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Cash application · September 2026 Edition

Upflow vs Lunos

Two of twelve models named Upflow first on the direct prompt; zero named Lunos. Upflow was named by seven of the twelve models and Lunos by six and Upflow carries 13 labels and Lunos 11, so the shares are not directly comparable.

Upflow

accepted challenger

Named in five categories this edition.

Lunos

accepted challenger

Named in two categories this edition.

First-choice share9%7%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.

Negative rate0%0%Negative labels as a share of the product's labels, 0 to 100.

Rank in category#3#4A position in a field of 10; printed, not drawn.

Labels1311A count; the two differ.

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.HighRadius was named alongside these two in seven of the twelve direct answers. HighRadius vs Upflow · HighRadius vs Lunos · Versapay vs Upflow

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

UpflowFirst choices, of twelve modelsLunos

Direct20

Paraphrase11

Comparative00

Budget-constrained12

Scale-constrained00

Negative00

Bars are first choices, 0 to 12 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to twelve.

Every model, every framing

The seventy-two answers behind the chart above, one cell each: where Upflow and Lunos 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

Upflow

Lunos

first choice

named as an alternative

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

The direct prompt

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

Upflow first, Lunos an alternative

2 of 12 modelsLunos was named in the answer but not as the choice, or not at all.

Mistral SmallUpflow alternatives: Bluecopa, Cashbook, Chaser

Llama 4 MaverickUpflow alternatives: Bluecopa, Cashbook, Chaser, Lunos

Neither was the first choice, one was named

3 of 12 modelsThe answer put something else first and named one of the two as an alternative.

Claude Haiku 4.5Versapay alternatives: Billtrust, Paystand, Quadient Accounts Receivable, Upflow

Gemini 3.5 FlashQuadient Accounts Receivable alternatives: Stuut, Tesorio, Upflow, Versapay

Perplexity SonarHighRadius alternatives: Billtrust, Kolleno, Upflow

Neither was named

7 of 12 modelsThe answer made no first choice from these two in this category.

GPT-5.4 miniHighRadius alternatives: BlackLine Cash Application, Sidetrade

Grok 4.1 FastEsker alternatives: Billtrust, Gaviti, HighRadius, Quadient Accounts Receivable

DeepSeek V4 FlashEsker, HighRadius alternatives: Gaviti, Monk, Versapay

Qwen 3.7 FlashHighRadius alternatives: AtoBi, BlackLine Cash Application, Trintech

Kimi K2HighRadius alternatives: Billtrust, Chaser, Versapay

GLM 4.7 FlashXEsker, Kolleno alternatives: Chaser, Gaviti, Monk, Quadient Accounts Receivable, Serrala, Stuut, Transparency / Transformance, Versapay

MiniMax M2.5HighRadius alternatives: Monk

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

Level: the same share of first choices.

Upflow#4 of 10

Lunos#5 of 10

The full small business standing →

Mid-marketThe figures above

Upflow leads by two points.

Upflow#3 of 10

Lunos#4 of 10

The full mid-market standing →

Enterprise

Upflow leads by five points.

Upflow#– of 7

Lunos#– of 7

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. Two of two in this category shown.

“Upflow - Good fit for mid-sized and scaling companies (typically $10M-$500M revenue) that need cash application to feed directly into AR and collections” Llama 4 Maverick · direct prompt · first choice

“Upflow is often recommended as the best overall solution due to its seamless integration with collections and AR workflows” Mistral Small · direct prompt · first choice

What the models said about Lunos

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

“Best Pay-As-You-Go Solution: Lunos ... "I want zero monthly risk." | Lunos” Qwen 3.7 Flash · budget prompt · first choice

“Lunos (backed by GoCardless/General Catalyst) is the strongest fit for mid-market” DeepSeek V4 Flash · paraphrase prompt · first choice

“Lunos – Best overall for a free/very low-cost start” DeepSeek V4 Flash · budget prompt · first choice

Also compared

HighRadius vs Upflow HighRadius vs Lunos Versapay vs Upflow Versapay vs Lunos Upflow vs Esker Upflow vs Quadient Accounts Receivable Upflow vs Gaviti Lunos vs Esker Lunos vs Quadient Accounts Receivable Lunos vs Gaviti All twenty-one 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.