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

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

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Wave | 19% | #1 of 10 | 23% | 35 | 12 of 12 |
| Invoiced | 14% | #4 of 10 | 20% | 15 | 9 of 12 |

## The direct prompt, model by model

- 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)
- Gemini 3.5 Flash: neither first, one named (first choices: Versapay) (alternatives: BILL, Billtrust, Chargebee, Invoiced, Lago, Orb, Quadient AR)
- Kimi K2: neither first, one named (first choices: HighRadius) (alternatives: BILL, Billtrust, Invoiced, Versapay)
- Claude Haiku 4.5: neither named (first choices: Sage Intacct) (alternatives: BILL, DealHub AI, Younium)
- GPT-5.4 mini: neither named (first choices: NetSuite SuiteBilling) (alternatives: BILL, Sage Intacct)
- Grok 4.1 Fast: neither named (first choices: BILL) (alternatives: Chargebee, NetSuite, QuickBooks, Xero)
- Llama 4 Maverick: neither named
- Qwen 3.7 Flash: neither named (first choices: Billforward) (alternatives: BILL, ChargeOver, NetSuite SuiteBilling, Vendormedia)
- MiniMax M2.5: neither named (first choices: BILL) (alternatives: Stampli, Tipalti)

## What the models said about Wave

- "Invoicemonk says to avoid US/Canada-only tools like Wave if you need multi-currency/global compliance" (Perplexity Sonar, negative prompt, hard negative)
- "Avoid free tools like Wave—they lack automation depth growing businesses need" (Kimi K2, paraphrase prompt, hard negative)
- "Wave offers a permanently free version with no monthly subscription, and its invoicing features are intuitive to navigate" (Claude Haiku 4.5, budget prompt, first choice)

## 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.
