# Justt vs Chargeblast: which do AI models recommend for chargeback management, October 2026

Finance AI Recommendation Index, October 2026 Edition, Chargeback management. Two of fourteen models named Justt first on the direct prompt; three named Chargeblast. Page: https://finance-ai-index.com/receivables/chargeback-management/justt-vs-chargeblast/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Justt | 6% | #5 of 12 | 12% | 24 | 11 of 14 |
| Chargeblast | 6% | #6 of 12 | 0% | 12 | 8 of 14 |

## The direct prompt, model by model

- Qwen 3.7 Flash: justt first (first choices: Chargeflow, Justt) (alternatives: Maxio, Midigator)
- GPT-6 Luna: justt first (first choices: Justt) (alternatives: Chargeflow, HighRadius Deductions Management)
- DeepSeek V4 Flash: chargeblast first (first choices: Chargeblast) (alternatives: Chargebacks911, Chargeflow, Justt)
- GLM 4.7 FlashX: chargeblast first (first choices: Chargeblast, Chargeflow) (alternatives: Chargebacks911, Gaviti, Midigator)
- Muse Glimmer 30B: chargeblast first (first choices: Chargeblast, Midigator) (alternatives: Gaviti, Justt)
- Claude Haiku 4.5: neither first, one named (first choices: Chargebacks911) (alternatives: Chargeflow, Justt, Midigator)
- Perplexity Sonar: neither first, one named (first choices: Midigator) (alternatives: Chargebacks911, Chargeblast)
- Grok 4.1 Fast: neither first, one named (first choices: Chargeflow) (alternatives: Chargebacks911, Justt, Kount, Midigator, Sift)
- MiniMax M2.5: neither first, one named (first choices: Chargebacks911, Midigator) (alternatives: Chargeflow, Justt)
- GPT-5.4 mini: neither named (first choices: Billtrust) (alternatives: ChargebackStop, Chargebacks911, Chargeflow)
- Gemini 3.5 Flash: neither named (first choices: Chargeflow) (alternatives: Accertify, Chargebacks911, HighRadius, Stuut, iNymbus)
- Mistral Small: neither named (first choices: Midigator) (alternatives: Chargeback.io, Gaviti)
- Llama 4 Maverick: neither named
- Kimi K2: neither named (first choices: Midigator) (alternatives: Chargeback Gurus, Gaviti, Sift)

## What the models said about Justt

- "Be very cautious. ... A fully managed service like Chargeflow or Justt can pay for itself — but only if you negotiate a success-based fee" (DeepSeek V4 Flash, negative prompt, soft negative)
- "There's a cold-start problem where the first three months don't achieve the win rate the sales team quotes" (Claude Haiku 4.5, negative prompt, soft negative)
- "these tools less relevant" (DeepSeek V4 Flash, paraphrase prompt, soft negative)
- "Justt positions itself specifically for subscription and SaaS businesses... Best for Specialized SaaS & Subscription Defense" (Qwen 3.7 Flash, direct prompt, first choice)
- "Justt - if your primary need is chargeback/dispute response management and you want AI automation to reduce manual work" (MiniMax M2.5, paraphrase prompt, first choice)
- "I'd shortlist Justt for a mid-market B2B company" (GPT-6 Luna, direct prompt, first choice)

## What the models said about Chargeblast

- "ChargeBlast is the strongest fit for mid-market dispute teams that need deadline-driven representment workflows" (Muse Glimmer 30B, direct prompt, first choice)
- "Start with Chargeblast or Chargeflow for mid-market companies" (GLM 4.7 FlashX, direct prompt, first choice)
- "my top recommendation is ChargeBlast" (DeepSeek V4 Flash, direct prompt, first choice)

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.