Airbase vs Brex
Three of fourteen models named Airbase first on the direct prompt; zero named Brex. Airbase was named by twelve of the fourteen models and Brex by fourteen and Airbase carries 35 labels and Brex 42, so the shares are not directly comparable.
Named in eleven categories this edition.
Named in twelve categories this edition.
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 spend management platforms page.
By framing
AirbaseFirst choices, of fourteen modelsBrex
Across every category in the November 2026 Edition, Airbase and Brex were named in the same answer ninety-eight times, of the 187 answers naming Airbase and the 605 naming Brex. In those answers Brex took the first choice eight times and Airbase four.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | | |||
| GPT-5.4 mini | | |||||
| Gemini 3.5 Flash | | | | | | |
| Perplexity Sonar | | | | | ||
| Grok 4.20 | | | | | ||
| 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 | | | |
Airbase Brex first choice named as an alternative argued againstblank: not namedEach cell is one answer, Airbase on the left and Brex on the right.The direct prompt
Airbase first, Brex an alternative
3 of 14 modelsBrex was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
8 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
3 of 14 modelsThe answer made no first choice from these two in this category.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
Airbase7%#3 of 14Brex5%#5 of 14What the models said about Airbase
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of three in this category shown.
“Airbase is now part of Paylocity, so evaluate product direction, support arrangements, contract terms, and migration implications before committing.” Perplexity Sonar · negative prompt · soft negative
“The Best for End-to-End Finance Control: Airbase ... widely considered the most comprehensive "super app" for mid-market finance teams” Qwen 3.7 Flash · paraphrase prompt · first choice
“The best spend management platform for a mid-market B2B company is Airbase” Llama 4 Maverick · direct prompt · first choice
What the models said about Brex
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“Who Should Avoid It: Bootstrapped SMBs, traditional main-street businesses, and mid-market firms without institutional venture backing.” Gemini 3.5 Flash · negative prompt · hard negative
“Ramp, Brex, Spendesk | Fast-growing mid-market companies wanting corporate cards, AP, expenses, and automated savings in one clean UI.” Gemini 3.5 Flash · scale prompt · first choice
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.