Business banking · September 2026 Edition
Chase Business Banking vs Brex
Five of twelve models named Chase Business Banking first on the direct prompt; two named Brex. Both were named by all twelve models and Chase Business Banking carries 42 labels and Brex 24, so the shares are not directly comparable.
Named in one category this edition.
Named in twelve categories this edition.
First-choice share12%8%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate14%8%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#5A position in a field of 13; printed, not drawn.
Labels4224A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Chase Business Banking reading right to left. Rank and label count are printed, not drawn.Mercury vs Chase Business Banking · Mercury vs Brex · Bluevine vs Chase Business Banking
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve 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 twelve models made each the first choice, per way of asking, and how many argued against it.
Chase Business BankingFirst choices, of twelve modelsBrex
Direct52
Paraphrase011 against Chase Business Banking · 1 against Brex
Comparative20
Budget-constrained003 against Chase Business Banking
Scale-constrained00
Negative102 against Chase Business Banking · 1 against Brex
Bars are first choices, 0 to 12 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to twelve.
Every model, every framing
The seventy-two answers behind the chart above, one cell each: where Chase Business Banking and Brex 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 4.1 Fast | | | | | | |
| Mistral Small | | |||||
| DeepSeek V4 Flash | | | | | ||
| Llama 4 Maverick | ||||||
| Qwen 3.7 Flash | | | | |||
| Kimi K2 | | | | | ||
| GLM 4.7 FlashX | | | | |||
| MiniMax M2.5 | |
Chase Business Banking Brex first choice named as an alternative argued againstblank: not namedEach cell is one answer, Chase Business Banking on the left and Brex on the right.The direct prompt
The plain question, one answer per model, grouped by where Chase Business Banking and Brex stood in it.
Chase Business Banking first, Brex an alternative
5 of 12 modelsBrex was named in the answer but not as the choice, or not at all.GPT-5.4 miniChase Business Banking alternatives: Bank of America, TD Bank, U.S. Bank
Grok 4.1 FastBank of America, Chase Business Banking alternatives: Brex, PNC Bank, Rho
Kimi K2Chase Business Banking, Mercury alternatives: Brex, First Internet Bank
GLM 4.7 FlashXChase Business Banking alternatives: Airwallex, Qonto, Wise Business
MiniMax M2.5Chase Business Banking alternatives: Airwallex, Bank of America, Barclays, HSBC, Mercury, NatWest, Rho, Silicon Valley Bank, Wells Fargo
Brex first, Chase Business Banking an alternative
2 of 12 modelsChase Business Banking was named in the answer but not as the choice, or not at all.Claude Haiku 4.5Brex alternatives: Airwallex, Chase Business Banking, U.S. Bank
DeepSeek V4 FlashBrex alternatives: Bank of America, Chase Business Banking, HSBC, Mercury, Relay, U.S. Bank, Wells Fargo
Neither was the first choice, one was named
3 of 12 modelsThe answer put something else first and named one of the two as an alternative.Gemini 3.5 FlashRho alternatives: Bank of America, Brex, Chase Business Banking, Fifth Third Bank, Mercury, PNC Bank
Perplexity SonarRho alternatives: Bluevine, Brex, Relay
Qwen 3.7 FlashBluevine alternatives: Airwallex, Chase Business Banking, Relay
Neither was named
2 of 12 modelsThe answer made no first choice from these two in this category.Mistral SmallAxos Bank, PNC Bank alternatives: First Internet Bank, Revolut Business, Wise Business
Llama 4 Maverickno first choice
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
Level: the same share of first choices.
Chase Business Banking4%#7 of 11Brex4%#6 of 11Mid-marketThe figures above
Chase Business Banking leads by five points.
Chase Business Banking12%#3 of 13Brex8%#5 of 13Enterprise
The order flips: Brex leads at enterprise.
Brex18%#2 of 11Chase Business Banking16%#3 of 11What the models said about Chase Business Banking
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Avoid traditional banks (e.g., Chase) for mid-sized startups—they lack fintech speed/tools.” Grok 4.1 Fast · paraphrase prompt · hard negative
“Avoid big banks like Chase (waivable but complex fees).” Grok 4.1 Fast · budget prompt · hard negative
“may be better even though it usually costs more; Chase's Business Complete account has a $15 monthly fee” Perplexity Sonar · budget prompt · soft negative
“If your business is a local storefront, restaurant, or contractor handling physical cash, stick to Chase or Bank of America.” Gemini 3.5 Flash · comparative prompt · first choice
“Mercury or Chase are the safest starting points—Mercury for speed and tech, Chase for lending and relationship depth.” Kimi K2 · direct prompt · first choice
“The largest commercial bank in the U.S. with the highest number of business accounts... Choose a National Bank (Chase/BofA)” Qwen 3.7 Flash · comparative prompt · first choice
What the models said about Brex
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of three in this category shown.
“Brex abruptly decided to stop servicing traditional small businesses, giving tens of thousands ... just 60 days to move their funds” Gemini 3.5 Flash · negative prompt · hard negative
“Brex is best if you run a mid-market company and want a corporate card plus treasury and vault services in one platform.” Claude Haiku 4.5 · direct prompt · first choice
“Brex offers both banking and corporate card services designed for venture-backed startups and mid-market companies” Claude Haiku 4.5 · paraphrase prompt · first choice
Also compared
Mercury vs Chase Business BankingMercury vs BrexBluevine vs Chase Business BankingBluevine vs BrexChase Business Banking vs RhoChase Business Banking vs NovoChase Business Banking vs U.S. BankChase Business Banking vs Bank of AmericaRho vs BrexBrex vs NovoBrex vs U.S. BankBrex 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.