Metric	Value	Source
Mixed-domain hallucination rate, frontier model with web search	>30%	HalluHard benchmark, EPFL, 2025 (arXiv:2602.01031)
Mixed-domain hallucination rate, frontier model without web search	>60%	HalluHard, EPFL, 2025
General-purpose LLM hallucination rate on high-stakes legal queries	69–88%	Stanford RegLab / HAI legal AI study, 2024
Purpose-built legal AI hallucination rate	17–34%	Stanford RegLab / HAI, 2024
Documented court decisions involving AI-hallucinated content (global)	>1,350 cases	Damien Charlotin AI Hallucination Cases Database, 2026
Largest US court sanction for AI hallucinations to date	USD 110,000 (Oregon, 2026)	ComplianceHub.Wiki, 2026
Deloitte refund to Australian government over hallucinated GPT-4o report	~USD 290,000	Futurism, 2025
Developers citing "almost-right but not quite" as biggest AI frustration	66% (n=49,000+)	Stack Overflow Developer Survey 2025
Developers who trust AI accuracy	29% (down from ~40% in 2024)	Stack Overflow, 2025

For regulated mid-market firms — legal, financial services, healthcare, accounting, TIC and environmental consulting — vertical applications with embedded retrieval, audit trails and human-in-the-loop guardrails are demonstrably easier to defend than horizontal copilots running on personal accounts.

6. Sector Spotlight: TIC, utilities/energy and environmental consulting

Mid-sized professional services firms occupy three sectors where specialised AI economics are particularly attractive — and where adoption runs well behind the cross-industry average.

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Metric	Value	Source
AI inspection market forecast by 2032	USD 102.42 billion	MarketsandMarkets, 2025
AI-powered certification services CAGR, 2025–2032	20.9%	MarketsandMarkets, 2025
Outsourced TIC delivery CAGR, 2025–2032	18.6%	MarketsandMarkets, 2025
Data-centre electricity consumption growth, 2024–2030	~15% per year (4× rest of demand)	IEA, Energy and AI, 2025
AI accelerated server demand growth, 2024–2030	~30% per year	IEA, Energy and AI, 2025
AI adoption in energy & utilities	33% (vs 42% cross-industry)	EY, US AI Pulse Survey, Dec 2025
Energy AI initiatives still in pilot stage