Index › Receivables and billing › Cash application › Upflow vs BILL

Cash application · October 2026 Edition

Upflow vs BILL

Zero of fourteen models named Upflow first on the direct prompt; zero named BILL. Upflow was named by nine of the fourteen models and BILL by ten and both carry 13 labels, so the shares below are directly comparable.

Upflow

accepted challenger

Named in six categories this edition.

BILL

accepted challenger

Named in fifteen categories this edition.

First-choice share9%9%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.

Negative rate8%8%Negative labels as a share of the product's labels, 0 to 100.

Rank in category#2#3A position in a field of 14; printed, not drawn.

Labels1313Equal, which is what makes the shares comparable.

The two percentage rows are drawn on one 0 to 100 track, Upflow reading right to left. Rank and label count are printed, not drawn.Versapay was named alongside these two in eight of the fourteen direct answers. Versapay vs Upflow · Versapay vs BILL · Upflow vs HighRadius

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 cash application page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.

UpflowFirst choices, of fourteen modelsBILL

Direct00

Paraphrase331 against BILL

Comparative10

Budget-constrained011 against Upflow

Scale-constrained10

Negative00

Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Upflow and BILL stood in it.

Model	Direct	Paraphrase	Comparative	Budget-constrained	Scale-constrained	Negative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.1 Fast
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

Upflow

BILL

first choice

named as an alternative

argued againstblank: not namedEach cell is one answer, Upflow on the left and BILL on the right.

The direct prompt

The plain question, one answer per model, grouped by where Upflow and BILL stood in it.

Neither was the first choice, one was named

3 of 14 modelsThe answer put something else first and named one of the two as an alternative.

Gemini 3.5 FlashVersapay alternatives: Cashbook, HighRadius, Quadient Accounts Receivable, Upflow

Perplexity SonarHighRadius alternatives: Chaser, Rex, Upflow, Versapay

Llama 4 MaverickMonk alternatives: Cashbook, Gaviti, Upflow

Neither was named

11 of 14 modelsThe answer made no first choice from these two in this category.

Claude Haiku 4.5HighRadius alternatives: Billtrust, Quadient Accounts Receivable, Versapay

GPT-5.4 miniBilltrust Unified AR alternatives: BlackLine Invoice-to-Cash, HighRadius Accounts Receivable Software

Grok 4.1 Fastno first choice alternatives: Billtrust, HighRadius, Quadient Accounts Receivable, Stuut, Versapay

Mistral SmallStuut alternatives: Versapay

DeepSeek V4 FlashStuut alternatives: Billtrust, Monk, SINGOA, Versapay

Qwen 3.7 FlashGlid alternatives: BlackLine Cash Application, Tipalti, Workiva

Kimi K2Stuut alternatives: HighRadius, Quadient Accounts Receivable, Versapay

GLM 4.7 FlashXHighRadius alternatives: Billtrust, Esker, Serrala, Stuut, Versapay

MiniMax M2.5no first choice

GPT-6 LunaBilltrust alternatives: Esker, HighRadius

Muse Glimmer 30Bno first choice alternatives: NetSuite’s built-in cash application module

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.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.

Small business

BILL leads by seven points.

BILL#1 of 16

Upflow#3 of 16

The full small business standing →

Mid-marketThe figures above

Level: the same share of first choices.

Upflow#2 of 14

BILL#3 of 14

The full mid-market standing →

Enterprise

The order flips: Upflow leads at enterprise.

Upflow#– of 8

BILL#– of 8

The full enterprise standing →

What the models said about Upflow

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of three in this category shown.

“Higher monthly cost; better suited for mid‑size businesses with more complex workflows.” GLM 4.7 FlashX · budget prompt · soft negative

“The best cash application software for B2B companies because it is the only platform that treats reconciliation as part of the collections process” Claude Haiku 4.5 · comparative prompt · first choice

“start with Upflow for trust and collections integration, or Paystand if you want invoice delivery + payment matching in one AR stack.” Muse Glimmer 30B · paraphrase prompt · first choice

What the models said about BILL

No label in this category carried a quote.

Also compared

Versapay vs Upflow Versapay vs BILL Upflow vs HighRadius Upflow vs Stuut Upflow vs Kolleno Upflow vs Billtrust Upflow vs Esker BILL vs HighRadius BILL vs Stuut BILL vs Kolleno BILL vs Billtrust BILL vs Esker All twenty-eight head-to-head pages and the full cash application standing

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.