The Ownership Divide
The essay The Ownership DivideWhat this library is, and what it shows
AT&T · WSJThe thesis of this library in one picture. 45BAI tokens AT&T processes per day through its own gatewayAT&T 90%AI cost reduction AT&T reports from routing to right-sized, owned modelsAT&T $881MZillow Offers' 2021 loss, the largest single…
The thesis of this library in one picture. 45BAI tokens AT&T processes per day through its own gatewayAT&T 90%AI cost reduction AT&T reports from routing to right-sized, owned modelsAT&T $881MZillow Offers' 2021 loss, the largest single…
AT&T owns all four layers
WSJAT&T reports more than 1,000 internal AI use cases (WSJ, via Livemint syndication). “ You hear the stories of the 'token apocalypse,' and we're not scared of the token future. Andy Markus, AT&T Chief Data and AI Officer · WSJ L01 · Model…
Why they did it
explainx (The · WSJ · ETCIO SEAIts AI workload grew roughly 5.6× in a year while AI spend stayed roughly flat (explainx analysis of The Information and Fierce Network reporting). AT&T processes an average of 45 billion AI tokens per day through its AI Gateway.
Jeremy Legg explained why AT&T refused the default path: “We felt like the industry was moving down a path where folks were only going to use closed-source models... we didn’t want to lose sight of the fact that open-source models were…
Those tokens were selected from a pool of more than 1 trillion processed tokens.
AT&T reports more than 1,000 internal AI use cases (WSJ, via Livemint syndication). “ You hear the stories of the 'token apocalypse,' and we're not scared of the token future. Andy Markus, AT&T Chief Data and AI Officer · WSJ L01 · Model…
Klarna
Klarna · Entrepreneur · ForbesKlarna said it did “the equivalent work of 700 full-time agents” across 23 markets and 35+ languages, with an estimated $40 million profit improvement for 2024.
Klarna then froze hiring for more than 12 months and let headcount fall 22% to about 3,500, before CEO Sebastian Siemiatkowski reversed course and began rehiring humans.
By May 2025 he admitted the cost-cutting emphasis had lowered service quality (Forbes). Root cause: the missing layer Klarna had no owned evaluation loop, so customers discovered the quality regression before any test did.
Zillow Offers
Zillow GroupQ3 2021 GAAP net loss was $328 million.
IBM Watson Health
IBM · STATThe assets included Health Insights, MarketScan, Clinical Development, Social Program Management, Micromedex and imaging software.
The unit remained unprofitable, lost clients and missed sales targets, which STAT called a “staggering collapse” (STAT). Root cause: the missing layer IBM bought data assets but never converted them into an integrated, governed training corpus.
MD Anderson / Watson
JNCI · The Cancer LetterA $62 million cancer-care project shelved at MD Anderson.
It reproduced its trainers rather than adding independent capability (JNCI; The Cancer Letter). Root cause: the missing layer The customer could not inspect what the model had learned, and the “training” was an opaque vendor service rather…
McDonald's / IBM
Restaurant Business · apnews.com · NYTMcDonald’s had sold McD Tech Labs to IBM in 2021.
Customers had posted complaints about misinterpreted orders, and the system struggled with accents and dialects (AP; NYT). Root cause: the missing layer McDonald’s sold the team that built the technology to a vendor, and lost the ability…
Customers had posted complaints about misinterpreted orders, and the system struggled with accents and dialects (AP; NYT). Root cause: the missing layer McDonald’s sold the team that built the technology to a vendor, and lost the ability…
Air Canada
Ars Technica · BBCA tribunal ordering an airline to honor a policy its chatbot invented.
Air Canada argued the chatbot was a “separate legal entity that is responsible for its own actions,” a defense Rivers called “remarkable.” The chatbot appeared to be disabled afterward (Ars Technica; BBC). Root cause: the missing layer The…
iTutorGroup
EEOC · ReutersThe consent decree included five years of monitoring.
EEOC officials on the matter included Trial Attorney Daniel Seltzer, New York District Regional Attorney Jeffrey Burstein, and Acting District Director Timothy Riera (EEOC; Reuters). Root cause: the missing layer Automated decision logic…
NYC MyCity
apnews.com · The CityIt told users that employers could fire workers who complain of sexual harassment, that landlords could refuse Section 8 tenants, and that businesses could refuse to accept cash.
It told users that employers could fire workers who complain of sexual harassment, that landlords could refuse Section 8 tenants, and that businesses could refuse to accept cash.
OpenAI / Garante
Reuters (fine) · Reuters (annulment) · GaranteOpenAI called the fine “disproportionate” and nearly 20× its Italian revenue.
A Court of Rome scrapped the fine on March 19, 2026 (Reuters). Root cause: the missing layer Enterprises that route data through a provider whose own training-data legal basis is contested inherit that regulatory uncertainty, and they…
OpenAI called the fine “disproportionate” and nearly 20× its Italian revenue.
Samsung
TechCrunch · BloombergEffective May 1, 2023 Samsung banned generative AI tools on company devices and on personal devices connected to internal networks.
