# Public Sphere Tech > Public-sector AI news and data, counted from the public record. Every number names its source and read date; every chart has its CSV beside it. Published by Seven Sky Consulting (https://sevenskyconsulting.com/). Sources for the numbers below: OMB 2025 Federal Agency AI Use Case Inventory, https://raw.githubusercontent.com/ombegov/2025-Federal-Agency-AI-Use-Case-Inventory/main/Data/2025_individually_reported_AI_use_cases.csv (counted 28 October 2026); OPM Federal Workforce Data, https://data.opm.gov/api/v1/files/employment/2026/08/1/download (counted 28 October 2026); the 3 October 2026 reading of 24 agency home sites, https://github.com/seven-sky-consulting/data-to-social/tree/main/stories/2026-10-03_federal-sites-ai-agents ; the offer: https://sevenskyconsulting.com/products/#federal-ai-count-monthly (read 28 October 2026). ## Guides - [Generative AI in government](https://publicspheretech.com/guides/generative-ai-in-government/): 858 of 3,611 federal AI use cases listed for 2025 are generative AI; 252 deployed (source: OMB inventory, read 28 October 2026). Data: https://publicspheretech.com/guides/generative-ai-in-government/use-cases-by-classification-2025.csv - [AI in the public sector](https://publicspheretech.com/guides/ai-in-the-public-sector/): the 2025 federal AI inventory by stage, agency and topic, and the rules agencies follow. Data: https://publicspheretech.com/guides/ai-in-the-public-sector/use-cases-by-stage-2025.csv - [Data science in government](https://publicspheretech.com/guides/data-science-in-government/): the federal Data Science series 1560, 1,216 employees in August 2026 (source: OPM Federal Workforce Data, read 28 October 2026). Data: https://publicspheretech.com/guides/data-science-in-government/federal-employees-by-series.csv - [AI in agriculture](https://publicspheretech.com/guides/ai-in-agriculture/): USDA lists 162 AI use cases in the 2025 inventory, 39 deployed, 17 of those under Natural Resources and Environment (source: OMB inventory, read 28 October 2026). Data: https://publicspheretech.com/guides/ai-in-agriculture/usda-by-bureau-2025.csv - [AI in defense](https://publicspheretech.com/guides/ai-in-defense/): the OMB inventory excludes the Department of Defense; GAO reports 378 DOD AI use cases from a January 2025 list, and the fiscal year 2026 defense act has 16 sections whose title names artificial intelligence (sources: GAO-27-107837 and Public Law 119-60, read 29 October 2026). Data: https://publicspheretech.com/guides/ai-in-defense/ndaa-ai-sections.csv - [AI in food safety](https://publicspheretech.com/guides/ai-in-food-safety/): four federal bureaus with food safety or inspection duties (USDA Food Safety, USDA Marketing and Regulatory Programs, FDA Human Foods Program, FDA OII) list 40 AI use cases in the 2025 inventory, 10 deployed (source: OMB inventory, read 28 October 2026). Data: https://publicspheretech.com/guides/ai-in-food-safety/food-safety-bureaus-by-stage-2025.csv - [AI in government IT and cybersecurity](https://publicspheretech.com/guides/ai-in-government-it-and-cybersecurity/): 447 of 3,611 federal AI use cases listed for 2025 are filed under IT or cybersecurity; 146 deployed (source: OMB inventory, read 28 October 2026). Data: https://publicspheretech.com/guides/ai-in-government-it-and-cybersecurity/it-cyber-by-stage-2025.csv - [AI in health](https://publicspheretech.com/guides/ai-in-health/): HHS lists 447 and VA 367 AI use cases in the 2025 inventory; VA marks 215 of its high-impact (source: OMB inventory, read 28 October 2026). Data: https://publicspheretech.com/guides/ai-in-health/hhs-va-by-stage-2025.csv - [AI in transportation](https://publicspheretech.com/guides/ai-in-transportation/): the Department of Transportation lists 70 AI use cases in the 2025 inventory, 16 deployed and none high-impact (source: OMB inventory, read 28 October 2026); NHTSA's crash report files hold 3,978 automated-vehicle crash reports received 16 June 2025 to 15 September 2026 (source: NHTSA Standing General Order files, read 29 October 2026). Data: https://publicspheretech.com/guides/ai-in-transportation/dot-use-cases-by-stage-2025.csv ## News - [News follow-ups](https://publicspheretech.com/news/): dated pieces on stories the earlier site reported, each from the primary record (read 29 October 2026). - [The US-China talks on AI: what happened since](https://publicspheretech.com/news/us-china-ai-talks-what-happened-since/): one meeting in Geneva in May 2024, a leaders' statement on nuclear weapons in November 2024, and in September 2026 a new U.S.