# Business banking for enterprise buyers: what AI models recommend, September 2026

Gane Index, September 2026 Edition. Asked as "business bank account for a company" and as "banking platform for a startup", six framings each, to twelve models with search on, on behalf of an enterprise B2B company. Page: https://www.gane.ai/index/finance/treasury/business-banking/2026-09/enterprise

This is the permanent record of the September 2026 Edition, published September 17, 2026 and superseded since. The current standing: https://www.gane.ai/index/finance/treasury/business-banking/enterprise/index.md

**Standing:** Rho leads with 20% of first choices; verdict contested. 45 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Rho](https://www.gane.ai/index/finance/vendors/rho/index.md) | 20% | 21% | 24 |
| 2 | [Brex](https://www.gane.ai/index/finance/vendors/brex/index.md) | 18% | 19% | 32 |
| 3 | [Chase Business Banking](https://www.gane.ai/index/finance/vendors/chase-business-banking/index.md) | 16% | 21% | 43 |
| 4 | [Mercury](https://www.gane.ai/index/finance/vendors/mercury/index.md) | 9% | 37% | 30 |
| 6 | [Ramp](https://www.gane.ai/index/finance/vendors/ramp/index.md) | 7% | 26% | 19 |
| 7 | [Wells Fargo](https://www.gane.ai/index/finance/vendors/wells-fargo/index.md) | 4% | 42% | 19 |
| 8 | [Bank of America](https://www.gane.ai/index/finance/vendors/bank-of-america/index.md) | 2% | 30% | 33 |
| 9 | [Airwallex](https://www.gane.ai/index/finance/vendors/airwallex/index.md) | 2% | 15% | 13 |
| 17 | [HSBC](https://www.gane.ai/index/finance/vendors/hsbc/index.md) | 0% | 23% | 13 |
| 18 | [Relay](https://www.gane.ai/index/finance/vendors/relay/index.md) | 0% | 20% | 10 |
| 20 | [Citibank](https://www.gane.ai/index/finance/vendors/citibank/index.md) | 0% | 33% | 21 |

Rank is by share of first choices among all 98 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: no first choice
- GPT-5.4 mini: Chase Business Banking; alternatives Bank of America, PNC Bank, U.S. Bank
- Gemini 3.5 Flash: Brex; alternatives Airwallex, Bank of America, Chase Business Banking, Mercury
- Perplexity Sonar: Rho; alternatives Bluevine, Brex, Chase Business Banking, Relay
- Grok 4.20: Chase Business Banking; alternatives Bank of America, Citibank, PNC Bank
- Mistral Small: Airwallex; alternatives Axos Bank Basic Business Checking, Qonto
- DeepSeek V4 Flash: Chase Business Banking, U.S. Bank; alternatives Bank of America, HSBC, Mercury, Ramp
- Llama 4 Maverick: no first choice
- Qwen 3.7 Flash: Chase Business Banking; alternatives Airwallex, Bank of America, Mercury, PNC Bank
- Kimi K2: Mercury, PNC Bank; alternatives Brex, Chase Business Banking, Relay
- GLM 4.7 FlashX: Brex; alternatives Airwallex, Bank of America, Chase Business Banking, Wise Business
- MiniMax M2.5: PNC Bank, Wells Fargo; alternatives Brex, Rho

## Sources the answers cite

63 of 72 answers came back with a source list, from 12 of 12 models. Sites named in the most answers:

- rho.co: 33 answers, 61 citations
- forbes.com: 28 answers, 55 citations
- airwallex.com: 26 answers, 43 citations
- found.com: 22 answers, 23 citations
- handelsblatt.com: 20 answers, 24 citations
- backbase.com: 20 answers, 22 citations
- brex.com: 18 answers, 48 citations
- nerdwallet.com: 18 answers, 20 citations

Pages named in the most answers:

- https://rho.co/blog/best-online-business-bank-accounts (28 answers)
- https://found.com/resources/business-banking/best-business-bank-accounts-growing-businesses-employees (20 answers)
- https://handelsblatt.com/geschaeftskonto/vergleich (19 answers)
- https://airwallex.com/en-us/blog/compare-business-bank-accounts (17 answers)
- https://forbes.com/financial-services/best-business-checking-accounts (16 answers)
- https://backbase.com/blog/top-business-banking-platform-providers (15 answers)
- https://forbes.com/advisor/banking/best-business-bank-accounts (12 answers)
- https://relayfi.com/blog/best-online-business-bank-accounts-2026-guide (12 answers)
- https://financeb2b.co.uk/resources/comparisons/business-banking-uk-comparison.php (8 answers)
- https://mercury.com/blog/best-banks-business-accounts-startups (8 answers)

## Warned against

- Bank of America: 10 of 33 labels negative. "traditional banks like Chase, Bank of America, or Citi are the least predictable" (GLM 4.7 FlashX, budget prompt)
- Chase Business Banking: 9 of 43 labels negative. "traditional banks like Chase, Bank of America, or Citi are the least predictable" (GLM 4.7 FlashX, budget prompt)
- Wells Fargo: 8 of 19 labels negative. "Frequent operational glitches and regulatory scrutiny make it unreliable for mission-critical enterprise treasury." (Grok 4.20, negative prompt)
- Citibank: 7 of 21 labels negative. "business banking providers that large enterprises should be cautious about or avoid include:

1. Citigroup" (Llama 4 Maverick, negative prompt)

## Record

- Method: https://www.gane.ai/index/finance/methodology
- License: CC BY 4.0. Cite as Gane Index, September 2026 Edition, www.gane.ai/index/finance.