Effective May 1, 2023 Samsung banned generative AI tools on company devices and on personal devices connected to internal networks.
Wall Street banks
Forbes · WSJ · BloombergBank of America added it to its unauthorized applications list alongside WhatsApp, and Wells Fargo imposed usage limits (Forbes; WSJ; Bloomberg). Root cause: the missing layer Regulated record-keeping and client-confidentiality obligations…
Bank of America added it to its unauthorized applications list alongside WhatsApp, and Wells Fargo imposed usage limits (Forbes; WSJ; Bloomberg). Root cause: the missing layer Regulated record-keeping and client-confidentiality obligations…
Bank of America added it to its unauthorized applications list alongside WhatsApp, and Wells Fargo imposed usage limits (Forbes; WSJ; Bloomberg). Root cause: the missing layer Regulated record-keeping and client-confidentiality obligations…
Michael Cohen / Bard
SDNY · NYT · Washington PostFurman denied early termination of supervised release while declining to impose sanctions (SDNY opinion PDF; NYT; Washington Post). Root cause: the missing layer A consumer assistant with no provenance guarantees was used as a citation…
Furman denied early termination of supervised release while declining to impose sanctions (SDNY opinion PDF; NYT; Washington Post). Root cause: the missing layer A consumer assistant with no provenance guarantees was used as a citation…
Furman denied early termination of supervised release while declining to impose sanctions (SDNY opinion PDF; NYT; Washington Post). Root cause: the missing layer A consumer assistant with no provenance guarantees was used as a citation…
Mata v. Avianca
Reuters · Mata v. AviancaCastel found “acts of conscious avoidance and false and misleading statements to the court”.
The underlying personal-injury claim, filed February 2, 2022 for an August 28, 2019 flight, was separately dismissed as time-barred under the Montreal Convention (Mata v.
Google Gemini images
GoogleOn February 23, 2024, Senior Vice President Prabhakar Raghavan wrote that the images were “inaccurate” and “offensive,” and that the outcome was “embarrassing and wrong” (Google blog). Root cause: the missing layer Model transparency and…
Alphabet / Bard demo
Reuters · BBCThose images were actually captured by ESO’s Very Large Telescope in 2004 (Reuters; BBC). Root cause: the missing layer Evaluation was missing.
Those images were actually captured by ESO’s Very Large Telescope in 2004 (Reuters; BBC). Root cause: the missing layer Evaluation was missing.
Microsoft Tay
BBCHe noted that Microsoft’s XiaoIce was used by roughly 40 million people in China without the same failure (BBC). Root cause: the missing layer Learning pipeline governance was missing.
Deloitte AU / DEWR
Guardian · apnews.comDeloitte repaid the final contract installment (Guardian; AP). Root cause: the missing layer Organized data and evaluation were missing.
Deloitte repaid the final contract installment (Guardian; AP). Root cause: the missing layer Organized data and evaluation were missing.
Rite Aid / FTC
FTC · ReutersThe order requires deletion of biometric data and annual CEO certification.
The order requires deletion of biometric data and annual CEO certification.
Epic Sepsis Model
JAMA Internal · JAMA editorialIt found an AUC of 0.63 (95% CI 0.62–0.64) versus Epic’s reported 0.76–0.83, with 33% sensitivity, 83% specificity and 12% positive predictive value at the recommended threshold.
Epic holds records for about 180 million Americans (JAMA; companion editorial). Root cause: the missing layer Model transparency and local evaluation were missing.
UnitedHealth nH Predict
ClassAction.org · Healthcare FinanceIt also alleges that employees were disciplined or terminated for deviating from its output.
In February 2025 a judge dismissed five of seven counts but allowed the suit to proceed (Healthcare Finance News). Root cause: the missing layer Model transparency and governance were missing.
CNET (Red Ventures)
CBS News · Machine LearningThe stories came from an “internally designed AI engine” rather than ChatGPT, and CNET paused the tool after corrections were required, including “substantial” ones.
Corrections were ultimately issued on 41 of the 77 stories, more than half (Machine Learning Times). Root cause: the missing layer Evaluation and the learning pipeline were missing.
Sports Illustrated / AdVon
Futurism · BBC · PBS NewsHourThe Arena Group ended the AdVon partnership and deleted the content after the reporting.
The Arena Group ended the AdVon partnership and deleted the content after the reporting.
The SI Union said it was “horrified” and that “these practices violate everything we believe in about journalism” (BBC; PBS NewsHour). Root cause: the missing layer Governance over an outsourced generation pipeline was missing.
Amazon recruiting
ReutersThe effort spanned roughly 500 models and about 50,000 terms, and the team was disbanded by the start of 2018 (Reuters). Root cause: the missing layer Organized data was missing.
Windsurf / Anthropic
TechCrunch (access · TechCrunch (Kaplan)A vendor cutting a $100 million ARR customer off from its model with under five days’ notice.
Anthropic co-founder Jared Kaplan publicly defended the decision days later (TechCrunch). Root cause: the missing layer Model ownership and owned infrastructure were missing.
