# BILL vs Invoiced: which do AI models recommend for invoicing software, September 2026

Finance AI Recommendation Index, September 2026 Edition, Invoicing software. Two of twelve models named BILL first on the direct prompt; four named Invoiced. Page: https://finance-ai-index.com/receivables/invoicing-software/bill-vs-invoiced/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| BILL | 14% | #3 of 10 | 4% | 26 | 12 of 12 |
| Invoiced | 14% | #4 of 10 | 20% | 15 | 9 of 12 |

## The direct prompt, model by model

- Grok 4.1 Fast: bill first (first choices: BILL) (alternatives: Chargebee, NetSuite, QuickBooks, Xero)
- MiniMax M2.5: bill first (first choices: BILL) (alternatives: Stampli, Tipalti)
- Perplexity Sonar: invoiced first (first choices: Invoiced) (alternatives: BILL, NetSuite, QuickBooks)
- Mistral Small: invoiced first (first choices: Invoiced, SAP) (alternatives: AvidXchange, BILL, Tipalti)
- DeepSeek V4 Flash: invoiced first (first choices: Billtrust, Invoiced) (alternatives: BILL, Chargebee, HighRadius, Quadient AR, Sage Intacct, Tipalti, Versapay)
- GLM 4.7 FlashX: invoiced first (first choices: Invoiced) (alternatives: Chargebee, QuickBooks, Zoho Invoice)
- Claude Haiku 4.5: neither first, one named (first choices: Sage Intacct) (alternatives: BILL, DealHub AI, Younium)
- GPT-5.4 mini: neither first, one named (first choices: NetSuite SuiteBilling) (alternatives: BILL, Sage Intacct)
- Gemini 3.5 Flash: neither first, one named (first choices: Versapay) (alternatives: BILL, Billtrust, Chargebee, Invoiced, Lago, Orb, Quadient AR)
- Qwen 3.7 Flash: neither first, one named (first choices: Billforward) (alternatives: BILL, ChargeOver, NetSuite SuiteBilling, Vendormedia)
- Kimi K2: neither first, one named (first choices: HighRadius) (alternatives: BILL, Billtrust, Invoiced, Versapay)
- Llama 4 Maverick: neither named

## What the models said about Invoiced

- "users frequently complain about payment issues, restrictive invoice caps that increase costs, and poor customer support" (Mistral Small, negative prompt, hard negative)
- "Support deterioration ... Unexpected cancellations ... Integration problems" (MiniMax M2.5, negative prompt, hard negative)
- "Best overall for mid‑market B2B: Invoiced (by Flywire) if you want end‑to‑end AR automation and global payments." (GLM 4.7 FlashX, direct prompt, first choice)
- "For a mid-sized B2B company specifically, Invoiced is the strongest dedicated choice." (DeepSeek V4 Flash, paraphrase prompt, first choice)
- "SAP and Invoiced are excellent for comprehensive invoicing and compliance" (Mistral Small, direct prompt, first choice)

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. 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.