PromptHacker
Six days ago, OpenAI shipped the most capable coding model in history - and delayed full API access because it was too dangerous to release without a cybersecurity safety stack. That has not happened before.
What matters today
Six days ago, OpenAI shipped the most capable coding model in history - and delayed full API access because it was too dangerous to release without a cybersecurity safety stack. That has not happened before.
Welcome byte
This issue gives executives a clean scan of PromptHacker. Start with the quick hits, then use the companion guides for the workflows worth testing this week.
Quick Hits
Claude Opus 4.6 in Microsoft Office: The Enterprise AI Shift That Changes the Copilot Equation
What's new in Claude Opus 4.6 - the 1-million-token context window, Finance Agent benchmark, and 14.5-hour task horizon Read more
GPT-5.3-Codex: The Coding Model That Built Itself - and Why Your Team Can't Use It Yet
What GPT-5.3-Codex is, how it performed on SWE-Bench Pro, and what "agentic coding" means in practice Read more
HBR's AI Work Intensity Study: What 8 Months of Data Means for Your Team
The methodology behind the HBR study and why its findings are more reliable than standard AI productivity surveys Read more
Use Claude in Microsoft Office to Replace Copilot - for One Third the Cost
The cost calculation for a 20-person team: Copilot vs. Claude in Office vs. Claude via API Read more
Build Your Team's AI Usage Policy in 30 Minutes Before the Burnout Cycle Starts
The 3 specific elements that every team AI usage policy needs, based on the HBR burnout research Read more
Top AI Updates
1. GPT-5.3-Codex: The Coding Model That Built Itself - and Why Your Team Can't Use It Yet
What GPT-5.3-Codex is, how it performed on SWE-Bench Pro, and what "agentic coding" means in practice
2. Claude Opus 4.6 in Microsoft Office: The Enterprise AI Shift That Changes the Copilot Equation
What's new in Claude Opus 4.6 - the 1-million-token context window, Finance Agent benchmark, and 14.5-hour task horizon
3. HBR's AI Work Intensity Study: What 8 Months of Data Means for Your Team
The methodology behind the HBR study and why its findings are more reliable than standard AI productivity surveys
Pro Tip
The cost calculation for a 20-person team: Copilot vs. Claude in Office vs. Claude via API
Action items:
- Copy the prompt or framework into ChatGPT, Claude, or Gemini.
- Test Use Claude in Microsoft Office to Replace Copilot - for One Third the Cost on one live decision, document, or meeting artifact.
- Save the best version as a reusable team template.
Copy-ready guide Use Claude in Microsoft Office to Replace Copilot - for One Third the Cost
Productivity Gem
The 3 specific elements that every team AI usage policy needs, based on the HBR burnout research
Action items:
- Choose one recurring workflow with a clear before and after.
- Run the Build Your Team's AI Usage Policy in 30 Minutes Before the Burnout Cycle Starts workflow once with real work, not sample data.
- Keep it only if it saves at least 30 minutes this week.
Put it to work Build Your Team's AI Usage Policy in 30 Minutes Before the Burnout Cycle Starts
Health Tip
How to collect the 3 inputs ChatGPT needs to produce a restaurant-specific smart order guide
This information is for educational purposes only and is not medical advice. Please consult a qualified healthcare professional before making changes to your health routine.
Step-by-step guide Valentine's Week Dining Strategy: Use AI to Research Restaurants and Build a Menu Decision Framework
Kids Tip
Kids create a hands-on AI project: Ask AI to Explain the Super Bowl Like a Robot: A Post-Game AI Literacy Activity for Ages 8 to 16. A parent or educator helps them build, test, and explain what the AI tool gets right and wrong.
Try the activity Ask AI to Explain the Super Bowl Like a Robot: A Post-Game AI Literacy Activity for Ages 8 to 16
Wrap Up
Pick one workflow from this issue, run it with real work, and keep the result only if it makes the next decision clearer or faster.
About the author
Pierre has spent 25+ years building growth systems across fintech, real estate, lending, campaigns, and AI workflows, with $1.5B+ in client value delivered.
Email usThree deep dives. Four useful moves. One email worth opening.
PromptHacker turns the AI firehose into practical next steps for work, health, family, and everything time keeps trying to steal.