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Accounts payable automation · October 2026 Edition

Medius vs Airbase

One of fourteen models named Medius first on the direct prompt; one named Airbase. Medius was named by fourteen of the fourteen models and Airbase by five and Medius carries 23 labels and Airbase 11, so the shares are not directly comparable.

Medius

accepted challenger

Named in four categories this edition.

Airbase

accepted challenger

Named in eight categories this edition.

First-choice share3%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.

Negative rate0%18%Negative labels as a share of the product's labels, 0 to 100.

Rank in category#7#8A position in a field of 10; printed, not drawn.

Labels2311A count; the two differ.

The two percentage rows are drawn on one 0 to 100 track, Medius 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 Medius · Ramp vs Airbase · Stampli vs Medius

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.

MediusFirst choices, of fourteen modelsAirbase

Direct11

Paraphrase10

Comparative10

Budget-constrained00

Scale-constrained00

Negative002 against Airbase

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 Medius and Airbase stood in it.

Model	Direct	Paraphrase	Comparative	Budget-constrained	Scale-constrained	Negative
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

Medius

Airbase

first choice

named as an alternative

argued againstblank: not namedEach cell is one answer, Medius on the left and Airbase on the right.

The direct prompt

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

Medius first, Airbase not the choice

1 of 14 modelsAirbase was named in the answer but not as the choice, or not at all.

Mistral SmallMedius, Tipalti alternatives: BILL Accounts Payable, Quadient AP, Softco

Airbase first, Medius an alternative

1 of 14 modelsMedius was named in the answer but not as the choice, or not at all.

Muse Glimmer 30BAirbase, AvidXchange alternatives: BILL Accounts Payable, Medius, MineralTree, a Global Payments company, Quadient AP, Rillion

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

DeepSeek V4 FlashStampli alternatives: Airbase, AvidXchange, Tipalti

Neither was named

8 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

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

Medius leads by two points.

Medius#– of 9

Airbase#– of 9

The full small business standing →

Mid-marketThe figures above

Medius leads by two points.

Medius#7 of 10

Airbase#8 of 10

The full mid-market standing →

Enterprise

Medius leads by five points.

Medius#5 of 11

Airbase#– of 11

The full enterprise standing →

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

What the models said about Airbase

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

“Airbase was acquired by Paylocity in 2025, and there is some uncertainty about its future roadmap” Mistral Small · negative prompt · soft negative

“Airbase is listed with the note "Acquired by Paylocity (2025) — roadmap uncertainty"” Muse Glimmer 30B · negative prompt · soft negative

Also compared

Ramp vs Medius Ramp vs Airbase Stampli vs Medius Stampli vs Airbase BILL Accounts Payable vs Medius BILL Accounts Payable vs Airbase Tipalti vs Medius Tipalti vs Airbase AvidXchange vs Medius AvidXchange vs Airbase Melio vs Medius Melio vs Airbase All 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.