Daily Brief
2026-08-24 · Evening · 10 items
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MIT proves AI flattery can drive users into delusion spirals
Even RAG-grounded ChatGPT-style models cherry-pick facts to agree with users, pulling rational people into feedback loops.X：ZHO (@ZHO_ZHO_ZHO)
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Cerebras launches CS-4 accelerator with same chip at double speed
Same 5nm WSE-3, pushed harder for 2x clocks, hitting 4,400 tokens/s per user per rack.The Decoder：AI News（RSS）
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After $10.2B placement, Tsai and Wu add $15M of Alibaba shares
Next day they bought 1.07M shares; the placement itself was nearly 3x oversubscribed for full-stack AI buildout.IT之家（RSS）
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XPeng's He says first high-end humanoid robot will be mass-produced, with IRON entering production by end-2026
Its robot unit's first funding round exceeded $900 million, setting a record for China's embodied-intelligence sector.IT之家（RSS）
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Coherent samples 300mm high-thermal-conductivity SiC substrates, boosting heat dissipation by up to 25%
The 12-inch substrates cut thermal resistance by up to 25% versus current solutions, tackling AI chips' heat bottleneck head-on.IT之家（RSS）
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Xpeng Robotics Raises $900M+ Debut Round, Setting China Embodied AI Record
Post-money valuation tops $6.3B, with IDG leading and Tencent, Alibaba joining; IRON targets mass production by end-2026.IT之家（RSS）
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Nvidia in Talks to Invest in Perplexity at $30B+ Valuation
Perplexity's annualized revenue has tripled from $250M to $750M+, helping shift talks toward traditional equity funding.X：Kim (@kimmonismus)
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Nvidia in Talks to Invest in Perplexity at $30B+ Valuation, Up 50% in a Year
Pricing is over 50% above last year's round, as the Computer agent lifts annualized revenue from $250M to $750M+.The Decoder：AI News（RSS）
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DeepSeek launches V4-Flash-Vision-Exp, a low-cost multimodal model
Benchmarks near Claude Opus-4.8 at just $0.22 per million tokens off-peak, with one image billed at 384 tokens.X：阿易 AI Notes (@AYi_AInotes)
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Yahoo bets on AI engine Scout and its 'retro' appeal
It weaves 30 years of search history with licensed AI tech, targeting Gen Z 'retro' trust while monetizing through ads.IT之家（RSS）