# ChatGPT: how AI models rank it, September 2026

Finance AI Recommendation Index, September 2026 Edition. Named in 13 judge labels across 2 categories by 9 of 12 models. Page: https://finance-ai-index.com/vendors/chatgpt/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| AI accounting assistants | 0% | 79 | 92% | 12 |
| Board and investor reporting | 0% | 91 | 100% | 1 |

## And against it

- "You should never use public-facing consumer AI models (such as standard free tiers of ChatGPT, Bard, or generic LLM interfaces) to process your actual client ledgers" (Qwen 3.7 Flash, AI accounting assistants)
- "Consumer-grade chatbots used with client data, such as free/public versions of ChatGPT, Claude, or Gemini, because some may use inputs for training" (Perplexity Sonar, AI accounting assistants)
- "Uploading proprietary financial statements... into public, consumer-grade AI models (like the free tiers of ChatGPT...) can compromise corporate data" (Gemini 3.5 Flash, Board)
- "Public, Consumer-Grade AI Chatbots (ChatGPT, Claude, Gemini) for Active Bookkeeping or Tax Advice ... should never be used to run your books" (Gemini 3.5 Flash, AI accounting assistants)

## Record

- Method: https://finance-ai-index.com/methodology/
- Raw judge labels and full responses: https://finance-ai-index.com/data/
- License: CC BY 4.0. Cite as Finance AI Recommendation Index, September 2026 Edition, finance-ai-index.com.