# Melio vs Medius: which do AI models recommend for accounts payable automat, September 2026

Finance AI Recommendation Index, September 2026 Edition, Accounts payable automation. Zero of twelve models named Melio first on the direct prompt; one named Medius. Page: https://finance-ai-index.com/spend/accounts-payable-automation/melio-vs-medius/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Melio | 19% | #3 of 9 | 6% | 17 | 12 of 12 |
| Medius | 5% | #7 of 9 | 0% | 16 | 9 of 12 |

## The direct prompt, model by model

- Llama 4 Maverick: medius first (first choices: Medius) (alternatives: AvidXchange, Stampli, Tipalti)
- Qwen 3.7 Flash: neither first, one named (first choices: BILL) (alternatives: AvidXchange, Medius, Tipalti)
- MiniMax M2.5: neither first, one named (first choices: Procurify) (alternatives: AvidXchange, Medius, Stampli, Tipalti)
- Claude Haiku 4.5: neither named (first choices: AvidXchange, MineralTree) (alternatives: Airbase, Oracle NetSuite, Quadient AP, Ramp, Stampli)
- GPT-5.4 mini: neither named (first choices: Stampli) (alternatives: BILL, Ramp, Tipalti)
- Gemini 3.5 Flash: neither named (first choices: Stampli) (alternatives: Airbase, AvidXchange, Ramp, Tipalti)
- Perplexity Sonar: neither named (first choices: Tipalti) (alternatives: AvidXchange, Stampli)
- Grok 4.1 Fast: neither named (first choices: BILL) (alternatives: AvidXchange, Stampli, Tipalti)
- Mistral Small: neither named (first choices: Tipalti) (alternatives: AvidXchange, BILL, Stampli)
- DeepSeek V4 Flash: neither named (first choices: Stampli, Tipalti) (alternatives: AvidXchange, BILL, Precoro, Procurify)
- Kimi K2: neither named (first choices: AvidXchange) (alternatives: BILL, MineralTree, Stampli, Tipalti)
- GLM 4.7 FlashX: neither named (first choices: AvidXchange) (alternatives: BILL, Ramp, Stampli, SutiAP, Tipalti)

## What the models said about Melio

- "Recommendation: Start with Melio if payments are simple/low-volume and you want zero commitment." (Grok 4.1 Fast, budget prompt, first choice)
- "For the tightest budgets, start with Melio's free plan or Ramp's free tier to test before committing." (Claude Haiku 4.5, budget prompt, first choice)

## What the models said about Medius

- "Medius - provides AP automation for midsize businesses, removing manual AP tasks, strengthening controls, and gaining real-time visibility" (Llama 4 Maverick, paraphrase prompt, first choice)
- "The top AP automation software solutions in 2026 are Medius, Tipalti, Stampli, and AvidXchange." (Llama 4 Maverick, direct prompt, first choice)
- "Enterprise workflows/ERP depth | Advanced AI (70–85% touchless); highly configurable" (Grok 4.1 Fast, comparative prompt, alternative)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve 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.