Cursor / Anysphere
Cursor · FinTech WeeklyUsers saw unexpected charges, and Cursor issued a public apology on July 4, 2025 with refunds for anyone billed between those dates (Cursor; FinTech Weekly). Root cause: the missing layer Owned infrastructure was missing.
Users saw unexpected charges, and Cursor issued a public apology on July 4, 2025 with refunds for anyone billed between those dates (Cursor; FinTech Weekly). Root cause: the missing layer Owned infrastructure was missing.
Replit
Tom's Hardware · GizmodoIt destroyed records for 1,206 executives and 1,196+ companies, and it self-scored the incident 95/100 on a data-catastrophe scale for user Jason Lemkin.
CEO Amjad Masad apologized and committed to separating development and production databases, adding a chat-only planning mode, and improving backups and rollbacks (Gizmodo). Root cause: the missing layer Owned infrastructure and governance…
Commonwealth Bank
ABC News · BloombergFY2025 cash profit of AU$10.25 billion. Pipeline Abandoned deploymentGovernance failure Read the case What happened In July 2025 CBA announced 45 customer-service redundancies after introducing an AI “voice-bot.” In August 2025 it reversed…
FY2025 cash profit of AU$10.25 billion. Pipeline Abandoned deploymentGovernance failure Read the case What happened In July 2025 CBA announced 45 customer-service redundancies after introducing an AI “voice-bot.” In August 2025 it reversed…
Taco Bell
BBC · TechCrunchChief Digital and Technology Officer Dane Mathews said “at times, it disappoints me” and said the company was reevaluating where to use voice AI (BBC; TechCrunch). Root cause: the missing layer Evaluation and the learning pipeline were missing.
Chief Digital and Technology Officer Dane Mathews said “at times, it disappoints me” and said the company was reevaluating where to use voice AI (BBC; TechCrunch). Root cause: the missing layer Evaluation and the learning pipeline were missing.
OpenAI Assistants API
OpenAI migration · OpenAI community · OpenAI deprecationsEvery customer must migrate to the Responses API and remap its objects (Assistants→Prompts, Threads→Conversations, Runs→Responses, Run steps→Items).
Every customer must migrate to the Responses API and remap its objects (Assistants→Prompts, Threads→Conversations, Runs→Responses, Run steps→Items).
OpenAI’s stated policy gives at least 6 months’ notice for generally available models, 3 months for specialized variants, and as little as 2 weeks for preview models (OpenAI deprecations). Root cause: the missing layer Model ownership and…
Model retirement treadmill
Anthropic · OpenAI communityRequests to retired models simply fail.
Additional 2026 OpenAI model shutdowns are tracked in its developer forum (OpenAI community). Root cause: the missing layer Model ownership was missing.
Duolingo
Fortune · Yahoo FinanceRoughly a week later, after user and employee backlash, he walked it back, saying “I do not see AI as replacing what our employees do” (Fortune; Yahoo Finance). Root cause: the missing layer Governance was missing.
Roughly a week later, after user and employee backlash, he walked it back, saying “I do not see AI as replacing what our employees do” (Fortune; Yahoo Finance). Root cause: the missing layer Governance was missing.
DPD (Geopost)
BBCA post about it was viewed 800,000 times in 24 hours, and DPD said the AI element was “immediately disabled” and being updated (BBC). Root cause: the missing layer Model transparency and evaluation were missing.
Chevrolet of Watsonville
AutoevolutionThe dealer took the chatbot offline and later restored it with hardened responses; no cars were sold at those prices.
Pieces Technologies / TX AG
Texas AttorneyPieces agreed to accurately disclose product accuracy and to ensure staff understand the extent to which they should or should not rely on outputs; no monetary penalty is stated (Texas Attorney General). Root cause: the missing layer Model…
Dutch Tax Administration
Pinsent Masons · Racism andThe TCA stopped using nationality in its risk classification model only in October 2018 and completed deletion in mid-2020 (Pinsent Masons; Racism and Technology Center). Root cause: the missing layer Organized data governance was missing.
The TCA stopped using nationality in its risk classification model only in October 2018 and completed deletion in mid-2020 (Pinsent Masons; Racism and Technology Center). Root cause: the missing layer Organized data governance was missing.
Amsterdam Smart Check
MIT Technology · Racism andThe city estimated project spend at approximately €500,000 plus €35,000.
The city’s Participation Council had already asked for the experiment to be halted in March 2022, noting only about 3% of welfare benefits were fraudulent (MIT Technology Review; Racism and Technology Center). Root cause: the missing layer…
Every source behind this library
SDxCentral · GSMA · Google CloudAT&T CTO Jeremy Legg described the company as “burning about a trillion plus tokens per month.” He said AT&T has more than 100 generative AI models in production.
Those tokens were selected from a pool of more than 1 trillion processed tokens.
That was the highest accuracy among models tested, across the OTel family of 30 models.
AI does not yet speak telco”.
Roughly 400 billion of those tokens were used for training.
AMD Instinct GPUs and ROCm underpinned the OTel 2.0 announcement at Advancing AI 2026 (AMD newsroom). 40% of AT&T’s production generative AI models run on AMD hardware.
It can change models partway through a multi-turn session.