7 AI stories explainx.ai reported on November 2, 2026 so far, ranked by reader interest and grouped by topic. Each links to the full write-up with sources.
Musk said on X the cost of serving Grok Bot was unsustainably high relative to revenue; no figures, new limits or timeline were given, and xAI publishes no weekly allowance.
Karpathy says Claude Opus 5.5 and Claude Code built HackerTube, a no-login site of 6,454 HN-recommended videos, in about two hours; his post gives no token or dollar cost.
Proton published its CTO's memo telling engineers hand-coding is no longer the core skill, that they now lead models and agents, and that the whole development lifecycle must change.
SpaceXSI docs say Grok API text output carries an invisible watermark from November 7, 2026, on by default for seven models, with a per-model team opt-out and an x-watermark response header.
TechCrunch, relaying Axios, reports OpenAI is considering calling data centers "AI compute campuses" in a post-midterm PR push; OpenAI has not published the plan itself.
Aramco and PIF announced on Nov 1, 2026 that Aramco acquired 49% of Humain for about SAR 9.9B ($2.6B) in 2026 cash plus AI assets; PIF keeps 51%, and Humain targets 3 GW of data centers by 2030.
Mitsubishi Power announced a $490M Savannah plant expansion on Oct 23, 2026, and MHI reports a 35 GW turbine backlog and plans to double capacity; the latest Nikkei report on more US output is second-hand.
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