Embedded payments platforms · November 2026 Edition
Finix vs Square
Three of fourteen models named Finix first on the direct prompt; zero named Square. Finix was named by fourteen of the fourteen models and Square by seven and Finix carries 44 labels and Square 10, so the shares are not directly comparable.
Named in two categories this edition.
Named in seven categories this edition.
First-choice share26%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate7%30%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#5A position in a field of 9; printed, not drawn.
Labels4410A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Finix reading right to left. Rank and label count are printed, not drawn.Stripe Connect was named alongside these two in twelve of the fourteen direct answers. Stripe Connect vs Finix · Stripe Connect vs Square · Finix vs Adyen for Platforms
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 embedded payments platforms page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
FinixFirst choices, of fourteen modelsSquare
Direct30
Paraphrase100
Comparative00
Budget-constrained012 against Finix
Scale-constrained00
Negative001 against Finix · 3 against Square
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 Finix and Square 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 4.20 | | | | | | |
| 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 | | | | |
Finix Square first choice named as an alternative argued againstblank: not namedEach cell is one answer, Finix on the left and Square on the right.The direct prompt
The plain question, one answer per model, grouped by where Finix and Square stood in it.
Finix first, Square not the choice
3 of 14 modelsSquare was named in the answer but not as the choice, or not at all.Mistral SmallFinix alternatives: Adyen for Platforms, NMI Payments, Stripe Connect
Kimi K2Finix alternatives: Moov, Stripe Connect
MiniMax M2.5Finix, Stripe Connect alternatives: Adyen for Platforms, NMI, Spreedly
Neither was the first choice, one was named
8 of 14 modelsThe answer put something else first and named one of the two as an alternative.GPT-5.4 miniStripe Connect alternatives: Adyen for Platforms, EBizCharge, Finix
Gemini 3.5 FlashBalance, TreviPay alternatives: Adyen for Platforms, EBizCharge, Finix, Fortis, Stripe Connect
Perplexity SonarStripe Connect alternatives: Adyen for Platforms, Finix
Grok 4.20Stripe Connect alternatives: Adyen for Platforms, Finix
DeepSeek V4 FlashStripe Connect alternatives: Adyen for Platforms, Finix, HighRadius, Invoiced, Rainforest
GLM 4.7 FlashXStripe Connect alternatives: Adyen for Platforms, EBizCharge, Finix, Rainforest
GPT-6 LunaStripe Connect alternatives: Finix, Moov
Muse Glimmer 30BAdyen for Platforms, Stripe Connect alternatives: Finix, NMI, Payrix, Rainforest, Stax Connect, TreviPay, Unit
Neither was named
3 of 14 modelsThe answer made no first choice from these two in this category.Claude Haiku 4.5HighRadius alternatives: Adyen for Platforms, AvidXchange, Tipalti
Llama 4 Maverickno first choice
Qwen 3.7 FlashStripe Connect alternatives: Adyen for Platforms, Chargebee, Dwolla, Tipalti
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
Mid-marketThe figures above
Enterprise
What the models said about Finix
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.
“Explicitly called out in budget analysis as "Avoid for tight budgets: Finix ($250+/mo)"” Muse Glimmer 30B · negative prompt · hard negative
“Switch to a custom PayFac-as-a-Service (like Finix or Payrix) only once your platform processes >$10M+ in gross payment volume per year” Gemini 3.5 Flash · budget prompt · soft negative
“usually better once processing volume is high enough to justify custom pricing and additional integration work” Perplexity Sonar · budget prompt · soft negative
“I'd start with Finix. For a mid-sized company, it looks like a good balance of payment control and monetization options” GPT-6 Luna · paraphrase prompt · first choice
“Finix is the most frequently recommended fit for SaaS platforms and marketplaces embedding payments” Muse Glimmer 30B · paraphrase prompt · first choice
“Finix offers the best balance of control, compliance handling, and pricing transparency” Kimi K2 · direct prompt · first choice
What the models said about Square
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.
“Weaker for pure software-embedded/ISV use cases—better suited for hardware-integrated retail.” Grok 4.20 · negative prompt · soft negative
“Large processors like Stripe, PayPal, and Square often operate under an "aggregator" model” MiniMax M2.5 · negative prompt · soft negative
“Very small / in-person + online, no dev resources: Square Free plan.” Muse Glimmer 30B · budget prompt · first choice
“they build a secondary backup processor (like Square or Adyen) ready to go live if Stripe locks them out” Qwen 3.7 Flash · negative prompt · alternative
“Square/TBD, or Mollie (depending on geography) tend to have far better support infrastructure” DeepSeek V4 Flash · negative 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.