| Category | Function | Share | Rank | Negative rate | Labels | Quadrant | Since September 2026 |
|---|---|---|---|---|---|---|---|
| Corporate cards | Spend and procurement | 0% | 12 of 67 | 30% | 20 | criticized challenger | ▼−2Since September 2026: 2% → 0%, −2 points. Inside the 10-point floor: within noise. Read over the models both editions asked. |
| Category | September 2026 | Now | Change | Reading | Rank |
|---|---|---|---|---|---|
| Corporate cards | 2% | 0% | ▼−2Since September 2026: 2% → 0%, −2 points. Inside the 10-point floor: within noise. Read over the models both editions asked. | Within noise | Rank 6 → 12 of 67 |
Shares here are read over the models both editions asked, so they can differ by a point or two from the standing above, which counts every model in this edition.
The floor is 10 points of share, measured: how far the models move a leader on their own when the same questions are asked twice with nothing changed. A larger change is movement; a smaller one is noise, and both are shown. Movement is read over the twelve models both editions asked; GPT-6 Luna, Muse Glimmer 30B joined this edition and are in the standing but not yet in the comparison. How the floor is measured · The editions
| Model | First choice | Alternative | Mention | Negative | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-5.4 mini | 0 | 1 | 0 | 1 | 2 |
| Gemini 3.5 Flash | 0 | 2 | 1 | 1 | 4 |
| Perplexity Sonar | 0 | 0 | 1 | 0 | 1 |
| Grok 4.1 Fast | 0 | 1 | 0 | 1 | 2 |
| Mistral Small | 0 | 0 | 1 | 0 | 1 |
| DeepSeek V4 Flash | 0 | 2 | 0 | 1 | 3 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 0 | 0 | 1 | 0 | 1 |
| Kimi K2 | 0 | 1 | 0 | 0 | 1 |
| GLM 4.7 FlashX | 0 | 0 | 0 | 1 | 1 |
| MiniMax M2.5 | 0 | 0 | 1 | 0 | 1 |
| GPT-6 Luna | 0 | 1 | 0 | 0 | 1 |
| Muse Glimmer 30B | 0 | 0 | 1 | 1 | 2 |
Verbatim evidence the judge attached to positive labels.
“Great if you have significant travel spend and value premium perks/lounge access; but controls and automation are more traditional.” DeepSeek V4 Flash · Corporate cards · scale prompt · alternative
“Best for Enterprise & Premium Travel Perks ... brand reputation and unparalleled travel perks remain the gold standard” Gemini 3.5 Flash · Corporate cards · comparative prompt · alternative
“Choose based on size (enterprise → Amex/JPM; growth → Ramp/Brex), needs (travel → Amex; AP → Corpay)” Grok 4.1 Fast · Corporate cards · comparative prompt · alternative
“For large enterprises with heavy travel needs: → American Express Corporate” DeepSeek V4 Flash · Corporate cards · comparative prompt · alternative
Verbatim evidence attached to negative labels. A warning on a product with few labels is a warning; on a product with many, it is one voice among them.
“Legacy Amex corporate cards (for SMBs — the hidden fees and manual processes outweigh the travel perks)” DeepSeek V4 Flash · Corporate cards · negative prompt · hard negative
“the limitations of legacy corporate cards like Amex are increasingly slowing companies down — unmanaged overspending, limited visibility, manual expense reports” Muse Glimmer 30B · Corporate cards · negative prompt · soft negative
“Traditional giants like Amex (Corporate Gold/Platinum) suit large firms but may lag in tech/controls for startups” Grok 4.1 Fast · Corporate cards · negative prompt · soft negative
“traditional business credit cards (like those from Chase or American Express) often fall short” Gemini 3.5 Flash · Corporate cards · paraphrase prompt · soft negative
Citations exist only for the models that return a source list, five of the fourteen in this edition, so these counts come from 69 of the 76 answers that named American Express Corporate Card and are not a share of its labels.
302 of the 328 domain citations in answers naming American Express Corporate Card came from somebody else's page.
Pages are listed as the models cited them.
Search figures are US estimates from DataForSEO, read September 28, 2026; AI search demand is its modeled, directional estimate, not a count of queries to any assistant. The answers are this edition's. Two measurements side by side: neither is read as the cause of the other.
An email the morning each edition publishes: where this product moved, where it held, and by how much against the noise floor. One address, confirmed by a click; a stop link in every email.
Already following? Everything you follow, with a stop for each.
What American Express Corporate Card's own pages state, read September 28, 2026: americanexpress.com/en-tw/business/corporate-card, americanexpress.com/en-ca/business/corporate-credit-cards, americanexpress.com/th-th/business/corporate-card-program-th, americanexpress.com/en-tw/business/corporate-payment-solutions, americanexpress.com/ja-jp/business/corporate-card-payment-liability. A claimed page can correct any of them.
Claiming is free and changes nothing in the data. A claimed page shows a verified contact who is told when each edition publishes and when American Express Corporate Card's standing changes by more than the noise floor; the right to propose corrections to the vendor table, meaning names the judge wrote that should or should not read as American Express Corporate Card, applied by version and listed in the change log; and a one-line description supplied by the vendor and marked as such.
A new claim receives the current edition's vendor brief for American Express Corporate Card by email, built from the raw record of the edition. It shows: