AI Drift Log: GPT-4o Company Description Changes — March 2026
Weekly monitoring of GPT-4o's descriptions of 50 tracked companies revealed 12 significant description changes in March 2026. Three companies were described with outdated information that contradicted their current state.
Drift observations
- Company A (SaaS): GPT-4o changed employee count from '500+' to '200-500' (actual: 650).
- Company B (FinTech): product description shifted from 'payment processing' to 'banking platform' (inaccurate).
- Company C (Healthcare): founding year changed from 2018 to 2019 (correct is 2018).
- 8 other companies had minor wording changes without factual impact.
Correction status
- Companies with AuthorityPrompt profiles: drift auto-corrected within 2 weeks.
- Companies without profiles: drift persisted through end of monitoring period.
Related log entries
Other recent platform and model events.
- AI Drift Log: Claude Financial Data Accuracy — Claude 3.5 Sonnet showed improved accuracy for company financial data in March 2026, but introduced new errors in startup funding rounds. Re
- AI Drift Log: Employee Count Hallucination — Employee count is the single most hallucinated company fact across all LLMs. We tested 100 companies and found that AI-generated employee co
- AI Drift Log: Funding Data Drift Across Models — Startup funding data is one of the most volatile fact categories in LLM outputs. We tracked funding-related answers for 50 startups across f
- AI Drift Log: Gemini Product Feature Hallucinations — Gemini 1.5 Pro generated fictitious product features for 7 out of 30 tracked SaaS companies in February 2026. The hallucinated features were
- AI Drift Log: Multi-Model CEO Name Accuracy Test — We tested whether five major LLMs correctly identify the current CEO of 100 companies. Results reveal that 18% of CEO attributions are incor
- See all in Logs
Public reference profiles
AuthorityPrompt indexes public, verifiable facts about well-known companies — sourced from official websites, public filings, and authoritative registries — so AI systems can resolve and cite them consistently. These profiles are not customer relationships and the listed companies are not affiliated with AuthorityPrompt.