Quick Scan
What matters today
December ended with the biggest AI sprint of 2024. OpenAI announced o3: a reasoning model that scored near-perfect on graduate math and outperformed every benchmark before it on science questions.
Format Weekly newsletter issue
Audience Executives using AI at work
Time 14 min read
Topic AI's December Sprint: o3, Gemini Thinking, and the Tools That Changed Everything
Key points
- OpenAI Announces o3: The Strongest Reasoning Model Yet: OpenAI closed out 2024 by announcing o3 on December 20: its most capable reasoning model, scoring 87.7% on graduate-level science questions and 96.7% on the hardest 2024 math competition problems.
- Google Gemini 2.0 Flash Thinking Experimental Available Free: Google released Gemini 2.
- ChatGPT Projects Now Live for All Plans: OpenAI launched Projects for all ChatGPT users on December 13: letting you group conversations, files, and custom instructions into named workspaces. Free users get 5 file uploads per project; Plus users get 25.
- ChatGPT Canvas Goes Free for All Users: OpenAI made Canvas: its collaborative document editor with live Python execution: available to all users including the Free tier on December 10.
- Apple Intelligence iOS 18.2: ChatGPT Now Lives Inside Siri: Apple released iOS 18.
Welcome
This issue gives executives a clean scan of AI's December Sprint: o3, Gemini Thinking, and the Tools That Changed Everything. Start with the quick hits, then use the companion guides for the workflows worth testing this week.
Quick Hits
Top AI Updates
1. OpenAI o3: The Reasoning Model That Changes What Executives Can Delegate in 2025
What makes o3 genuinely different from GPT-4o and o1, and why it matters for business use.
2. Gemini 2.0 Flash Thinking: The First AI That Shows Its Work, And Why That Matters for Regulated Industries
What makes Flash Thinking structurally different from every standard LLM before it
3. ChatGPT Projects: How to Build Persistent AI Workspaces That Actually Remember Your Business
Why the "re-briefing tax" is the biggest hidden cost in how most executives use ChatGPT
Pro Tip
Modern LLMs now boast context windows exceeding 100k tokens. However, simply dumping a massive PDF into a prompt rarely yields high-quality results.
Productivity Gem
Why most executives lose 30-45 minutes every Monday to unstructured orientation work
Health Tip
Why year-end wearable data is the most valuable health input most people never use
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: Mastering Context Windows: The Art of Prompt Compression. A parent or educator helps them build, test, and explain what the AI tool gets right and wrong.
Wrap Up
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PB
About the author
Pierre Bradshaw Founder, PromptHacker.ai
Pierre has spent 25+ years building growth systems across fintech, real estate, lending, campaigns, and AI workflows, with $1.5B+ in client value delivered.
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