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Mark Sullivan

Mark Sullivan

Fast Company

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AI anxiety is turning volatile

After a Molotov attack on Sam Altman’s home and threats against OpenAI, a fringe but intensifying strain of AI fear is spilling into the real world.

yesterday 0

Fast Company

Mark Sullivan

Is Mythos a blessing or a curse for cybersecurity? It depends on whom you ask

Industry experts weigh in on Anthropic’s Claude Mythos—a powerful new AI model that can uncover long-hidden bugs and turn them into exploits—and...

11.04.2026 10

Fast Company

Mark Sullivan

Did Anthropic just soft-launch the scariest AI model yet?

The company’s Claude Mythos Preview model is remarkably good at harming or hijacking other systems. Anthropic’s first application of the model is...

09.04.2026 9

Fast Company

Mark Sullivan

Anthropic will use its biggest, baddest AI model to protect against cyberattacks

The company says it found strong cyberdefense skills in its forthcoming ‘Mythos’ model, which it will lend to the industry research effort.

07.04.2026 10

Fast Company

Mark Sullivan

Y Combinator’s CEO says he ships 37,000 lines of AI code per day. A developer looked under the hood

After Garry Tan touted his agentic coding output, a developer found inefficiencies, code bloat, and rookie mistakes lurking in production.

02.04.2026 20

Fast Company

Mark Sullivan

OpenAI’s gigantic new funding round renews fears about the company’s profitability and cash burn

The stakes of Big AI’s bet that it will transform business and personal life seem to be growing by leaps and bounds.

02.04.2026 4

Fast Company

Mark Sullivan

Apple at 50: The tech giant’s best, worst, and weirdest ideas

Over five decades, Apple has built some of the most influential tech ever made—and some genuinely strange flops. These are the highs, lows, and...

31.03.2026 20

Fast Company

Mark Sullivan

4 AI chatbots tried to fact-check Rubio on Iran. They couldn’t agree

A simple question about Trump’s Iran war goals produced four different answers from Grok, Claude, Gemini, and ChatGPT.

31.03.2026 20

Fast Company

Mark Sullivan

A top AI researcher explains the limitations of current models

François Chollet talks about his deceptively simple new benchmark test for AI models.

26.03.2026 5

Fast Company

Mark Sullivan

This new benchmark could expose AI’s biggest weakness

ARC-AGI-3 tests whether models can reason through novel problems, not just recall patterns, a task even top systems still struggle to do.

25.03.2026 10

Fast Company

Mark Sullivan

The most innovative artificial intelligence companies of 2026

From big names such as Google and Anthropic to specialists like Abridge, World Labs, and Mithril, these companies are proving that AI’s ability to...

24.03.2026 4

Fast Company

Mark Sullivan

The most innovative companies in applied AI for 2026

Why Sierra, Cursor, Coactive, Lovable, and ServiceNow are among Fast Company’s Most Innovative Companies of 2026.

24.03.2026 20

Fast Company

Mark Sullivan

How Trump’s AI plan to override state laws could undercut key safeguards

Georgetown analyst Mina Narayanan says the White House framework mixes broadly popular ideas with sweeping preemption that could block state-level AI...

23.03.2026 8

Fast Company

Mark Sullivan

Aaron Levie on what enterprise AI adoption actually looks like

The Box CEO says the shift to agents is real, but governance and cost may slow the spread of adoption.

20.03.2026 20

Fast Company

Mark Sullivan

Don’t get too used to ‘subsidized’ chatbot costs

The AI industry will likely follow the ‘growth at all costs’ model used by Uber and others, and then hike up prices.

19.03.2026 7

Fast Company

Mark Sullivan

Investors bet $1 billion on AI pioneer Yann LeCun’s vision for the future of AI

LeCun has argued that language models alone will not produce AI capable of tackling the world’s biggest problems.

12.03.2026 10

Fast Company

Mark Sullivan

Anthropic’s Pentagon showdown is drawing Silicon Valley into a larger fight

Top researchers and major tech companies are lining up behind Anthropic after the Defense Department blacklisted the firm, turning a contract dispute...

11.03.2026 10

Fast Company

Mark Sullivan

OpenAI’s delayed ‘adult mode’ underscores the challenges of age-gating AI

A lot is riding on OpenAI’s ability to separate older ChatGPT users from younger ones.

11.03.2026 10

Fast Company

Mark Sullivan

New York lawmakers want AI chatbots to stop pretending to be doctors or lawyers

A proposed bill would ban professional advice from AI, and allow users to sue if they’re harmed.

06.03.2026 10

Fast Company

Mark Sullivan

OpenAI’s Pentagon deal once again calls Sam Altman’s credibility into question

Altman was supportive of Anthropic in its contract dispute with the Pentagon, but all the while he was positioning his company to supplant its...

