FastSpring vs 2Checkout
One of fourteen models named FastSpring first on the direct prompt; one named 2Checkout. FastSpring was named by fourteen of the fourteen models and 2Checkout by nine and FastSpring carries 48 labels and 2Checkout 18, so the shares are not directly comparable.
Named in two categories this edition.
Named in three 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 merchants of record page.
By framing
FastSpringFirst choices, of fourteen models2Checkout
Across every category in the November 2026 Edition, FastSpring and 2Checkout were named in the same answer forty-five times, of the 161 answers naming FastSpring and the 51 naming 2Checkout. In those answers 2Checkout took the first choice five times and FastSpring seven.
Every model, every framing
| 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 | | | |
FastSpring 2Checkout first choice named as an alternative argued againstblank: not namedEach cell is one answer, FastSpring on the left and 2Checkout on the right.The direct prompt
FastSpring first, 2Checkout not the choice
1 of 14 models2Checkout was named in the answer but not as the choice, or not at all.2Checkout first, FastSpring not the choice
1 of 14 modelsFastSpring was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
11 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
1 of 14 modelsThe answer made no first choice from these two in this category.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
FastSpring12%#3 of 122Checkout0%#– of 12FastSpring12%#3 of 122Checkout4%#7 of 12What the models said about FastSpring
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.
“Avoid enterprise-heavy options like FastSpring (higher ~5.9% fees, older interface)” Grok 4.20 · budget prompt · hard negative
“MoR model leads to higher costs (negotiated but often 4–6% effective) and less control over customer data/branding.” Grok 4.20 · negative prompt · soft negative
“FastSpring tends to be referenced more specifically for mid-sized B2B SaaS with both self-serve and sales-assisted motions” Muse Glimmer 30B · paraphrase prompt · first choice
“Pick a Merchant of Record (Paddle or FastSpring) if your contract sizes are smaller ($1k–$25k ACV)” Gemini 3.5 Flash · direct prompt · first choice
“For most SaaS and software companies, Paddle and FastSpring are the most common choices.” GLM 4.7 FlashX · comparative prompt · first choice
What the models said about 2Checkout
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Five of six in this category shown.
“Frequent complaints about high fees (similar to 5% range), slow support, and aggressive chargeback handling.” Grok 4.20 · negative prompt · hard negative
“it's less specialized for pure B2B SaaS compared to the others (G2 rating ~3.9)” Grok 4.20 · paraphrase prompt · soft negative
“PayPro Global and 2Checkout are recommended resellers that handle global sales tax and payments for mid-sized B2B companies” Llama 4 Maverick · paraphrase prompt · first choice
“I'd recommend starting with either Paddle or 2Checkout/Verifone” MiniMax M2.5 · direct prompt · first choice
“Provides global tax and financial services, including VAT management, payment processing, reconciliation, refunds, and chargebacks.” Mistral Small · paraphrase prompt · alternative
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.