FastSpring vs 2Checkout
Three of fourteen models named FastSpring first on the direct prompt; zero named 2Checkout. FastSpring was named by fourteen of the fourteen models and 2Checkout by seven and FastSpring carries 49 labels and 2Checkout 11, so the shares are not directly comparable.
Named in one category this edition.
Named in one category 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 October 2026 Edition, FastSpring and 2Checkout were named in the same answer twenty-eight times, of the 151 answers naming FastSpring and the 36 naming 2Checkout. In those answers 2Checkout took the first choice one time and FastSpring two.
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 4.1 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 | | |
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
3 of 14 models2Checkout was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
9 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
2 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
FastSpring24%#2 of 102Checkout0%#– of 10FastSpring14%#3 of 102Checkout2%#7 of 10FastSpring7%#4 of 72Checkout0%#6 of 7What the models said about FastSpring
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Avoid for tiny budgets: Enterprise-focused like FastSpring (quote-based, higher effective)” Grok 4.1 Fast · budget prompt · hard negative
“FastSpring is more likely to shut down your account and withhold funds for 180 days” Qwen 3.7 Flash · negative prompt · hard negative
“Caveat: Some users note its legacy infrastructure can be less flexible than newer competitors like Paddle” DeepSeek V4 Flash · direct prompt · soft negative
“If your B2B offering includes a mix of software licenses, implementation services, and physical devices, FastSpring is arguably the most flexible backend.” Qwen 3.7 Flash · direct prompt · first choice
“FastSpring is the better fit for small-to-mid-size software sellers who want a faster, more self-serve setup.” Muse Glimmer 30B · paraphrase prompt · first choice
“Top Pick: FastSpring ... I'd recommend FastSpring as the best all-around Merchant of Record” DeepSeek V4 Flash · paraphrase 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. Six of seven in this category shown.
“The major legitimate MoRs (Paddle, FastSpring, 2Checkout/Avangate) generally work well but trade higher fees (~5-8%+) for compliance outsourcing” Kimi K2 · negative prompt · soft negative
“Limited transparency on dispute handling and fees ... Some reports of poor support and opaque reporting” GLM 4.7 FlashX · negative prompt · soft negative
“Many MoRs like Paddle, Lemon Squeezy, Gumroad, FastSpring, 2Checkout (Verifone) face recurring issues” Grok 4.1 Fast · negative prompt · soft negative
“PayPro Global and 2Checkout are both excellent choices” Mistral Small · paraphrase prompt · first choice
“Choose 2Checkout if you prioritize lower transaction fees and have simpler billing needs” Kimi K2 · comparative prompt · alternative
“If cost is your top priority, 2Checkout offers the best rates.” DeepSeek V4 Flash · direct 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.