods systems with polished junk that creates work for everyone else.
This is the opposite problem... 🧵
How many of these 18 #AI #headlines did you catch recently? 🧵 Give a like to each one that's new for you and tell me the one you find most interesting in the comments 👇
For the curious, my newsletter digs into each one:
bit.ly/quaesita_chi...
For the curious, my newsletter digs into each one:
bit.ly/quaesita_chi...
Chimeric Talent: The Workforce AI Is Quietly Creating
Leading when your employees become role shapeshifters
bit.ly
October 13, 2025 at 2:55 PM
How many of these 18 #AI #headlines did you catch recently? 🧵 Give a like to each one that's new for you and tell me the one you find most interesting in the comments 👇
For the curious, my newsletter digs into each one:
bit.ly/quaesita_chi...
For the curious, my newsletter digs into each one:
bit.ly/quaesita_chi...
Are you ready for chimeric talent, the workforce AI is quietly creating?
Imagine:
A marketer who codes.
An analyst who writes like a strategist.
An admin who automates workflows.
All powered by generative tools.
These chimeric workers can reconfigure their skillsets on demand.
Imagine:
A marketer who codes.
An analyst who writes like a strategist.
An admin who automates workflows.
All powered by generative tools.
These chimeric workers can reconfigure their skillsets on demand.
October 8, 2025 at 2:34 PM
Are you ready for chimeric talent, the workforce AI is quietly creating?
Imagine:
A marketer who codes.
An analyst who writes like a strategist.
An admin who automates workflows.
All powered by generative tools.
These chimeric workers can reconfigure their skillsets on demand.
Imagine:
A marketer who codes.
An analyst who writes like a strategist.
An admin who automates workflows.
All powered by generative tools.
These chimeric workers can reconfigure their skillsets on demand.
🍏 🍊 Did you know: NVIDIA is worth more than all of Big Pharma. Over the next 10 years, which one will have contributed more (in your opinion) to enabling advances in human health: NVIDIA or Big Pharma?
Source: www.linkedin.com/feed/update/...
Source: www.linkedin.com/feed/update/...
October 6, 2025 at 3:02 PM
🍏 🍊 Did you know: NVIDIA is worth more than all of Big Pharma. Over the next 10 years, which one will have contributed more (in your opinion) to enabling advances in human health: NVIDIA or Big Pharma?
Source: www.linkedin.com/feed/update/...
Source: www.linkedin.com/feed/update/...
How many of these 7 #AI #headlines did you catch recently? Share your score below 👇
For the curious, my newsletter decison.substack.com digs into each one.
1. Claude Sonnet 4.5 is here to work for 30 hours straight on complex coding tasks
2. OpenAI debuts video generator Sora 2
For the curious, my newsletter decison.substack.com digs into each one.
1. Claude Sonnet 4.5 is here to work for 30 hours straight on complex coding tasks
2. OpenAI debuts video generator Sora 2
October 4, 2025 at 7:24 PM
How many of these 7 #AI #headlines did you catch recently? Share your score below 👇
For the curious, my newsletter decison.substack.com digs into each one.
1. Claude Sonnet 4.5 is here to work for 30 hours straight on complex coding tasks
2. OpenAI debuts video generator Sora 2
For the curious, my newsletter decison.substack.com digs into each one.
1. Claude Sonnet 4.5 is here to work for 30 hours straight on complex coding tasks
2. OpenAI debuts video generator Sora 2
I have a new favorite word: workslop!
Workslop is AI generated work content that masquerades as good work, but lacks the substance to meaningfully advance a given task.
In a survey of 1,150 US-based full-time workers, 40% reported having received workslop in the last month. Want more stats? 👇
Workslop is AI generated work content that masquerades as good work, but lacks the substance to meaningfully advance a given task.
In a survey of 1,150 US-based full-time workers, 40% reported having received workslop in the last month. Want more stats? 👇
October 1, 2025 at 12:23 PM
I have a new favorite word: workslop!
Workslop is AI generated work content that masquerades as good work, but lacks the substance to meaningfully advance a given task.
In a survey of 1,150 US-based full-time workers, 40% reported having received workslop in the last month. Want more stats? 👇
Workslop is AI generated work content that masquerades as good work, but lacks the substance to meaningfully advance a given task.
In a survey of 1,150 US-based full-time workers, 40% reported having received workslop in the last month. Want more stats? 👇
How many of these 15 #AI #headlines did you catch recently?
12 of them are serious and 3 are goofy - read more about them in my newsletter at decision.substack.com. The illustration to this post was generated with # 15.
12 of them are serious and 3 are goofy - read more about them in my newsletter at decision.substack.com. The illustration to this post was generated with # 15.
September 25, 2025 at 7:17 PM
How many of these 15 #AI #headlines did you catch recently?
12 of them are serious and 3 are goofy - read more about them in my newsletter at decision.substack.com. The illustration to this post was generated with # 15.
12 of them are serious and 3 are goofy - read more about them in my newsletter at decision.substack.com. The illustration to this post was generated with # 15.
Which of the following US States has the highest per-capita ChatGPT use? Florida, California, DC, or Utah?
Hint: it's not California...
Answer in the link, along with a bunch of other info from two studies that analyzed over a million real ChatGPT and Claude conversations:
bit.ly/quaesita_cha...
Hint: it's not California...
Answer in the link, along with a bunch of other info from two studies that analyzed over a million real ChatGPT and Claude conversations:
bit.ly/quaesita_cha...
