# HighRadius vs Esker: which do AI models recommend for cash application, September 2026

Finance AI Recommendation Index, September 2026 Edition, Cash application. Six of twelve models named HighRadius first on the direct prompt; three named Esker. Page: https://finance-ai-index.com/receivables/cash-application/highradius-vs-esker/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| HighRadius | 16% | #1 of 10 | 40% | 45 | 12 of 12 |
| Esker | 7% | #5 of 10 | 27% | 22 | 11 of 12 |

## The direct prompt, model by model

- DeepSeek V4 Flash: both first (first choices: Esker, HighRadius) (alternatives: Gaviti, Monk, Versapay)
- GPT-5.4 mini: highradius first (first choices: HighRadius) (alternatives: BlackLine Cash Application, Sidetrade)
- Perplexity Sonar: highradius first (first choices: HighRadius) (alternatives: Billtrust, Kolleno, Upflow)
- Qwen 3.7 Flash: highradius first (first choices: HighRadius) (alternatives: AtoBi, BlackLine Cash Application, Trintech)
- Kimi K2: highradius first (first choices: HighRadius) (alternatives: Billtrust, Chaser, Versapay)
- MiniMax M2.5: highradius first (first choices: HighRadius) (alternatives: Monk)
- Grok 4.1 Fast: esker first (first choices: Esker) (alternatives: Billtrust, Gaviti, HighRadius, Quadient Accounts Receivable)
- GLM 4.7 FlashX: esker first (first choices: Esker, Kolleno) (alternatives: Chaser, Gaviti, Monk, Quadient Accounts Receivable, Serrala, Stuut, Transparency / Transformance, Versapay)
- Claude Haiku 4.5: neither named (first choices: Versapay) (alternatives: Billtrust, Paystand, Quadient Accounts Receivable, Upflow)
- Gemini 3.5 Flash: neither named (first choices: Quadient Accounts Receivable) (alternatives: Stuut, Tesorio, Upflow, Versapay)
- Mistral Small: neither named (first choices: Upflow) (alternatives: Bluecopa, Cashbook, Chaser)
- Llama 4 Maverick: neither named (first choices: Upflow) (alternatives: Bluecopa, Cashbook, Chaser, Lunos)

## What the models said about HighRadius

- "Avoid the usual enterprise leaders like HighRadius, Billtrust, and Esker if budget is the main constraint" (Perplexity Sonar, budget prompt, hard negative)
- "they are generally not recommended for the typical mid-market company ... Why to avoid them in the mid-market:" (Gemini 3.5 Flash, direct prompt, hard negative)
- "Go with HighRadius or BlackLine if you are a massive, multi-billion-dollar enterprise looking to standardize cash flow and compliance across multiple ERPs globally." (Gemini 3.5 Flash, comparative prompt, first choice)
- "For most mid-market B2B companies, I'd recommend HighRadius due to its proven ROI, quick implementation, and outcome-based pricing model." (MiniMax M2.5, direct prompt, first choice)

## What the models said about Esker

- "Avoid the usual enterprise leaders like HighRadius, Billtrust, and Esker" (Perplexity Sonar, budget prompt, hard negative)
- "Enterprise-class, custom-priced, typically six figures annually." (DeepSeek V4 Flash, budget prompt, hard negative)
- "1. Esker (G2: 4.3–4.5/5; Gartner Leader in Invoice-to-Cash 2024) ... Enterprise-grade AI automation for cash matching" (Grok 4.1 Fast, direct prompt, first choice)
- "Esker or HighRadius are the safest bets if you want a proven, scalable platform" (DeepSeek V4 Flash, direct prompt, first choice)
- "Kolleno and Esker are strong, mid‑market‑focused all‑rounders." (GLM 4.7 FlashX, 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.