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Index › Receivables and billing › B2B BNPL and terms › Slope vs Fundbox
B2B BNPL and net terms · October 2026 Edition

Slope vs Fundbox

Zero of fourteen models named Slope first on the direct prompt; one named Fundbox. Slope was named by nine of the fourteen models and Fundbox by nine and Slope carries 17 labels and Fundbox 14, so the shares are not directly comparable.

Slope

accepted challenger

Named in two categories this edition.

Fundbox

accepted challenger

Named in two categories this edition.

First-choice share5%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate6%14%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#7A position in a field of 12; printed, not drawn.
Labels1714A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Slope reading right to left. Rank and label count are printed, not drawn.Resolve Pay was named alongside these two in twelve of the fourteen direct answers. Resolve Pay vs Slope · Resolve Pay vs Fundbox · Credit Key vs Slope

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 B2B BNPL and net terms page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
SlopeFirst choices, of fourteen modelsFundbox
Direct011 against Fundbox
Paraphrase00
Comparative00
Budget-constrained20
Scale-constrained00
Negative001 against Slope · 1 against Fundbox
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.

Across every category in the October 2026 Edition, Slope and Fundbox were named in the same answer eleven times, of the 48 answers naming Slope and the 39 naming Fundbox. In those answers Fundbox took the first choice one time and Slope two.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Slope and Fundbox stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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
Slope Fundbox first choice named as an alternative argued againstblank: not namedEach cell is one answer, Slope on the left and Fundbox on the right.

The direct prompt

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

Fundbox first, Slope not the choice

1 of 14 modelsSlope was named in the answer but not as the choice, or not at all.
Qwen 3.7 FlashFundbox, Resolve Pay alternatives: Balance, Credit Key, TreviPay

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 FlashResolve Pay alternatives: Balance, Hokodo, Mondu, Slope, TreviPay
Mistral SmallBillie, Mondu alternatives: Fundbox, Resolve Pay, Two
DeepSeek V4 FlashResolve Pay alternatives: Balance, Credit Key, Mondu, Slope, TreviPay

Neither was named

10 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Resolve Pay alternatives: Billie, Hokodo, Mondu, TreviPay
GPT-5.4 miniResolve Pay alternatives: Billtrust, Invoiced, TreviPay
Perplexity SonarCredit Key alternatives: Billie, Hokodo
Grok 4.1 FastCredit Key, Resolve Pay alternatives: Billie, Mondu, TreviPay
Llama 4 Maverickno first choice
Kimi K2Resolve Pay alternatives: Two
GLM 4.7 FlashXBillie, Credit Key alternatives: Resolve Pay, TreviPay
MiniMax M2.5Resolve Pay alternatives: Balance, Billie, Mondu, TreviPay
GPT-6 LunaResolve Pay alternatives: Credit Key, TreviPay
Muse Glimmer 30BResolve Pay alternatives: Billie, Mondu, TreviPay, Unzer

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.
Slope4%#4 of 10
Fundbox4%#6 of 10
The full small business standing →
Mid-marketThe figures above
Slope leads by two points.
Slope5%#4 of 12
Fundbox2%#7 of 12
The full mid-market standing →
Enterprise
Level: the same share of first choices.
Slope0%#8 of 9
Fundbox0%#– of 9
The full enterprise standing →

What the models said about Slope

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

“Small support teams on complex integrations (Slope)” DeepSeek V4 Flash · negative prompt · soft negative
“Slope (Most Affordable) ... Start with the provider offering the lowest base rate (Slope)” GLM 4.7 FlashX · budget prompt · first choice
“Slope edges as potentially the most affordable with the lowest starting fees (0.99%)” Grok 4.1 Fast · budget prompt · first choice
“Slope emphasizes embedded B2B payments and capital infrastructure for platforms and enterprise technology teams.” Muse Glimmer 30B · comparative prompt · alternative

What the models said about Fundbox

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

“Generally not recommended for mid-market due to very high APRs (80–240%+) and limited AR automation” Kimi K2 · direct prompt · hard negative
“BBB complaint summary: 26 total complaints in the last 3 years... frustrations regarding unexpected automated payment system glitches and sudden strict restrictions on new credit line draws” Muse Glimmer 30B · negative prompt · soft negative
“Start with Resolve or Fundbox.” Qwen 3.7 Flash · direct prompt · first choice
“more of an embedded financing / capital platform, but it can power net terms and installment options in B2B commerce” GPT-5.4 mini · comparative prompt · alternative
“Fundbox offers robust B2B purchasing credits and Net Terms options for vendors” Qwen 3.7 Flash · comparative prompt · alternative
Also compared

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.