The 9x Blog

Ninefold

Superhuman skills for superhuman results

Field notes from training over 20,000 professionals in AI and automation, by the team at 9x.

Claude

ChatGPT

AI at work

Case studies

The 9x Blog

Ninefold

Superhuman skills for superhuman results

Field notes from training over 20,000 professionals in AI and automation, by the team at 9x.

Claude

ChatGPT

AI at work

Case studies

From the 9x team

Our take on AI at work, from the people who run 9x.

We Needed a CRM Manager. So We Hired Claude.

Everyone at 9x has managed a company's CRM at some point. It is a rite of passage, and the job keeps getting harder. Here is why we will never hire for it.

Why We're Rebuilding Our AI Membership Around Live Workshops

Five months after launching 9x Pro, we're rebuilding the membership around live workshops. Here's what we learned — and what Pro members can expect.

The Path to AI-First Runs Through Your Team

Agents can only run your operations if the skills underneath work reliably. Your team builds that reliability. The three phases from manual work to autopilot.

Companies don't adopt AI. People do.

Every meaningful AI rollout we've seen started with a few early adopters willing to pave the way. We built a three-week public Cowork cohort for the next wave.

Why Cowork Is a Bigger Deal Than People Realize

Claude Cowork is reshaping enterprise AI productivity. The harness-vs-agent angle, the enterprise plumbing shipped in 5 months, and why demand is accelerating.

The Three Tiers of AI Skills

From AI literacy to AI cowork to AI automation: the three tiers of AI skills your team needs in 2026, with target adoption levels for each.

Latest on YouTube

Hands-on tutorials and full-length courses on how to use AI and automation at work to make you 9x more effective.

Hundreds of thousands of people watch our tutorials every week on one of the fastest growing channels in the industry.
Subscribe here so you never miss a video.

Get started with Claude

New to Claude? Start here: Chat, Cowork, skills and artifacts, step by step.

Claude Chat vs Cowork vs Code: Which Should You Use?

8 min read

How to use Claude Cowork
How to Use Claude Cowork: Full Course for Beginners

15 min read

What Are Claude Skills? A Plain English Guide

9 min read

Claude Artifacts Examples: Real Things Teams Build

10 min read

The Best Claude Model for Every Job (2026)

12 min read

Claude Docs, Slides and Design: What's New in Cowork
Claude Docs, Slides and Design: The Latest Massive Update from Anthropic

9 min read

Get started with ChatGPT

New to ChatGPT? Start here: Work, Sites and skills, step by step.

ChatGPT Work vs ChatGPT Chat
ChatGPT Work vs Chat: What's the Difference?

12 min read

What Is ChatGPT Work? A Plain English Guide for Business Teams

14 min read

How to Use ChatGPT Work: Access, Setup and Your First Task

9 min read

ChatGPT Work use cases
8 Insane ChatGPT Work Use Cases That'll Save You Hours

20 min read

What is ChatGPT Sites?
What is ChatGPT Sites and How to Use It (3 Killer Use Cases)

12 min read

ChatGPT Skills
How to Build ChatGPT Skills (Better than 99% of People)

12 min read

All articles

All

Claude

ChatGPT

AI

Training

Operations

Marketing

Case studies

A browser window with a cursor clicking inside it and a grid of eight small task tiles beside it

8 ChatGPT Browser Use Cases That Save Me Hours Every Week

8 ChatGPT browser use cases I run every week, from turning a website into a spreadsheet to auditing a competitor's funnel, with the setup and prompts for each.

Eight rising steps, each marked with an icon for one of the AI skills to learn, from a chat bubble to a gear, with a spark above the top step

The 8 AI Skills That Will Separate Winners From Losers in 2027

The AI skills to learn in 2027 if you work for a company: five for delegating work to an agent, three for building AI for your team, and the tools for each.

Comparison of a project that has an end and an operating system that you run

Running AI Enablement Internally? Here are Three Things to Consider

AI enablement looks like a training project. It isn't. Skill levels, tools and functions all move at once. Here's what running it internally really takes.

How to use Claude slides

What is Claude Slides, and How to Use Them (Guide for Beginners)

How to use Claude Slides to build an on-brand deck from a one-line brief, edit and export it, and where it beats PowerPoint and Google Slides, and where it doesn't.

How to use Claude docs

What are Claude Docs, and How to Use Them Like a Pro

How to use Claude Docs to draft, edit and share a living document, action comments with Claude, and how it compares to Google Docs and Microsoft Word.

ChatGPT Skills

How to Build ChatGPT Skills (Better than 99% of People)

How to build ChatGPT skills the way that actually works: do the job once with the agent, then save it. Includes the anatomy, a real build, and the mistake.

