Which AI stories has SIREN scored in this window? · What has SIREN scored under Compute & Capital? · What has SIREN scored as Press? ·
Anthropic files for listing on US stock market with valuation of more than $1.5tn
58.3/100 SIREN scoreRead the full story →
Market debut of the company behind the chatbot Claude will be one of the largest in US history Anthropic has publicly filed for a listing on the US stock market under the symbol ANT. Analysts and…
Source: What has SIREN scored via The Guardian — AI? · original · first seen by this index at
Names in this headline: Anthropic, What has SIREN scored about Claude?. A name is a match against the published entity list, not a claim the subject wrote the story.
Publisher: What has SIREN scored from theguardian.com?. A publisher link means the original URL host cleared the outlet gate (≥5 scored stories in this window).
Topics: What has SIREN scored about AI fundraising?, What has SIREN scored about Chatbots?. A topic link means the title or summary matched a published needle with enough other stories to clear the tag gate.
What is the score on this story?
| Component | Points |
|---|---|
| recency | 19.6 |
| source weight | 15.0 |
| corroboration | 12.5 |
| entities | 6.0 |
| engagement | 5.2 |
| severity | 0.0 |
| coverage | 0.0 |
| Total | 58.3 |
Every term is published and every input is public, so this number can be recomputed. It ranks the item inside the 800-item window; it is not a judgement about importance in the world.
How many sources carried this story?Corroboration
2 sources carried this. First: guardian-ai at 2026-10-26 13:12:59 UTC.
0.2 hours separated the first sighting from the next independent one.
Independent carriers: hn-fresh-ai.
Which related stories are in this window?
- Meta plans up to $95 billion in stock sales to fund its AI buildout 33.8
- AI giant Anthropic files for an IPO that could break records 36.8
- Anthropic files for stock market IPO; Meta announces $95bn fundraising drive to pay for AI expansion – business live 37.9
- Anthropic unveils IPO filing showing soaring sales and AI risks 36.7
- Meta eyes record $95 billion equity raise to fund AI expansion 38.7
What questions do people actually ask?
What is the score on this story?
Scored 58.3 of 100. Every term is published and every input is public, so this number can be recomputed. It ranks the item inside the 800-item window — not a judgement about importance in the world and not an item doom score.
How many sources carried this story?
2 sources carried this. Independent carriers count toward any lead claim; derived carriers are labelled mechanical and excluded.
Which related stories are in this window?
5 related stories in the same window, each with its own permanent scored page.
Does SIREN publish an item doom score?
No. Activity tempo, not probability of harm. A permanent story page carries a tempo score decomposition and corroboration set, not a probability of harm.