LWiAI Podcast #258 - Opus 5.5, Sol and Luna, Muse, DeepSeek-V4.1-Flash, Xi

Last Week in AI
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Anthropic released Opus 5.5 with improved performance and security features; OpenAI launched cheaper GPT-6 tiers Sol and Luna amid interpretability concerns; Meta's Muse expanded to Mac but faced Amazon shopping ban. The episode also covered open-source AI updates, US-China AI diplomacy, antitrust suits, and AI research studies.

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