豆包电脑版上线AI播客功能；Scale AI投资方Accel将因Meta交易斩获25亿美元巨额回报丨AIGC日报

Group 1 - MiniMax has open-sourced its first inference model M1, which utilizes a hybrid attention architecture with Lightning Attention mechanism, supporting up to 1 million tokens for context input and 80,000 tokens for output. The model requires approximately 30% of the computing power of DeepSeek R1 for deep inference with 80,000 tokens, and the entire reinforcement learning phase took three weeks using 512 H800 units, costing $537,400 [1] - Alibaba has launched an upgraded version of Qwen3, optimized for Apple's MLX framework, with 32 official Qwen3 MLX models being open-sourced for easy deployment across iPhone, iPad, and Mac, achieving full-scenario coverage [1] - Accel, an early investor in Scale AI, is expected to gain over $2.5 billion in returns following Meta's $14.3 billion investment in Scale AI. Scale AI, founded in 2016, has notable investors including Index Ventures, Y Combinator, and Tiger Global Management [1] - Reddit has introduced two new AI advertising features aimed at enhancing brand engagement and ad interaction rates. The tools include Reddit Insights for real-time user trend analysis and Conversation Summary Add-ons to integrate positive user comments into ads [1] - Doubao has fully launched its AI podcast feature on the desktop version, allowing users to generate dialogue-based podcasts from uploaded PDFs or web links, with highly human-like voice effects and smooth conversations [1]