05.03.2026 10

Fast Company

Mark Sullivan

Anthropic’s Pentagon fight boosts Claude to No. 1 on app stores

After refusing to let its AI be used for autonomous weapons and mass surveillance, Anthropic has seen a surge in app downloads and paid subscriptions.

03.03.2026 9

Fast Company

Mark Sullivan

Inside OpenAI’s fast-growing Codex: The people building the AI that codes alongside you

OpenAI leaders reveal how the company’s rapidly growing coding agent works, why developers are delegating tasks to it, and what that means for the...

27.02.2026 20

Fast Company

Mark Sullivan

Anthropic’s autonomous weapons stance could prove out of step with modern war

The Pentagon is demanding that the AI company remove the safety guardrails from its AI models to allow all lawful uses.

26.02.2026 10

Fast Company

Mark Sullivan

IBM stock falls after Anthropic says AI can now modernize old software

IBM still profits from mainframes running decades-old COBOL systems. Anthropic says AI can migrate that software elsewhere.

24.02.2026 20

Fast Company

Mark Sullivan

AI’s biggest problem isn’t intelligence. It’s implementation

Culture, workflows, and human habits may set the real pace of the AI economy.

19.02.2026 10

Fast Company

Mark Sullivan

These 6 quotes from OpenClaw creator Peter Steinberger hint at the future of personal computing

The Austrian developer created a massively successful AI agent platform, which he has agreed to sell to OpenAI.

18.02.2026 10

Fast Company

Mark Sullivan

An AI agent just tried to shame a software engineer after he rejected its code

13.02.2026 40

Fast Company

Mark Sullivan

Developers are still weighing the pros and cons of AI coding agents

13.02.2026 10

Fast Company

Mark Sullivan

We’re entering the era of ‘AI unless proven otherwise’

12.02.2026 10

Fast Company

Mark Sullivan

OpenAI’s GPT-5.3-Codex thinks deeper and wider about coding work

07.02.2026 10

Fast Company

Mark Sullivan

Anthropic’s new Claude Opus 4.6 aims to think through bigger codebases

06.02.2026 20

Fast Company

Mark Sullivan

Anthropic takes aim at chatbot ads—with its own Super Bowl ad

05.02.2026 10

Fast Company

Mark Sullivan

Tracking Jeffrey Epstein’s influence on the cutting edge of tech research

04.02.2026 10

Fast Company

Mark Sullivan

AI face swapping video could be a bonanza for scammers

29.01.2026 10

Fast Company

Mark Sullivan

Big Tech CEOs’ tortured statements on ICE in Minnesota show an industry captured by Trump

29.01.2026 10

Fast Company

Mark Sullivan

How Apple’s late AI adoption could transform from a weakness to a strength

26.01.2026 20

Fast Company

Mark Sullivan

A Q&A with Amanda Askell, the lead author of Anthropic’s new ‘constitution’ for AIs

22.01.2026 10

Fast Company

Mark Sullivan

ChatGPT put a weird idea into our heads about how AI should look and act

15.01.2026 10

Fast Company

Mark Sullivan

Why Anthropic’s new ‘Cowork’ could be the first really useful general-purpose AI agent

14.01.2026 20

Fast Company

Mark Sullivan

OpenAI enters the connected health space with ChatGPT Health

08.01.2026 50

Fast Company

Mark Sullivan

Yann LeCun: Meta ‘fudged a little bit’ when benchmark-testing Llama 4 model

06.01.2026 50

Fast Company

Mark Sullivan

AI’s most important benchmark in 2026? Trust

02.01.2026 80

Fast Company

Mark Sullivan

Altman: Once upon a time, Google could have dominated OpenAI

24.12.2025 20

Fast Company

Mark Sullivan

Yes, the Trump administration is likely to buy more equity in more private companies in 2026

20.12.2025 40

Fast Company

Mark Sullivan

Is ‘artificial general intelligence’ an illusion? Yann LeCun thinks so

18.12.2025 10

Fast Company

Mark Sullivan

OpenAI is clapping back at Google’s Gemini 3 with a new GPT-5.2

12.12.2025 30

Fast Company

Mark Sullivan

After Nvidia’s White House ‘coup,’ China may not be buying

11.12.2025 10

Fast Company

Mark Sullivan

Nvidia’s Washington charm offensive has paid off big

10.12.2025 20

Fast Company

Mark Sullivan

Is CoreWeave the AI boom’s canary in a coal mine? 

10.12.2025 10

Fast Company

Mark Sullivan

ICE location app developer sues government, not Apple, for app store removal

09.12.2025 10

Fast Company

Mark Sullivan