# Enterprise AI Deployments Keep Failing on Data Access, Not on Model Quality

Vendor case studies show real productivity gains in narrow professional workflows, while practitioners report that hallucinations in corporate deployments usually trace back to the data layer.

- Published: 2026-08-08T06:26:48.459Z
- Canonical: https://polylog.news/ai/2026-08-08/enterprise-ai-deployments-keep-failing-on-data-access-not-on
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [OpenAI](https://openai.com/index/hsp-gruppe), [Polylog editors](https://polylog.news), [Anthropic](https://www.anthropic.com/news/claude-opus-5)

OpenAI published a customer account describing how HSP GRUPPE, a German tax advisory firm, uses ChatGPT Enterprise to increase capacity in client service work. It is vendor-produced material and should be read as such, but the shape of the…

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