Quick Scan
What matters today
The same 24 hours that saw 2.5 million people quit ChatGPT also saw OpenAI raise $110 billion at an $840 billion valuation.
Format Weekly newsletter issue
Audience Executives using AI at work
Time 4 min read
Topic The Week OpenAI Split the AI World in Two
01 Start here
Welcome byte
The same 24 hours that saw 2.5 million people quit ChatGPT also saw OpenAI raise $110 billion at an $840 billion valuation.
02 Fast scan
Quick Hits
#01 Both things are true. Both tell you something important about where AI is going.
This week: the OpenAI Pentagon deal and what followed, the largest private funding round in history, Snap laying off 1,000 employees and attributing it directly to AI, Claude hitting #1 on the App Store, and two model releases that matter.
#02 Claude hits #1 on App Store - 340% subscription surge (Feb 28)
Following the OpenAI Pentagon deal, #QuitGPT drove the fastest AI platform migration on record. Claude reached the #1 App Store slot within 24 hours. Anthropic temporarily activated a waitlist for new subscribers. 2.
#03 Grok 4.20 Beta 2 released (Mar 3)
xAI released Beta 2 focused on instruction-following reliability and hallucination reduction. Function-calling accuracy improved. Internal evals show a 23% reduction in factual errors vs. Beta 1.
#04 Mistral Small 4 released (Mar 3)
Mistral's latest efficiency model hits sub-$1/M pricing with competitive reasoning benchmarks (HumanEval 74.2%). Strong positioning for high-volume, cost-sensitive workflows - document classification, summarization, first-pass analysis.
#05 Anthropic rolls out Claude memory feature (Early March)
Persistent memory across conversations is rolling out to Claude Pro and Team. Users control what Claude stores, can review and delete memories, and can instruct Claude to remember specific context.
03 Main moves
Top Updates
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.
If you have any questions or comments about The Week OpenAI Split the AI World in Two feel free to reach out. I'd love to hear from you.
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