Business banking · November 2026 Edition
Rho vs American Express Business Checking
Zero of fourteen models named Rho first on the direct prompt; zero named American Express Business Checking. Rho was named by eleven of the fourteen models and American Express Business Checking by eleven and Rho carries 18 labels and American Express Business Checking 16, so the shares are not directly comparable.
Named in six categories this edition.
Named in one category this edition.
First-choice share8%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate11%6%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#6A position in a field of 16; printed, not drawn.
Labels1816A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Rho reading right to left. Rank and label count are printed, not drawn.Mercury vs Rho · Mercury vs American Express Business Checking · Bluevine vs Rho
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the business banking page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
RhoFirst choices, of fourteen modelsAmerican Express Business Checking
Direct001 against Rho
Paraphrase40
Comparative00
Budget-constrained01
Scale-constrained00
Negative001 against Rho · 1 against American Express Business Checking
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Rho and American Express Business Checking stood in it.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | ||||
| GPT-5.4 mini | | | | |||
| Gemini 3.5 Flash | | |||||
| Perplexity Sonar | | | | | ||
| Grok 4.20 | | | ||||
| Mistral Small | | |||||
| DeepSeek V4 Flash | | | | |||
| Llama 4 Maverick | | | ||||
| Qwen 3.7 Flash | | |||||
| Kimi K2 | ||||||
| GLM 4.7 FlashX | | |||||
| MiniMax M2.5 | | | ||||
| GPT-6 Luna | | | ||||
| Muse Glimmer 30B | | |
Rho American Express Business Checking first choice named as an alternative argued againstblank: not namedEach cell is one answer, Rho on the left and American Express Business Checking on the right.The direct prompt
The plain question, one answer per model, grouped by where Rho and American Express Business Checking stood in it.
Neither was the first choice, one was named
3 of 14 modelsThe answer put something else first and named one of the two as an alternative.Perplexity SonarChase Commercial Banking alternatives: Airwallex, Bank of America, Brex, Mercury, Ramp, Rho, U.S. Bank
DeepSeek V4 FlashChase Performance Business Checking alternatives: Capital One Enhanced Checking, KeyBank Business Reward Checking, Mercury, PNC Bank, Rho
MiniMax M2.5Chase Performance Business Checking alternatives: American Express Business Checking, Mercury, PNC Bank, TD Business Premier Checking
Neither was named
11 of 14 modelsThe answer made no first choice from these two in this category.Claude Haiku 4.5Brex alternatives: Chase Business Banking, Mercury, Relay
GPT-5.4 miniJ.P. Morgan Commercial Banking alternatives: Bank of America
Gemini 3.5 FlashJPMorgan Chase – Middle Market Banking & Specialized Industries alternatives: Bank of America Global Commercial Banking, Brex, PNC Bank – Treasury Management, Ramp, Silicon Valley Bank, Wells Fargo – Commercial Banking
Grok 4.20Bank of America alternatives: Bluevine, Brex, Chase Business Banking, Citibank, Mercury, PNC Bank, Texas Capital Bank
Mistral SmallPNC Bank, TD Business Premier Checking alternatives: Axos Bank Basic Business Checking, Capital One Business Savings & Checking, Chase Business Banking
Llama 4 Maverickno first choice
Qwen 3.7 FlashCamber, Mercury alternatives: Bank of America Business Advantage Fundamentals, Signature Bank, TD Bank Business Checking, Umpqua Bank
Kimi K2Brex alternatives: Bank of America, First Internet Bank, Mercury
GLM 4.7 FlashXBank of America - Business Advantage 360, PNC Bank - Treasury Enterprise Plan alternatives: Chase - Performance Business Checking, First Internet Bank - Commercial Analyzed Checking, Frost Business Checking Plus
GPT-6 LunaJ.P. Morgan Commercial Banking alternatives: Bank of America, Citibank
Muse Glimmer 30BPNC Bank alternatives: Bank of America, Brex, First Internet Bank
Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
American Express Business Checking leads by four points.
American Express Business Checking6%#5 of 14Rho2%#– of 14Mid-marketThe figures above
The order flips: Rho leads at mid-market.
Rho8%#4 of 16American Express Business Checking2%#6 of 16Enterprise
Rho leads by fourteen points.
Rho14%#2 of 13American Express Business Checking0%#– of 13What the models said about Rho
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.
“they're usually not a full substitute for a mid-market commercial banking relationship” GPT-5.4 mini · direct prompt · soft negative
“deserve extra due diligence rather than automatic avoidance” Perplexity Sonar · negative prompt · soft negative
“I'd shortlist Rho first. It combines business checking with accounts payable, corporate cards, expense management, and accounting integrations” GPT-6 Luna · paraphrase prompt · first choice
“Rho is positioned as the strongest fit for venture-backed startups and is built to grow without switching providers.” Muse Glimmer 30B · paraphrase prompt · first choice
“For venture-backed startups and mid-market companies, Rho is the strongest fit” Claude Haiku 4.5 · paraphrase prompt · first choice
What the models said about American Express Business Checking
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“American Express: It has received two enforcement orders in October 2026.” Llama 4 Maverick · negative prompt · hard negative
“The best business bank account for a company with a limited budget is Amex Business Checking” Llama 4 Maverick · budget prompt · first choice
“good for those looking to get a simple low-cost business checking account and do most of their business online” Claude Haiku 4.5 · budget prompt · alternative
“Choose American Express for straightforward online checking plus customer support and interest.” Perplexity Sonar · comparative prompt · alternative
Also compared
Mercury vs RhoMercury vs American Express Business CheckingBluevine vs RhoBluevine vs American Express Business CheckingBrex vs RhoBrex vs American Express Business CheckingRho vs PNC BankRho vs Axos Bank Basic Business CheckingRho vs Bank of AmericaPNC Bank vs American Express Business CheckingAmerican Express Business Checking vs Axos Bank Basic Business CheckingAmerican Express Business Checking vs Bank of AmericaAll twenty-eight head-to-head pages and the full business banking standing
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.