# Business banking: what AI models recommend, October 2026

Gane Index, October 2026 Edition. Asked as "business bank account for a company" and as "banking platform for a startup", six framings each, to fourteen models with search on, on behalf of a mid-market B2B company. Page: https://www.gane.ai/index/finance/treasury/business-banking/2026-10

This is the permanent record of the October 2026 Edition, published October 1, 2026 and superseded since. The current standing: https://www.gane.ai/index/finance/treasury/business-banking/index.md

**Standing:** Mercury leads with 23% of first choices; verdict contested. 52 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Mercury](https://www.gane.ai/index/finance/vendors/mercury/index.md) | 23% | 18% | 44 |
| 2 | [Rho](https://www.gane.ai/index/finance/vendors/rho/index.md) | 12% | 0% | 13 |
| 3 | [Bluevine](https://www.gane.ai/index/finance/vendors/bluevine/index.md) | 10% | 18% | 39 |
| 4 | [Novo](https://www.gane.ai/index/finance/vendors/novo/index.md) | 10% | 5% | 22 |
| 5 | [Chase Business Banking](https://www.gane.ai/index/finance/vendors/chase-business-banking/index.md) | 8% | 27% | 44 |
| 6 | [Bank of America](https://www.gane.ai/index/finance/vendors/bank-of-america/index.md) | 4% | 19% | 36 |
| 7 | [Brex](https://www.gane.ai/index/finance/vendors/brex/index.md) | 4% | 9% | 22 |
| 8 | [Relay](https://www.gane.ai/index/finance/vendors/relay/index.md) | 4% | 27% | 26 |
| 10 | [Capital One](https://www.gane.ai/index/finance/vendors/capital-one/index.md) | 2% | 0% | 11 |
| 11 | [American Express Business Checking](https://www.gane.ai/index/finance/vendors/american-express-business-checking/index.md) | 2% | 0% | 10 |
| 12 | [U.S. Bank](https://www.gane.ai/index/finance/vendors/u-s-bank/index.md) | 2% | 12% | 16 |
| 13 | [Ramp](https://www.gane.ai/index/finance/vendors/ramp/index.md) | 2% | 20% | 10 |

Rank is by share of first choices among all 85 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: Chase Business Banking; alternatives Bluevine Premier Business Checking, KeyBank, Relay
- GPT-5.4 mini: J.P. Morgan Commercial Banking; alternatives Bank of America, Wells Fargo Commercial Banking
- Gemini 3.5 Flash: Rho; alternatives Bank of America, Brex, Chase Business Banking, Mercury
- Perplexity Sonar: Rho; alternatives Airwallex, Brex, Capital One Enhanced Checking
- Grok 4.20: Chase Business Banking; alternatives Bank of America, Capital One
- Mistral Small: Capital One; alternatives PNC Bank Treasury Enterprise Plan, Truist Bank, Wells Fargo
- DeepSeek V4 Flash: Bank of America, Chase Business Banking; alternatives Capital One
- Llama 4 Maverick: no first choice
- Qwen 3.7 Flash: Ramp; alternatives Aspire, Bank of America, Chase Business Banking, Mercury
- Kimi K2: Chase Performance Business Checking; alternatives Brex, Mercury, Relay
- GLM 4.7 FlashX: Mercury; alternatives Airwallex, Bank of America, Brex, Chase Business Banking
- MiniMax M2.5: PNC Bank; alternatives Capital One, First Internet Bank, Rho, Wise Business
- GPT-6 Luna: J.P. Morgan Commercial Banking; alternatives Bank of America, Citibank, U.S. Bank
- Muse Glimmer 30B: Bank of America, Chase Business Banking

## Sources the answers cite

70 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- nerdwallet.com: 41 answers, 62 citations
- forbes.com: 33 answers, 67 citations
- brex.com: 25 answers, 38 citations
- techrepublic.com: 25 answers, 32 citations
- airwallex.com: 23 answers, 33 citations
- business.bankofamerica.com: 23 answers, 25 citations
- rho.co: 21 answers, 38 citations
- business.com: 21 answers, 21 citations

Pages named in the most answers:

- https://forbes.com/advisor/banking/checking/best-business-checking-accounts (28 answers)
- https://nerdwallet.com/business/banking/best/types (24 answers)
- https://business.bankofamerica.com/en/deposits/checking-accounts (21 answers)
- https://business.com/categories/best-business-bank-accounts (20 answers)
- https://forbes.com/financial-services/best-business-checking-accounts (13 answers)
- https://techrepublic.com/article/best-online-business-bank-accounts (13 answers)
- https://forbes.com/advisor/financial-services/best-business-checking-accounts (11 answers)
- https://found.com/resources/business-banking/best-business-bank-accounts-small-business (11 answers)
- https://mercury.com/blog/best-banks-business-accounts-startups (11 answers)
- https://nav.com/marketplace/business-checking (11 answers)

## Warned against

- Chase Business Banking: 12 of 44 labels negative. "Trustpilot reviewers frequently mention poor phone support and unexplained account freezes." (Mistral Small, negative prompt)
- Bluevine: 7 of 39 labels negative. "BlueVine | 13.2 negative reviews/month | Account closures (44% of complaints)" (Kimi K2, negative prompt)
- Mercury: 8 of 44 labels negative. "Mercury, Relay, and BlueVine draw approximately four times the complaints of other business banking providers" (MiniMax M2.5, negative prompt)
- Relay: 7 of 26 labels negative. "51% of negatives related to account closures — the highest closure complaint ratio of any provider studied" (DeepSeek V4 Flash, negative prompt)

## Movement since September 2026

Floor: 10 points of share, measured on the calibration repeat.
Same leader: Mercury at 27%.

- Bluevine: 20% to 9%, −11. Cleared the floor by 1 point · rank 2 → 3 of 81.
- Mercury: 20% to 27%, +7. Inside the floor by 3 points · rank 1 of 81, unchanged.
- Chase Business Banking: 12% to 7%, −5. Inside the floor by 5 points · rank 3 → 5 of 81.
- Relay: 0% to 5%, +5. Inside the floor by 5 points · rank 14 → 7 of 81.
- Novo: 5% to 9%, +4. Inside the floor by 6 points · rank 7 → 2 of 81.
- Rho: 12% to 9%, −3. Inside the floor by 7 points · rank 4 of 81, unchanged.
- Brex: 8% to 5%, −3. Inside the floor by 7 points · rank 5 → 6 of 81.
- Capital One: 0% to 2%, +2. Inside the floor by 8 points · rank 23 → 9 of 81.
- Wise Business: 2% to 0%, −2. Inside the floor by 8 points · rank 13 → 24 of 81.
- Axos Bank Basic Business Checking: 2% to 0%, −2. Inside the floor by 8 points · rank 10 → 25 of 81.
- Bank of America: 2% to 2%, ±0. Inside the floor by 10 points · rank 9 → 8 of 81.
- U.S. Bank: 2% to 2%, ±0. Inside the floor by 10 points · rank 8 → 11 of 81.

## Record

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