Issue 42 | ChatGPT just got a new default model. It costs 15x less.

ChatGPT just got a new default model. It costs 15x less.

The past two weeks reset the cost floor for AI. OpenAI released GPT-4o mini on July 18, replacing GPT-3.5 Turbo as the default model for free ChatGPT users. At $0.15 per million input tokens, it costs fifteen times less than GPT-4o while scoring 82% on the MMLU benchmark.

6 min read

Issue 42

Quick Scan

What matters today

The past two weeks reset the cost floor for AI. OpenAI released GPT-4o mini on July 18, replacing GPT-3.5 Turbo as the default model for free ChatGPT users. At $0.

Format Weekly newsletter issue

Audience Executives using AI at work

Time 6 min read

Topic ChatGPT just got a new default model. It costs 15x less.

Key points

Meta: LLaMA 3.1 Released: Meta released LLaMA 3.1 with 405B, 70B, and 8B parameter models. The 405B model rivals GPT-4o on several benchmarks and is fully open source.
Google DeepMind: Math Olympiad AI: AlphaProof and AlphaGeometry 2 solved International Math Olympiad problems at silver medal level.
Runway: Gen-3 Alpha Released: Runway released Gen-3 Alpha with improved motion quality and longer clip generation for AI video.

Welcome

This issue gives executives a clean scan of ChatGPT just got a new default model. It costs 15x less.. Start with the quick hits, then use the companion guides for the workflows worth testing this week.

Quick Hits

Top AI Updates

1. GPT-4o mini: ChatGPT's New Default Model and Why It Matters for Your Team

The Director of Customer Success at a regional bank ran AI-assisted ticket summarization for three months. With GPT-4o, the cost was manageable for 50 tickets per day. At 500 tickets per day, the math stopped working. The team went back to manual processing.

2. SearchGPT: OpenAI's Challenge to Perplexity and Google Search

Three workflow patterns where real-time AI search delivers the most executive value

3. Apple Intelligence Developer Beta: What's Coming to Your iPhone and Mac

The CEO of a professional services firm has resisted adding AI tools to her iPhone workflow. She uses Claude on her laptop daily. The hesitation is practical: a separate app, a separate login, and a separate subscription for mobile AI does not fit how she works between meetings.

Pro Tip

Three specific workflows where GPT-4o mini economics change the build-vs-manual decision

Productivity Gem

A three-step conversational research workflow for competitive intelligence using AI search

Health Tip

Optimize your executive performance by turning raw biometric data into a personalized recovery plan.

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: Build a Teachable Machine Image Classifier With Your Kid. A parent or educator helps them build, test, and explain what the AI tool gets right and wrong.