The Best Claude Model for Every Job (2026)

The best Claude model isn't the smartest one, it's the right one for the job. Fable 5, Opus 5, Sonnet 5 and Haiku 4.5 compared on cost, capability and use.

Claude Updates: What's Changed in Claude (2026 Guide)

A running guide to Claude updates, reviewed monthly. Every meaningful change to Chat, Cowork, Code, Skills and the models, dated, in plain English.

We Needed a CRM Manager. So We Hired Claude.

Everyone at 9x has managed a company's CRM at some point. It is a rite of passage, and the job keeps getting harder. Here is why we will never hire for it.

Claude Docs, Slides and Design: What's New in Cowork

Claude Docs, Slides and Design: The Latest Massive Update from Anthropic

Claude Docs, Slides and Design put writing, decks and visuals inside Claude. What each does, how to find them, and the one setup step that keeps them on-brand.

How to build a website with ChatGPT

How to Build a Website with ChatGPT (Step by Step)

How to build a website with ChatGPT using ChatGPT Sites: What you need, how to brief it, making it on-brand, and publishing it to your own domain.

ChatGPT Sites Use Cases

ChatGPT Sites Use Cases: 8 Insane Things You Can Build Today

Eight real ChatGPT Sites use cases I've built, from a live business site to a full app with logins, with the time each took and what to hand it first.

Context Engineering vs Prompt Engineering, Explained

Context engineering vs prompt engineering: What each is, why context beats wording once AI does real work, and the moves that make agents reliable.

How to Use ChatGPT Work: Access, Setup and Your First Task

How to use ChatGPT Work: Getting the desktop app, choosing local or cloud mode, setting up a project, and briefing your first whole job for it to run.

Claude Scheduled Tasks Explained: Set-and-Forget Workflows That Run Without You

Claude scheduled tasks run your recurring work automatically, in their own Cowork session, even when your computer's off. What they are and how to set one up.

How to Use Claude Projects: A Practical Guide

How to use Claude Projects: Set up a workspace with its own knowledge and instructions, so Claude keeps your context and you stop re-briefing every chat.

Claude for Chrome

Claude for Chrome: How to Let Claude Use Your Browser (and When Not To)

Claude for Chrome lets Claude read pages, fill forms and click through your browser. How to set it up, what it's genuinely good at, and when to keep it away.

ChatGPT Projects: How to Use Them (and Why You Should)

ChatGPT Projects keep the files, chats and instructions for one piece of work in a single workspace. What they are, how to set one up, and how to use them.

Start With the Goal: How to Drive ROI from AI Training

Connect AI training to business results in four steps: choose a goal, identify KPIs, train on relevant use cases, and measure the impact.

How to use ChatGPT effectively at work

How to Use ChatGPT Effectively at Work: A Practical Guide

How to use ChatGPT effectively at work by delegating whole jobs instead of writing better prompts. The four-part brief, what to hand over, and how to check it.

How to get your ChatGPT API Key

How to Get a ChatGPT API Key (Setup, Cost and Pitfalls)

Get a ChatGPT API key in five minutes, plus the two things that catch people out: the key is shown once, and it won't work until you add credit.

What is ChatGPT Sites?

What is ChatGPT Sites and How to Use It (3 Killer Use Cases)

What is ChatGPT Sites? OpenAI's site builder in ChatGPT that ships a live site from a prompt. Three real builds it handled, and the limits worth knowing first.

ChatGPT Work vs ChatGPT Chat

ChatGPT Work vs Chat: What's the Difference?

What are the key differences between ChatGPT Work and the standard chat? And when should you use each one?

ChatGPT Work use cases

8 Insane ChatGPT Work Use Cases That'll Save You Hours

Eight ChatGPT Work use cases, each one filmed start to finish: dashboards, Excel models, lead research and 130 descriptions edited in a single run.

All articles

All

Claude

ChatGPT

AI

Training

Operations

Marketing

Case studies

A browser window with a cursor clicking inside it and a grid of eight small task tiles beside it

8 ChatGPT Browser Use Cases That Save Me Hours Every Week

8 ChatGPT browser use cases I run every week, from turning a website into a spreadsheet to auditing a competitor's funnel, with the setup and prompts for each.

Eight rising steps, each marked with an icon for one of the AI skills to learn, from a chat bubble to a gear, with a spark above the top step

The 8 AI Skills That Will Separate Winners From Losers in 2027

The AI skills to learn in 2027 if you work for a company: five for delegating work to an agent, three for building AI for your team, and the tools for each.

Comparison of a project that has an end and an operating system that you run

Running AI Enablement Internally? Here are Three Things to Consider

AI enablement looks like a training project. It isn't. Skill levels, tools and functions all move at once. Here's what running it internally really takes.

