Google's Official Gemma 4 QAT Q4_0 GGUFs Have Higher Precision Than Unsloth's Q4_K_XL
r/LocalLLaMA top day6 days agoCommentaryAn analysis of Gemma 4 QAT GGUF files reveals that Google's official 'Q4_0' releases actually employ a mixed-precision strategy. For smaller models like E2B and E4B, Google keeps critical token embeddings in Q6_K and certain projection weights in F16. This makes Google's Q4_0 files larger and more precise than Unsloth's 'Q4_K_XL' versions, which default to standard Q4_0 for almost all tensors.
DeepSeek V4 Pro beats GPT-5.5 Pro on precision
Hacker News (AI keywords)6 days agoBenchmarkRuntimeWire compared DeepSeek V4 Pro and GPT-5.5 Pro across four fresh text tasks, with DeepSeek winning 38.0 to 33.0. The article highlights DeepSeek’s stronger handling of regex edge cases, workplace-update constraints, and exact JSON schema compliance. GPT-5.5 Pro remained capable, but lost points for avoidable deviations, extra process details, and minor structural mismatches.
I built a vulnerable app and spent $1,500 seeing if LLMs could hack it
Hacker News (AI keywords)10 days agoBenchmarkThe author built a vulnerable React Native app with a Python backend and a Firebase access-control flaw. GPT 5.5 solved 7 of 10 runs, while Deepseek and Claude variants solved fewer attempts. Many other models failed due to refusals, API-focused tunnel vision, false positives, or inability to use the exposed Firebase path correctly.
Why Video Agent Models Are Next — Ethan He, xAI Grok Imagine
Latent Space13 days agoOpinionLatent Space interviews Ethan He, who led Grok Imagine at xAI, about building the product in three months. The episode contrasts video generation with world models and explores why video agent models may become an important next step. It also argues that Grok Imagine remains underrated, while the supplied description does not include architecture details or benchmark results.
Elon Musk 已放棄（地球上的）太陽能：xAI 全力投入天然氣，SpaceX 則迷戀軌道數據中心
TechCrunch AI22 days agoCommentaryThis report indicates that tech billionaire Elon Musk appears to have abandoned the "terrestrial solar energy economy" vision he once heavily promoted. This…
Grok 陷入掙扎，SpaceX 遞交 IPO 招股書：擬以「軌道數據中心」迎戰科技巨頭的 AI 霸權★ 85
Ars Technica AI23 days agoBusinessAccording to the latest disclosed IPO filing from SpaceX, the aerospace giant led by Elon Musk is preparing to stake its future on AI infrastructure. The…
SpaceX 提交 S-1 招股書：揭露 Anthropic 每月支付 12.5 億美元租用 Colossus 算力，並證實 Grok 5 訓練中★ 90
Simon Willison's Weblog24 days agoBusinessWell-known tech expert Simon Willison has cited SpaceX's latest S-1 IPO prospectus filed with the U.S. Securities and Exchange Commission (SEC), which reveals…
Anthropic 與 xAI 簽署 50 億美元 Colossus 算力合約，ARR 暴增 8000%★ 90
Latent Space38 days agoBusinessThis is a heavyweight partnership that has shaken the AI industry. According to the latest report from Latent Space, AI unicorn Anthropic has reached an…
Google DeepMind 推出基於 Gemma 的 270 億參數單細胞分析模型，助力發現潛在癌症治療新途徑★ 78
Google DeepMind Blog234 days agoReleaseGoogle DeepMind has announced the launch of a new foundation model built on the Gemma open-source model family. With as many as 27 billion (27B) parameters…
xAI 正式開放 Grok 3 與 Grok 3-mini API！主打推理與超低定價★ 85
TLDR AI (Buttondown)421 days agoReleaseGrok 3, the flagship AI model from xAI founded by Elon Musk, has finally officially opened its API access months after launch, and simultaneously surprised…
【AINews】平靜中的暗潮：OpenAI 記憶更新與 GPT-4.1 洩露、xAI 正式推出 Grok 3 API★ 75
TLDR AI (Buttondown)429 days agoReleaseAlthough AINews characterized these two days as "a calm day," in reality, tech giants and the open-source community remained full of undercurrents. First, on…
xAI 與 Vercel 攜手合作，為開發者提供無縫的 Grok 模型開發體驗★ 75
Vercel Changelog451 days agoReleaseVercel announced on March 20, 2025, a strategic partnership with xAI, the AI research company founded by Elon Musk. The core mission of this collaboration is…