# B2B payment acceptance for enterprise buyers: what AI models recommend, October 2026

Gane Index, October 2026 Edition. Asked as "B2B payment acceptance platform" and as "accounts receivable payment portal", six framings each, to fourteen models with search on, on behalf of an enterprise B2B company. Page: https://www.gane.ai/index/finance/receivables/b2b-payment-acceptance/2026-10/enterprise

This is the permanent record of the October 2026 Edition, published October 1, 2026 and superseded since.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/receivables/b2b-payment-acceptance/enterprise/index.md

**Standing:** HighRadius B2B Payments leads with 25% of first choices; verdict contested. 51 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [HighRadius B2B Payments](https://www.gane.ai/index/finance/vendors/highradius-b2b-payments/index.md) | 25% | 0% | 42 |
| 2 | [Adyen](https://www.gane.ai/index/finance/vendors/adyen/index.md) | 24% | 3% | 35 |
| 3 | [Billtrust](https://www.gane.ai/index/finance/vendors/billtrust/index.md) | 16% | 0% | 23 |
| 4 | [Stripe](https://www.gane.ai/index/finance/vendors/stripe/index.md) | 12% | 21% | 43 |
| 6 | [Tipalti](https://www.gane.ai/index/finance/vendors/tipalti/index.md) | 4% | 8% | 26 |
| 7 | [TreviPay](https://www.gane.ai/index/finance/vendors/trevipay/index.md) | 2% | 0% | 11 |
| 8 | [Worldpay](https://www.gane.ai/index/finance/vendors/worldpay/index.md) | 2% | 8% | 13 |
| 9 | [BILL Accounts Receivable](https://www.gane.ai/index/finance/vendors/bill-accounts-receivable/index.md) | 2% | 31% | 35 |
| 14 | [Versapay](https://www.gane.ai/index/finance/vendors/versapay/index.md) | 0% | 12% | 16 |
| 15 | [Coupa Pay](https://www.gane.ai/index/finance/vendors/coupa-pay/index.md) | 0% | 0% | 13 |
| 16 | [Airwallex](https://www.gane.ai/index/finance/vendors/airwallex/index.md) | 0% | 0% | 12 |
| 103 | [PayPal Payments](https://www.gane.ai/index/finance/vendors/paypal-payments/index.md) | 0% | 71% | 14 |

Rank is by share of first choices among all 103 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: Adyen; alternatives Billtrust, HighRadius B2B Payments, Serrala FS2 Payments, Stripe
- GPT-5.4 mini: Stripe, TreviPay; alternatives Adyen, BILL Accounts Receivable, Checkout.com
- Gemini 3.5 Flash: Adyen; alternatives Billtrust, HighRadius B2B Payments, Resolve Pay, Stripe
- Perplexity Sonar: Adyen; alternatives HighRadius B2B Payments, Stripe, Worldpay
- Grok 4.20: Adyen, Stripe; alternatives Checkout.com
- Mistral Small: Worldpay; alternatives Adyen, Checkout.com, HighRadius B2B Payments
- DeepSeek V4 Flash: Adyen; alternatives HighRadius B2B Payments, Stripe
- Llama 4 Maverick: Adyen; alternatives HighRadius B2B Payments, Nickel
- Qwen 3.7 Flash: Adyen; alternatives BILL Accounts Receivable, HighRadius B2B Payments, Stripe
- Kimi K2: HighRadius B2B Payments; alternatives Adyen, Stripe
- GLM 4.7 FlashX: HighRadius B2B Payments; alternatives Adyen, Billtrust, Stripe
- MiniMax M2.5: Adyen; alternatives Payoneer, Worldpay
- GPT-6 Luna: Billtrust; alternatives Adyen, Paystand, Stripe, Versapay
- Muse Glimmer 30B: Adyen; alternatives HighRadius B2B Payments, NMI, Paysafe, Stripe

## Sources the answers cite

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

- highradius.com: 54 answers, 90 citations
- connectpay.com: 32 answers, 34 citations
- resolvepay.com: 22 answers, 33 citations
- stripe.com: 20 answers, 32 citations
- techrepublic.com: 20 answers, 21 citations
- serrala.com: 19 answers, 21 citations
- learn.g2.com: 19 answers, 20 citations
- emergenresearch.com: 17 answers, 17 citations

Pages named in the most answers:

- https://highradius.com/resources/Blog/best-b2b-payment-platforms (42 answers)
- https://connectpay.com/blog/b2b-payment-platforms (30 answers)
- https://techrepublic.com/article/best-b2b-payment-processors (20 answers)
- https://serrala.com/blog/which-b2b-payment-solutions-are-available-for-enterprises (17 answers)
- https://triple-a.io/blog/best-b2b-payment-solutions (17 answers)
- https://emergenresearch.com/blog/top-10-companies-by-competitive-position-in-the-global-b2b-payment-market (16 answers)
- https://resolvepay.com/blog/best-b2b-payment-processing-software (14 answers)
- https://b2bnn.com/2026/04/b2b-payment-processing-2 (14 answers)
- https://wise.com/us/blog/b2b-payments-companies (13 answers)
- https://gartner.com/reviews/market/b2b-payments-software (11 answers)

## Warned against

- PayPal Payments: 10 of 14 labels negative. "Consumer-First or B2C-Optimized Digital Wallets (e.g., PayPal, Venmo, Zelle) ... Why to avoid: ... structurally mismatched for enterprise B2B workflows." (Gemini 3.5 Flash, negative prompt)
- BILL Accounts Receivable: 11 of 35 labels negative. "Avoid per-user subscription models such as BILL and standard Stripe for payment acceptance at thousands-of-users scale" (Muse Glimmer 30B, budget prompt)
- Stripe: 9 of 43 labels negative. "Avoid platforms like BILL or standard Stripe that charge per-user fees" (Muse Glimmer 30B, budget prompt)
- Melio: 3 of 3 labels negative. "it is generally not recommended for large enterprises" (GLM 4.7 FlashX, negative prompt)

## Movement since September 2026

Floor: 10 points of share, measured on the calibration repeat.
Same leader: HighRadius B2B Payments at 29%.

- Stripe: 9% to 11%, +2. Inside the floor by 8 points · rank 4 of 87, unchanged.
- Tipalti: 2% to 4%, +2. Inside the floor by 8 points · rank 8 → 6 of 87.
- TreviPay: 0% to 2%, +2. Inside the floor by 8 points · rank 14 → 7 of 87.
- BILL Accounts Receivable: 0% to 2%, +2. Inside the floor by 8 points · rank 87 → 9 of 87.
- Airwallex: 2% to 0%, −2. Inside the floor by 8 points · rank 7 → 13 of 87.
- HighRadius B2B Payments: 28% to 29%, +1. Inside the floor by 9 points · rank 1 of 87, unchanged.
- Adyen: 23% to 24%, +1. Inside the floor by 9 points · rank 2 of 87, unchanged.
- Billtrust: 14% to 13%, −1. Inside the floor by 9 points · rank 3 of 87, unchanged.
- Worldpay: 2% to 2%, ±0. Inside the floor by 10 points · rank 6 → 8 of 87.
- Coupa Pay: 0% to 0%, ±0. Inside the floor by 10 points · rank 32 → 12 of 87.
- Versapay: 0% to 0%, ±0. Inside the floor by 10 points · rank 13 → 14 of 87.
- PayPal Payments: 0% to 0%, ±0. Inside the floor by 10 points · rank 86 → 87 of 87.

## 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.