GPT-5.4 Autonomy Risks, OpenAI's GPT-5.3 & Meta AI Spark
GPT-5.4's extended autonomy raises cybersecurity concerns as OpenAI unveils GPT-5.3 Instant Mini for enterprise. Frontier AI model competition intensifies, with open-weight solutions maturing and Google enhancing Gemini with new features. Full edition: https://tech.pibrief.com/editions/2026-04-13
The skinny
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