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Index › Spend and procurement › Accounts payable automat › Melio vs Medius
Accounts payable automation · October 2026 Edition

Melio vs Medius

Zero of fourteen models named Melio first on the direct prompt; one named Medius. Both were named by all fourteen models and Melio carries 19 labels and Medius 23, so the shares are not directly comparable.

Melio

accepted challenger

Named in eight categories this edition.

Medius

accepted challenger

Named in four categories this edition.

First-choice share5%3%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate5%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#6#7A position in a field of 10; printed, not drawn.
Labels1923A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Melio reading right to left. Rank and label count are printed, not drawn.Tipalti was named alongside these two in twelve of the fourteen direct answers. Ramp vs Melio · Ramp vs Medius · Stampli vs Melio

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 accounts payable automation page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
MelioFirst choices, of fourteen modelsMedius
Direct01
Paraphrase01
Comparative01
Budget-constrained30
Scale-constrained00
Negative001 against Melio
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Melio and Medius stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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
Melio Medius first choice named as an alternative argued againstblank: not namedEach cell is one answer, Melio on the left and Medius on the right.

The direct prompt

The plain question, one answer per model, grouped by where Melio and Medius stood in it.

Medius first, Melio not the choice

1 of 14 modelsMelio was named in the answer but not as the choice, or not at all.
Mistral SmallMedius, Tipalti alternatives: BILL Accounts Payable, Quadient AP, Softco

Neither was the first choice, one was named

4 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Claude Haiku 4.5AvidXchange, MineralTree alternatives: Medius, Stampli, Tipalti
GPT-5.4 miniTipalti alternatives: AvidXchange, Basware, Medius
Gemini 3.5 FlashStampli alternatives: AvidXchange, Medius, Ramp, Tipalti
Muse Glimmer 30BAirbase, AvidXchange alternatives: BILL Accounts Payable, Medius, MineralTree, a Global Payments company, Quadient AP, Rillion

Neither was named

9 of 14 modelsThe answer made no first choice from these two in this category.
Perplexity SonarStampli, Tipalti alternatives: AvidXchange, BILL Accounts Payable, Corpay
Grok 4.1 FastBILL Accounts Payable, Stampli alternatives: AvidXchange, Ramp, Tipalti
DeepSeek V4 FlashStampli alternatives: Airbase, AvidXchange, Tipalti
Llama 4 Maverickno first choice
Qwen 3.7 FlashBILL Accounts Payable alternatives: AvidXchange, Spendful, Tipalti, Vasario
Kimi K2BILL Accounts Payable, Stampli alternatives: Quadient AP, Ramp, Tipalti
GLM 4.7 FlashXHighRadius alternatives: AvidXchange, BILL Accounts Payable, Payhawk, Quadient AP, Ramp, Stampli, Tipalti
MiniMax M2.5Stampli, Tipalti alternatives: BILL Accounts Payable, HighRadius, Ramp, Sage Intacct
GPT-6 LunaStampli alternatives: AvidXchange, BILL Accounts Payable, Ramp, Tipalti

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

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Melio leads by seventeen points.
Melio19%#3 of 9
Medius2%#– of 9
The full small business standing →
Mid-marketThe figures above
Melio leads by two points.
Melio5%#6 of 10
Medius3%#7 of 10
The full mid-market standing →
Enterprise
The order flips: Medius leads at enterprise.
Medius5%#5 of 11
Melio0%#– of 11
The full enterprise standing →

What the models said about Melio

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. One of one in this category shown.

“Some users report payments debited from their account but never reaching vendors” Kimi K2 · negative prompt · hard negative

What the models said about Medius

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.

“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
Also compared
Ramp vs MelioRamp vs MediusStampli vs MelioStampli vs MediusBILL Accounts Payable vs MelioBILL Accounts Payable vs MediusTipalti vs MelioTipalti vs MediusAvidXchange vs MelioAvidXchange vs MediusMelio vs AirbaseMedius vs AirbaseAll twenty-eight head-to-head pages and the full accounts payable automat standing

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.