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Today's Highlights

Elon Musk says xAI's 1.5-trillion-parameter Grok 4.5 has entered private beta testing at Tesla and SpaceX

Top Stories

Chinese DRAM manufacturer CXMT signs $3 billion supply deal with Tencent amid talks with Alibaba, ByteDance, and XiaomiCXMT's DDR5 chip yields currently lag behind global competitors.

Recent Stars

Github Stars

Today's Highlights

Elon Musk says xAI's 1.5-trillion-parameter Grok 4.5 has entered private beta testing at Tesla and SpaceX

Top Stories

Chinese DRAM manufacturer CXMT signs $3 billion supply deal with Tencent amid talks with Alibaba, ByteDance, and XiaomiCXMT's DDR5 chip yields currently lag behind global competitors.

Recent Stars

Github Stars

Yesterday's Top Stories, Jun 28, 2026.

Elon Musk says xAI's 1.5-trillion-parameter Grok 4.5 has entered private beta testing at Tesla and SpaceXEarly evaluations indicate performance approaches or exceeds Opus.

University of Washington's Weijia Shi defends PhD thesis on decomposing monolithic language models into modular systemsShi made her defense presentation slides publicly available.

Teortaxes argues total cognitive automation is the pitch driving trillions in AI datacenter investments by 2028Researcher Alex Imas cited David Ricardo's 1817 machinery treatise.

Austria lobbies the EU to host Anthropic on European infrastructure to bypass US regulatory limitsSkeptics question if EuroHPC supercomputers can run Claude Opus.

Steven Sinofsky and Guillaume Verdon argue breaking up Apple would raise consumer costs, disputing Ocasio-Cortez's antitrust proposalThe proposal followed reports of anticipated hardware price increases.

Next.js creator and Vercel CEO Guillermo Rauch argues professionals should replace LinkedIn with self-owned personal websitesCreator Sophie backed this, citing career success from Twitter.

PCAST Co-Chair David Sacks argues US regulations failed to prevent China from matching Anthropic in cybersecurityInvestor Sheel Mohnot questioned the origin of current export controls.

Claude Code creator Boris Cherny says five execution-based archetypes are replacing traditional siloed engineering and product rolesThe roles include Prototyper, Builder, Sweeper, Grower, and Maintainer.

Resurfaced 2015 email thread reveals "AI Summer" was a top name candidate for OpenAITechEmails published the archive of the early branding brainstorm.

Noah Smith argues merit-based immigration policies should target candidates who possess greater talent than the selectors themselvesMike Maples Jr. compared the approach to corporate hiring.

OpenAI's Andrew Ambrosino says the Codex desktop app has grown sixfold since February to 5 million weekly active usersNearly all OpenAI employees, including non-engineers, use it daily.

Anthropic CEO Dario Amodei argues open-source AI is a distraction because model weights do not grant true transparencyCritics argue open weights allow local deployment and fine-tuning

Investor Vijay Pande argues distributed AI inference will succeed on consumer edge devices rather than decentralized computing networksApple M-series chips could run local workloads for free.

OpenAI Codex engineering lead Thibault Sottiaux says his team is investigating unexplained token usage spikesAn engineer jokingly blamed his own high token consumption.

AVERI's Miles Brundage offers a 100-to-1 bet disputing WSJ's claim that Zhipu AI's GLM-5.2 matches Anthropic's Mythos in cybersecurityThe wager hinges on UK AISI cyber range tests.

Geoffrey Hinton recommends physicist Adam Brown's lecture on how AGI will transform physics researchThe lecture covers AI scaling to Olympiad-level mathematics.

Databricks' Yuchen Jin says GLM-5.2 matches Claude's impact as enterprises adopt open-source models to own their weightsGary Marcus argues the trend proves a lack of moats

Khosla Ventures' Keith Rabois endorses Jaya Gupta's guide to building iconic companies in the AI eraExecutive Josh Elman also agreed, calling the guide timeless.

XPRIZE founder Peter Diamandis says data centers are being sent into space because Earth cannot generate energy fast enoughElon Musk agreed, calling the orbital transition inevitable.

Elon Musk confirms xAI will release a 1.5-trillion parameter model in July and a 2-trillion parameter model in AugustThe 1.5T model uses training data from Cursor

DeepSeek releases DeepSpec, a collection of accelerated open-weight models optimized for local deployment based on Qwen3 and Gemma4The four models range from 4B to 14B parameters

Zhipu AI model reportedly matches Claude Mythos in cybersecurity vulnerability detection, sparking debate over dual-use risksCritics question if the benchmark evaluated Zhipu's GLM 5.2-Cyber.

Wharton's Ethan Mollick argues AI model routers systematically underestimate the difficulty of qualitative and non-coding tasksThis routing mistake deprives creative tasks of advanced models

Sensor Tower data shows WhatsApp leads global apps with an 87% DAU/MAU ratio and 86% retentionThe messaging platform has 2.7 billion monthly active users.

Independent ML consultant Hamel Husain says Codex's cross-device remote sessions are superior to ClaudeThe system synchronizes local and remote projects via mobile.

Theia Vogel, repeng maintainer, argues that tool-like AI safety plans fail because future systems will inevitably become autonomous agentsSafety researcher j⧉nus called mainstream human-control predictions contradictory.

Marathon Management Partners' Gokul Rajaram backs Coach to replace traditional PRDs with structured, four-part product specsThe new spec format is optimized for AI agents.

DeepSeek-AI and Peking University open-source DSpark, using speculative decoding to boost LLM inference throughput by up to 400%The method also accelerates Gemma and Qwen model inference.

Chinese "transfer stations" bypass Anthropic's KYC to resell Claude API access at 5% to 10% of retail pricesProxy operators harvest user prompts and swap models.

AI safety researcher David Manheim proposes a consensus statement to standardize AI evaluations and require replication packagesElon Musk suggested publishing evaluation frameworks directly on X