How to use Claude slides

What is Claude Slides, and How to Use Them (Guide for Beginners)

How to use Claude Slides to build an on-brand deck from a one-line brief, edit and export it, and where it beats PowerPoint and Google Slides, and where it doesn't.

How to use Claude docs

What are Claude Docs, and How to Use Them Like a Pro

How to use Claude Docs to draft, edit and share a living document, action comments with Claude, and how it compares to Google Docs and Microsoft Word.

ChatGPT Skills

How to Build ChatGPT Skills (Better than 99% of People)

How to build ChatGPT skills the way that actually works: do the job once with the agent, then save it. Includes the anatomy, a real build, and the mistake.

The Best Claude Model for Every Job (2026)

The best Claude model isn't the smartest one, it's the right one for the job. Fable 5, Opus 5, Sonnet 5 and Haiku 4.5 compared on cost, capability and use.

Claude Updates: What's Changed in Claude (2026 Guide)

A running guide to Claude updates, reviewed monthly. Every meaningful change to Chat, Cowork, Code, Skills and the models, dated, in plain English.

We Needed a CRM Manager. So We Hired Claude.

Everyone at 9x has managed a company's CRM at some point. It is a rite of passage, and the job keeps getting harder. Here is why we will never hire for it.

Claude Docs, Slides and Design: What's New in Cowork

Claude Docs, Slides and Design: The Latest Massive Update from Anthropic

Claude Docs, Slides and Design put writing, decks and visuals inside Claude. What each does, how to find them, and the one setup step that keeps them on-brand.

How to build a website with ChatGPT

How to Build a Website with ChatGPT (Step by Step)

How to build a website with ChatGPT using ChatGPT Sites: What you need, how to brief it, making it on-brand, and publishing it to your own domain.

ChatGPT Sites Use Cases

ChatGPT Sites Use Cases: 8 Insane Things You Can Build Today

Eight real ChatGPT Sites use cases I've built, from a live business site to a full app with logins, with the time each took and what to hand it first.

Context Engineering vs Prompt Engineering, Explained

Context engineering vs prompt engineering: What each is, why context beats wording once AI does real work, and the moves that make agents reliable.

How to Use ChatGPT Work: Access, Setup and Your First Task

How to use ChatGPT Work: Getting the desktop app, choosing local or cloud mode, setting up a project, and briefing your first whole job for it to run.

Claude Scheduled Tasks Explained: Set-and-Forget Workflows That Run Without You

Claude scheduled tasks run your recurring work automatically, in their own Cowork session, even when your computer's off. What they are and how to set one up.

How to Use Claude Projects: A Practical Guide

How to use Claude Projects: Set up a workspace with its own knowledge and instructions, so Claude keeps your context and you stop re-briefing every chat.

Claude for Chrome

Claude for Chrome: How to Let Claude Use Your Browser (and When Not To)

Claude for Chrome lets Claude read pages, fill forms and click through your browser. How to set it up, what it's genuinely good at, and when to keep it away.

ChatGPT Projects: How to Use Them (and Why You Should)

ChatGPT Projects keep the files, chats and instructions for one piece of work in a single workspace. What they are, how to set one up, and how to use them.

Start With the Goal: How to Drive ROI from AI Training

Connect AI training to business results in four steps: choose a goal, identify KPIs, train on relevant use cases, and measure the impact.

How to use ChatGPT effectively at work

How to Use ChatGPT Effectively at Work: A Practical Guide

How to use ChatGPT effectively at work by delegating whole jobs instead of writing better prompts. The four-part brief, what to hand over, and how to check it.

How to get your ChatGPT API Key

How to Get a ChatGPT API Key (Setup, Cost and Pitfalls)

Get a ChatGPT API key in five minutes, plus the two things that catch people out: the key is shown once, and it won't work until you add credit.

What is ChatGPT Sites?

What is ChatGPT Sites and How to Use It (3 Killer Use Cases)

What is ChatGPT Sites? OpenAI's site builder in ChatGPT that ships a live site from a prompt. Three real builds it handled, and the limits worth knowing first.

ChatGPT Work vs ChatGPT Chat

ChatGPT Work vs Chat: What's the Difference?

What are the key differences between ChatGPT Work and the standard chat? And when should you use each one?

ChatGPT Work use cases

8 Insane ChatGPT Work Use Cases That'll Save You Hours

Eight ChatGPT Work use cases, each one filmed start to finish: dashboards, Excel models, lead research and 130 descriptions edited in a single run.

Your new home for learning AI.

Weekly live workshops, on-demand courses, and plug-and-play downloadables. Get started for free today.

Your new home for learning AI.

Weekly live workshops, on-demand courses, and plug-and-play downloadables. Get started for free today.

Your new home for learning AI.

Weekly live workshops, on-demand courses, and plug-and-play downloadables. Get started for free today.