The AI Daily Brief: Artificial Intelligence News and Analysis

What I Learned Testing GPT-5.5

April 24, 2026·36 min·2-min readsolotechnology
Podzilla Summary (2 min)
TLDR
GPT-5.5 is a significant leap forward in AI capabilities, particularly for knowledge work, coding, and agent-based tasks, marking OpenAI’s strong response to Anthropic’s rumored 'Mythos' model.


THESIS

The release of GPT-5.5 represents a strategic repositioning by OpenAI to reclaim

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Mentions

Books, people, and resources mentioned in this episode.

People

Sam AltmanGreg BrockmanJacob Pachalki

Companies

OpenAIAnthropic

Products & Tools

GPT-5.5CodexTerminal Bench 2.0Sweebench Pro

Topics

Artificial IntelligenceData ScienceMachine LearningProduct ManagementSoftware EngineeringStartupsTech Industry

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