Five of fourteen models named Upflow first on the direct prompt; six named Billtrust. Both were named by all fourteen models and both carry 35 labels, so the shares below are directly comparable.
Named in eight categories this edition.
Named in nine categories this edition.
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; every quote names the model and the prompt it came from. Both figures come from the accounts receivable automation page.
Across every category in the November 2026 Edition, Upflow and Billtrust were named in the same answer ninety-three times, of the 220 answers naming Upflow and the 380 naming Billtrust. In those answers Billtrust took the first choice ten times and Upflow eighteen.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | ||||||
| GPT-5.4 mini | ||||||
| Gemini 3.5 Flash | ||||||
| Perplexity Sonar | ||||||
| Grok 4.20 | ||||||
| Mistral Small | ||||||
| DeepSeek V4 Flash | ||||||
| Llama 4 Maverick | ||||||
| Qwen 3.7 Flash | ||||||
| Kimi K2 | ||||||
| GLM 4.7 FlashX | ||||||
| MiniMax M2.5 | ||||||
| GPT-6 Luna | ||||||
| Muse Glimmer 30B |
Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of three in this category shown.
“Overhyped AI-focused tools without proof: Watch for vendors promising "98% auto-match" or full autonomy (e.g., some Upflow or Centime alternatives) but delivering partial results.” Grok 4.20 · negative prompt · soft negative
“I'd start with Billtrust if you need end-to-end AR/invoice-to-cash automation, and Upflow if you mainly need collections workflow improvement” GPT-5.4 mini · direct prompt · first choice
“The cheapest AR automation is Upflow at $0/mo." ... "Zero budget / test first: Upflow free tier or Merclex free starter tier” Muse Glimmer 30B · budget prompt · first choice
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of four in this category shown.
“Avoid enterprise-focused tools like Billtrust, HighRadius, Versapay, or NetSuite unless scaling up” Grok 4.20 · budget prompt · hard negative
“Billtrust is frequently mentioned as a tool with significant negative sentiment, especially regarding implementation and cost.” Mistral Small · negative prompt · soft negative
“Billtrust and Versapay are the top recommendations due to their strong feature sets, scalability, and positive user reviews” Mistral Small · direct prompt · first choice
“Billtrust has earned its place as the number one accounts receivable solution for mid-market and enterprise businesses” Claude Haiku 4.5 · direct prompt · first choice
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.