September 24, 2025 at 1:38 PM
Which of the following US States has the highest per-capita ChatGPT use? Florida, California, DC, or Utah?
Hint: it's not California...
Answer in the link, along with a bunch of other info from two studies that analyzed over a million real ChatGPT and Claude conversations:
bit.ly/quaesita_cha...
Hint: it's not California...
Answer in the link, along with a bunch of other info from two studies that analyzed over a million real ChatGPT and Claude conversations:
bit.ly/quaesita_cha...
Hey leaders struggling to get value out of GenAI, just checking you know this exists?
The Leader's Playbook for Measuring GenAI: bit.ly/quaesita_met...
If you find it useful, don't forget to pass it on as a thank you.
The Leader's Playbook for Measuring GenAI: bit.ly/quaesita_met...
If you find it useful, don't forget to pass it on as a thank you.
The Leader’s Playbook for GenAI Metrics
How to measure what actually matters in a generative AI project
bit.ly
September 21, 2025 at 3:11 PM
Hey leaders struggling to get value out of GenAI, just checking you know this exists?
The Leader's Playbook for Measuring GenAI: bit.ly/quaesita_met...
If you find it useful, don't forget to pass it on as a thank you.
The Leader's Playbook for Measuring GenAI: bit.ly/quaesita_met...
If you find it useful, don't forget to pass it on as a thank you.
Would you take a practical course on decision-making with ChatGPT with me?
I'm exploring interest and would love to know if it's something you might be into.
Let me know here (and get ahead of the waitlist if there's one):
bit.ly/3hdmchatgpt
Please share with anyone who might be interested!
I'm exploring interest and would love to know if it's something you might be into.
Let me know here (and get ahead of the waitlist if there's one):
bit.ly/3hdmchatgpt
Please share with anyone who might be interested!
September 20, 2025 at 3:35 PM
Would you take a practical course on decision-making with ChatGPT with me?
I'm exploring interest and would love to know if it's something you might be into.
Let me know here (and get ahead of the waitlist if there's one):
bit.ly/3hdmchatgpt
Please share with anyone who might be interested!
I'm exploring interest and would love to know if it's something you might be into.
Let me know here (and get ahead of the waitlist if there's one):
bit.ly/3hdmchatgpt
Please share with anyone who might be interested!
Today’s newsletter tackles #genai questions leaders should know:
🤔 What makes managing GenAI harder than managing human creatives?
🤔 How do you separate real value from polished inefficiency?
🤔 Why does alignment crumble when “good” is subjective?
My answers → bit.ly/quaesita_gen...
Hit ♻️
🤔 What makes managing GenAI harder than managing human creatives?
🤔 How do you separate real value from polished inefficiency?
🤔 Why does alignment crumble when “good” is subjective?
My answers → bit.ly/quaesita_gen...
Hit ♻️
September 10, 2025 at 12:44 PM
Today’s newsletter tackles #genai questions leaders should know:
🤔 What makes managing GenAI harder than managing human creatives?
🤔 How do you separate real value from polished inefficiency?
🤔 Why does alignment crumble when “good” is subjective?
My answers → bit.ly/quaesita_gen...
Hit ♻️
🤔 What makes managing GenAI harder than managing human creatives?
🤔 How do you separate real value from polished inefficiency?
🤔 Why does alignment crumble when “good” is subjective?
My answers → bit.ly/quaesita_gen...
Hit ♻️
We don’t need another polarizing issue.
We don’t need another superstition dressed up as philosophy.
We don’t need people falling for SCAI.
We don’t need another superstition dressed up as philosophy.
We don’t need people falling for SCAI.
September 6, 2025 at 9:34 PM
We don’t need another polarizing issue.
We don’t need another superstition dressed up as philosophy.
We don’t need people falling for SCAI.
We don’t need another superstition dressed up as philosophy.
We don’t need people falling for SCAI.
95% of organizations report no measurable ROI from GenAI.
MIT Media Lab / NANDA’s new report (300+ initiatives, 50+ org interviews, 150+ leaders surveyed) finds:
🧵
MIT Media Lab / NANDA’s new report (300+ initiatives, 50+ org interviews, 150+ leaders surveyed) finds:
🧵
September 5, 2025 at 10:35 PM
95% of organizations report no measurable ROI from GenAI.
MIT Media Lab / NANDA’s new report (300+ initiatives, 50+ org interviews, 150+ leaders surveyed) finds:
🧵
MIT Media Lab / NANDA’s new report (300+ initiatives, 50+ org interviews, 150+ leaders surveyed) finds:
🧵
AI is getting cheaper, faster... yet your costs will still go up.
Per-call prices are falling. But in real deployments, multi-agent workflows plan, search, analyze, and verify -- often looping across tools. That means more calls, more context, more activity. 📈
bit.ly/quaesita_gpt...
Per-call prices are falling. But in real deployments, multi-agent workflows plan, search, analyze, and verify -- often looping across tools. That means more calls, more context, more activity. 📈
bit.ly/quaesita_gpt...
August 21, 2025 at 11:47 AM
AI is getting cheaper, faster... yet your costs will still go up.
Per-call prices are falling. But in real deployments, multi-agent workflows plan, search, analyze, and verify -- often looping across tools. That means more calls, more context, more activity. 📈
bit.ly/quaesita_gpt...
Per-call prices are falling. But in real deployments, multi-agent workflows plan, search, analyze, and verify -- often looping across tools. That means more calls, more context, more activity. 📈
bit.ly/quaesita_gpt...