# Signifyd vs ClearSale: which do AI models recommend for ecommerce fraud, October 2026

Finance AI Recommendation Index, October 2026 Edition, Ecommerce fraud prevention. Four of fourteen models named Signifyd first on the direct prompt; one named ClearSale. Page: https://finance-ai-index.com/receivables/ecommerce-fraud-prevention/signifyd-vs-clearsale/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Signifyd | 8% | #4 of 11 | 19% | 43 | 14 of 14 |
| ClearSale | 2% | #7 of 11 | 12% | 16 | 8 of 14 |

## The direct prompt, model by model

- Mistral Small: signifyd first (first choices: Signifyd) (alternatives: NoFraud, Sift)
- Qwen 3.7 Flash: signifyd first (first choices: Signifyd) (alternatives: Fingerprint, Kount)
- GLM 4.7 FlashX: signifyd first (first choices: Signifyd) (alternatives: ClearSale, Eftsure, SEON, Sift)
- Muse Glimmer 30B: signifyd first (first choices: Signifyd, Wyllo, formerly NoFraud) (alternatives: Eftsure, SEON)
- MiniMax M2.5: clearsale first (first choices: ClearSale, SEON) (alternatives: Forter, Riskified)
- Claude Haiku 4.5: neither first, one named (first choices: FraudNet, Trustmi) (alternatives: Kount, Sift, Signifyd)
- GPT-5.4 mini: neither first, one named (first choices: Sift) (alternatives: Forter, Kount, Signifyd)
- Gemini 3.5 Flash: neither first, one named (first choices: SEON) (alternatives: Allianz Trade Pay, Sift, Signifyd, TreviPay)
- Perplexity Sonar: neither first, one named (first choices: SEON) (alternatives: Kount, Sift, Signifyd)
- Grok 4.1 Fast: neither first, one named (first choices: Sift) (alternatives: Chargeflow, Fingerprint, SEON, Signifyd, Wyllo)
- DeepSeek V4 Flash: neither first, one named (first choices: SEON) (alternatives: Sift, Signifyd, Stripe Radar)
- Llama 4 Maverick: neither first, one named (first choices: Wyllo) (alternatives: NoFraud, SEON, Sift, Signifyd, cside)
- Kimi K2: neither named (first choices: SEON) (alternatives: Eftsure, Kount, Trustmi)
- GPT-6 Luna: neither named (first choices: SEON) (alternatives: Kount)

## What the models said about Signifyd

- "Signifyd's public terms define eligible chargebacks narrowly... That's a reason to get the exact coverage schedule and exclusions in the signed agreement—not, by itself, a reason to avoid Signifyd." (GPT-6 Luna, negative prompt, soft negative)
- "Choose Signifyd or Riskified if: You want to outsource fraud completely... Go with Signifyd if you are mid-market and want seamless e-commerce platform plug-ins." (Gemini 3.5 Flash, comparative prompt, first choice)
- "The original "chargeback guarantee" pioneer ... Best fit: High-volume merchants ($10M+ GMV) who want fraud completely off their plate." (Kimi K2, comparative prompt, first choice)
- "The Best Overall (Especially for Open Credit): Signifyd ... widely considered the gold standard for B2B commerce" (Qwen 3.7 Flash, direct prompt, first choice)

## What the models said about ClearSale

- "it can introduce a slight delay in order processing. Some merchants have also noted inconsistencies in support quality." (Claude Haiku 4.5, negative prompt, soft negative)
- "I'd recommend starting with ClearSale or SEON as they specifically target mid-market businesses" (MiniMax M2.5, direct prompt, first choice)
- "Choose ClearSale if: You sell high-value luxury goods or ship to high-risk international markets" (Gemini 3.5 Flash, comparative prompt, alternative)
- "Human-in-the-loop review for complex decisions, paired with automation for speed" (DeepSeek V4 Flash, comparative prompt, alternative)

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. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.