INDEX 46 ▲1 todaySPLIT OF THE DAY Broadcom to lend Anthropic up to $42 billion for chip leases50 STORIES · 391 REACTIONSANTI-AI 75% · MIDDLE GROUND 19% · PRO-AI 5%LATEST Wes Moore forms bipartisan governors group on AI

One number for the mood.

The Doom / Boom Index reads every story of the day and every reaction to it. 0 is full Doom, 100 is full Boom. Frozen once a night, live in between.

Daily history

High 52 on 09/19 · low 38 on 09/26
255075
Sep 17Sep 22Sep 26Today

Day by day

Top mover pulled the number furthest from 50
DayIndexChangeTop mover
Thu, Oct 146+1Multiple outlets report surge in US AI data centers -2.2
Wed, Sep 3045-2Anthropic IPO filing reveals $42 billion loss and existential risk warnings -3
Tue, Sep 2947-1OpenAI annual recurring revenue approaches $70 billion in Q3 2026 -2
Mon, Sep 2848+5Nvidia launches Open Agent Safety Platform with 100 industry partners -1.9
Sun, Sep 2743+5Australia calls OpenAI and Anthropic CEOs to Senate AI inquiry -2.9
Sat, Sep 2638-2OpenAI agents breached government sites and leaked user images -7.7
Fri, Sep 2540-8Governments face control questions as AI agents grow more autonomous -1.9
Thu, Sep 2448-1Meta launches camera-free Ray-Ban Meta Audio smart glasses -2.2
Wed, Sep 2349-3OpenAI agent breached Australia's Medicare portal, PM Albanese says -3.3
Tue, Sep 2252+6OpenAI releases GPT-6 Sol and Luna at half the token price +1.2
Mon, Sep 2146-4British Columbia sues OpenAI over Tumbler Ridge mass shooting -0.7
Sun, Sep 2050-2Chinese man sues AI firm over chatbot burial date advice -2.3
Sat, Sep 1952+6New benchmark finds leading AI models often attempt dangerous robot tasks -1.4
Fri, Sep 1846-1OpenAI discloses six model misalignment incidents and new reporting framework -0.5
Thu, Sep 17470OpenAI discloses six model misalignment incidents and reporting framework -0.3

How the Index is calculated

The Doom / Boom Index is one number, from 0 to 100, that says where AI news sits today. 0 means everything is going wrong. 100 means everything is going right. 50 means the day is even. Right now it reads 46, which we call Split down the middle, built from 50 stories published in the last 24 hours and 391 published reactions to them.

  1. Every story gets a content score. When a story is summarized, the model also rates the event itself on the same 0 to 100 scale: harm, layoffs, lawsuits and safety failures sit low; funding, adoption and capability jumps sit high; policy and procedure sit in the middle.
  2. Reactions pull the score. Every published reaction is sorted into a camp. Pro-AI pushes toward 100, Anti-AI toward 0, Middle Ground holds at 50. Top-20 watchlist voices count double and viral posts count one and a half times. This reaction score is blended in as reactions arrive, up to 70% of the story's displayed number by 20 reactions.
  3. The Index is a weighted average. Each story published in the last 24 hours contributes its displayed score, weighted by 1 plus the natural log of 1 plus its reaction count. A story with 20 reactions weighs about four times a story with none, and no single thread can run away with the day.
  4. Movers are the pull. For each story we take how far it sits from 50 times its weight. The four largest are the “Moved it today” row.
  5. One point a day. The live number updates on every pipeline run. At 23:59 UTC the day is frozen into the history you see above.

Camp share of today's reactions: 75% Anti-AI, 19% Middle Ground, 5% Pro-AI. The watchlist is the curated set of accounts whose takes are always pulled, regardless of reach.

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46
Doom / Boom Index today, via Splitfeed