# Credit Key vs Billie: which do AI models recommend for B2B BNPL and terms, October 2026

Finance AI Recommendation Index, October 2026 Edition, B2B BNPL and net terms. Three of fourteen models named Credit Key first on the direct prompt; two named Billie. Page: https://finance-ai-index.com/receivables/b2b-bnpl-and-net-terms/credit-key-vs-billie/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Credit Key | 14% | #2 of 12 | 0% | 28 | 13 of 14 |
| Billie | 5% | #3 of 12 | 8% | 24 | 13 of 14 |

## The direct prompt, model by model

- GLM 4.7 FlashX: both first (first choices: Billie, Credit Key) (alternatives: Resolve Pay, TreviPay)
- Perplexity Sonar: credit key first (first choices: Credit Key) (alternatives: Billie, Hokodo)
- Grok 4.1 Fast: credit key first (first choices: Credit Key, Resolve Pay) (alternatives: Billie, Mondu, TreviPay)
- Mistral Small: billie first (first choices: Billie, Mondu) (alternatives: Fundbox, Resolve Pay, Two)
- Claude Haiku 4.5: neither first, one named (first choices: Resolve Pay) (alternatives: Billie, Hokodo, Mondu, TreviPay)
- DeepSeek V4 Flash: neither first, one named (first choices: Resolve Pay) (alternatives: Balance, Credit Key, Mondu, Slope, TreviPay)
- Qwen 3.7 Flash: neither first, one named (first choices: Fundbox, Resolve Pay) (alternatives: Balance, Credit Key, TreviPay)
- MiniMax M2.5: neither first, one named (first choices: Resolve Pay) (alternatives: Balance, Billie, Mondu, TreviPay)
- GPT-6 Luna: neither first, one named (first choices: Resolve Pay) (alternatives: Credit Key, TreviPay)
- Muse Glimmer 30B: neither first, one named (first choices: Resolve Pay) (alternatives: Billie, Mondu, TreviPay, Unzer)
- GPT-5.4 mini: neither named (first choices: Resolve Pay) (alternatives: Billtrust, Invoiced, TreviPay)
- Gemini 3.5 Flash: neither named (first choices: Resolve Pay) (alternatives: Balance, Hokodo, Mondu, Slope, TreviPay)
- Llama 4 Maverick: neither named
- Kimi K2: neither named (first choices: Resolve Pay) (alternatives: Two)

## What the models said about Credit Key

- "Start with Credit Key or Resolve Pay if you're a US-based mid-market e-com or supplier—Credit Key for quick e-commerce embeds" (Grok 4.1 Fast, direct prompt, first choice)
- "I'd recommend starting with Billie if you operate in Europe or Credit Key if you're US-focused." (GLM 4.7 FlashX, direct prompt, first choice)
- "the best B2B BNPL provider is usually Credit Key if you need a true B2B-focused option" (Perplexity Sonar, budget prompt, first choice)

## What the models said about Billie

- "Some users report that additional business verification is normal but adds friction... Some customers report slow or inflexible support handling." (Muse Glimmer 30B, negative prompt, soft negative)
- "be wary if you have complex billing structures, frequent entity changes, or need fast, flexible dispute resolution" (DeepSeek V4 Flash, negative prompt, soft negative)
- "I'd recommend starting with Billie if you operate in Europe or Credit Key if you're US-focused." (GLM 4.7 FlashX, direct prompt, first choice)
- "Mondu and Billie are the top choices due to their B2B specialization and flexibility" (Mistral Small, direct prompt, first choice)
- "Only work with 100% non-recourse providers (such as Resolve, Billie, or Two)." (Gemini 3.5 Flash, negative prompt, first choice)

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. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.