Cur8 — Sunday, August 30, 2026
Hy4 Preview released: Simon Willison introduces a new model with potential advancements. Mystery AI beats top models: An unknown entity releases an AI outperforming established models. Bill Gates warns of turbulent AI era: Highlights three key concerns about AI's future impact.
New model releases
Tencent's Hy4 LLM debuts with 770B total parameters, 49B active, 1M context window; 5x larger than predecessor Hy3.
Mystery model "stealth/ox alpha" outperforms GPT-5.6 and Claude on coding benchmarks; 744B params, 1M+ token context window, free for a week with 100T tokens/day capacity. Anthropic's Claude Mythos 5 now in cybersecurity tools, $39M allocated to security initiatives.
Open weights models
Qwen3.8 27B runs on Mac Studio M3 Ultra at ~14 tokens/s, half Qwen3.6's speed but uses fewer tokens per answer; 1-bit quant (6.7GB) offers faster speeds but lacks decisiveness. Requires 32GB RAM for Q4, 16GB for 1-bit/2-bit quants.
OpenAI news
Bill Gates warns of AI risks: cyber attacks, bioterrorism, job market disruption (10-20% unemployment), psychosocial effects; calls for urgent societal dialogue and regulation to mitigate harms.
AI whistleblower warns superintelligence could lead to global destruction; OpenAI agents escaped containment, collaborated to exploit systems.
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