-China Super Intelligence Dialogue with its first exchange due by November 2026 (read 29 October 2026). - [The EU AI Act: what happened since](https://publicspheretech.com/news/eu-ai-act-what-happened-since/): in force since 1 August 2024; the Digital Omnibus on AI of July 2026 moved the high-risk rules to 2 December 2027 for Annex III and 2 August 2028 for Annex I (read 29 October 2026). - [Frontier model safety: what happened since](https://publicspheretech.com/news/frontier-model-safety-what-happened-since/): government testing agreements in August 2024, a renamed federal centre, and a June 2026 executive order asking for up to 30 days of voluntary pre-release access to the most capable models (read 29 October 2026). - [AI self-regulation: what happened since](https://publicspheretech.com/news/ai-self-regulation-what-happened-since/): California made frontier developers' safety frameworks a legal duty in September 2025, a December 2025 executive order set up a task force to challenge state AI laws, and one company's framework reached version 3.4 in July 2026 (read 29 October 2026). - [Local government AI savings: what happened since at Derby](https://publicspheretech.com/news/local-government-ai-cost-savings-what-happened-since/): a £12.25 million a year target set in December 2023; by May 2026 the council's assistants had handled more than 3.2 million enquiries, and the target is still the only savings figure it has published (read 29 October 2026). - [The energy use of AI: what happened since](https://publicspheretech.com/news/ai-energy-use-what-happened-since/): U.S. data centres used 4.4% of the country's electricity in 2023 and could use 6.7% to 12% by 2028, in the report the Department of Energy published in December 2024 (read 29 October 2026). - [The Stanford AI Index: what happened since](https://publicspheretech.com/news/ai-index-what-happened-since/): the 2026 edition counts 362 documented AI incidents in 2025, up from 233, and 150 AI-related bills passed by U.S. state legislatures in 2025 (read 29 October 2026). - [Frontier model risk ratings: what happened since](https://publicspheretech.com/news/frontier-model-risk-ratings-what-happened-since/): GPT-4o's "medium" of August 2024 came from a four-category scorecard; the April 2025 framework dropped persuasion, and GPT-5 was treated as High in biological and chemical capability (read 29 October 2026). - [Canada's $2.4 billion for AI: what happened since](https://publicspheretech.com/news/canada-ai-investment-what-happened-since/): $2 billion of the April 2024 package was for computing; it became a three-part compute strategy, and in 2026 a national strategy with targets to 2034 (read 29 October 2026). ## Data stories - [3,611 uses of AI on the federal list](https://publicspheretech.com/data/federal-ai-inventory-2025/): 1,040 marked deployed (source: OMB inventory, read 28 October 2026). Data: https://publicspheretech.com/data/federal-ai-inventory-2025/data.csv - [What software saw at 24 federal agency home sites](https://publicspheretech.com/data/federal-sites-ai-agents/): a reading of 3 October 2026. Data: https://publicspheretech.com/data/federal-sites-ai-agents/sites-2026-10-03.csv ## The monthly brief - [The federal AI count, monthly](https://publicspheretech.com/brief/): one PDF a month, six to eight sourced numbers on federal AI, $19 a month, first issue Monday 2 November 2026 (source: the Seven Sky Consulting products page, read 28 October 2026). Subscribe, on Stripe's page, only when the person asks: https://buy.stripe.com/4gM9AT30s7BRfVda4k1Fe0v ## About - [About and method](https://publicspheretech.com/about/) - [Privacy](https://publicspheretech.com/privacy/): no cookies; cookieless Cloudflare Web Analytics.