Issue 108

PromptHacker Weekly -- Issue #108

The cheapest move you can make this week saves real money: ChatGPT Go went worldwide at $8, and moving the staff who never touch the Thinking model off Plus cuts a typical team's AI bill by 40 to 60 percent with no loss of capability.

9 min read

Issue 108

Quick Scan

What matters today

Format Weekly newsletter issue

Audience Executives using AI at work

Time 9 min read

Topic Weekly Brief

Key points

OpenAI launches ChatGPT Go worldwide at $8 a month: Go went live everywhere on a $8 US price with GPT-5.2 Instant and 10x the messages, uploads, and image generations of the free tier.
Copilot Agent Mode reaches Excel on desktop and Mac: Microsoft's January wave lets Copilot build pivots, formulas, and charts directly in the live worksheet, with PowerPoint following in February.
Gemini's Nano Banana edits images by drawing on them: Circle, doodle, or point directly on a photo to target an edit instead of describing the region in text, live on web, Android, and iOS.

Welcome

This issue gives executives a clean scan of PromptHacker Weekly -- Issue #108. Start with the quick hits, then use the companion guides for the workflows worth testing this week.

Quick Hits

Top AI Updates

1. ChatGPT Go Just Went Worldwide at $8: How to Cut Your Team's AI Bill by 60 Percent Without Losing Capability

The exact per-seat math that decides who should move to Go and who should stay on Plus

2. Claude Cowork Now Runs on the $20 Plan: A Desktop Agent That Works Your Files Without the Copy-Paste Loop

What Claude Cowork is and why running it inside Claude Desktop changes how you do file work

3. Copilot Agent Mode Reaches Excel on Desktop and Mac: Stop Copying Output Into Cells

The difference between Copilot suggesting an analysis and Copilot building it in the cells

Pro Tip

A complete copy-paste prompt for a board summary, a competitive analysis, and a proposal

Productivity Gem

The monthly run sequence that takes the report from raw export to finished in under 30 minutes

Health Tip

Why a generic cold-and-heat routine ignores the one thing that should drive it: your recovery

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.

Kids Tip

Kids create a hands-on AI project: MLK Day Activity: Ask AI to Explain the Dream, Then Help Your Child Write Their Own. A parent or educator helps them build, test, and explain what the AI tool gets right and wrong.

Wrap Up

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