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

Finance AI Recommendation Index, October 2026 Edition, Accounts payable automation. Zero of fourteen 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 | 5% | #6 of 10 | 5% | 19 | 14 of 14 |
| Medius | 3% | #7 of 10 | 0% | 23 | 14 of 14 |

## The direct prompt, model by model

- Mistral Small: medius first (first choices: Medius, Tipalti) (alternatives: BILL Accounts Payable, Quadient AP, Softco)
- Claude Haiku 4.5: neither first, one named (first choices: AvidXchange, MineralTree) (alternatives: Medius, Stampli, Tipalti)
- GPT-5.4 mini: neither first, one named (first choices: Tipalti) (alternatives: AvidXchange, Basware, Medius)
- Gemini 3.5 Flash: neither first, one named (first choices: Stampli) (alternatives: AvidXchange, Medius, Ramp, Tipalti)
- Muse Glimmer 30B: neither first, one named (first choices: Airbase, AvidXchange) (alternatives: BILL Accounts Payable, Medius, MineralTree, a Global Payments company, Quadient AP, Rillion)
- Perplexity Sonar: neither named (first choices: Stampli, Tipalti) (alternatives: AvidXchange, BILL Accounts Payable, Corpay)
- Grok 4.1 Fast: neither named (first choices: BILL Accounts Payable, Stampli) (alternatives: AvidXchange, Ramp, Tipalti)
- DeepSeek V4 Flash: neither named (first choices: Stampli) (alternatives: Airbase, AvidXchange, Tipalti)
- Llama 4 Maverick: neither named
- Qwen 3.7 Flash: neither named (first choices: BILL Accounts Payable) (alternatives: AvidXchange, Spendful, Tipalti, Vasario)
- Kimi K2: neither named (first choices: BILL Accounts Payable, Stampli) (alternatives: Quadient AP, Ramp, Tipalti)
- GLM 4.7 FlashX: neither named (first choices: HighRadius) (alternatives: AvidXchange, BILL Accounts Payable, Payhawk, Quadient AP, Ramp, Stampli, Tipalti)
- MiniMax M2.5: neither named (first choices: Stampli, Tipalti) (alternatives: BILL Accounts Payable, HighRadius, Ramp, Sage Intacct)
- GPT-6 Luna: neither named (first choices: Stampli) (alternatives: AvidXchange, BILL Accounts Payable, Ramp, Tipalti)

## What the models said about Melio

- "Some users report payments debited from their account but never reaching vendors" (Kimi K2, negative prompt, hard negative)

## What the models said about Medius

- "Tipalti and Medius are top contenders due to their scalability, global capabilities, and advanced automation." (Mistral Small, direct prompt, first choice)
- "Medius stands out for multinational companies needing compliance with country-specific mandates" (MiniMax M2.5, comparative prompt, first choice)
- "Chaser and Medius are top choices due to their focus on mid-market needs" (Mistral Small, paraphrase 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.