# Billtrust vs Tesorio: which do AI models recommend for accounts receivable auto, September 2026

Finance AI Recommendation Index, September 2026 Edition, Accounts receivable automation. Four of twelve models named Billtrust first on the direct prompt; zero named Tesorio. Page: https://finance-ai-index.com/receivables/accounts-receivable-automation/billtrust-vs-tesorio/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Billtrust | 12% | #2 of 8 | 13% | 30 | 11 of 12 |
| Tesorio | 2% | #7 of 8 | 4% | 24 | 11 of 12 |

## The direct prompt, model by model

- GPT-5.4 mini: billtrust first (first choices: Billtrust, HighRadius) (alternatives: Esker)
- Grok 4.1 Fast: billtrust first (first choices: Billtrust) (alternatives: Chaser, HighRadius, Quadient AR, Versapay)
- Kimi K2: billtrust first (first choices: Billtrust, Versapay) (alternatives: HighRadius, Quadient AR, Yonovo)
- MiniMax M2.5: billtrust first (first choices: Billtrust) (alternatives: HighRadius, Versapay)
- Gemini 3.5 Flash: neither first, one named (first choices: Quadient AR) (alternatives: Billtrust, Gaviti, Tesorio, Upflow, Versapay)
- Perplexity Sonar: neither first, one named (first choices: Quadient AR) (alternatives: Billtrust, Credit-IQ, HighRadius, Upflow, Versapay)
- Mistral Small: neither first, one named (first choices: HighRadius, Quadient AR) (alternatives: Billtrust, Tesorio)
- Llama 4 Maverick: neither first, one named (first choices: HighRadius) (alternatives: Credit-IQ, Quadient AR, Tesorio)
- Qwen 3.7 Flash: neither first, one named (first choices: Versapay) (alternatives: BILL, Billtrust, Quadient AR, Tesorio)
- GLM 4.7 FlashX: neither first, one named (first choices: Quadient AR) (alternatives: HighRadius, Tesorio, Versapay)
- Claude Haiku 4.5: neither named (first choices: Monk) (alternatives: BILL, HighRadius, Invoiced, Quadient AR, Versapay)
- DeepSeek V4 Flash: neither named (first choices: Quadient AR, Versapay) (alternatives: Chaser, Esker, Upflow)

## What the models said about Billtrust

- "2. Billtrust Reported Issues: - Invoicing and payment problems... Quote-only pricing makes cost comparison difficult" (Kimi K2, negative prompt, hard negative)
- "Frequently ranked #1–3 in mid-market segments by G2 Grids (Billtrust leads Enterprise/Mid-Market AR Automation)" (Grok 4.1 Fast, direct prompt, first choice)
- "I'd suggest evaluating Billtrust or Versapay first, as they're specifically designed for your segment" (Kimi K2, direct prompt, first choice)
- "Upflow (for workflow focus) or Billtrust (for full-stack AR focus) are the safest starting points" (Qwen 3.7 Flash, paraphrase prompt, first choice)

## What the models said about Tesorio

- "Avoid mid-market/enterprise platforms (Versapay, Tesorio, HighRadius)" (DeepSeek V4 Flash, budget prompt, hard negative)

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.