Audio and podcast advertising · October 2026 Edition
StackAdapt vs Acast
Eight of fourteen models named StackAdapt first on the direct prompt; one named Acast. StackAdapt was named by eleven of the fourteen models and Acast by fourteen and StackAdapt carries 19 labels and Acast 35, so the shares are not directly comparable.
Named in eight categories this edition.
Named in one category this edition.
First-choice share20%7%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%11%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#4A position in a field of 11; printed, not drawn.
Labels1935A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, StackAdapt reading right to left. Rank and label count are printed, not drawn.AudioGo vs StackAdapt · AudioGo vs Acast · StackAdapt vs Spotify Ads Manager
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 audio and podcast advertising page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
StackAdaptFirst choices, of fourteen modelsAcast
Direct81
Paraphrase23
Comparative06
Budget-constrained001 against Acast
Scale-constrained10
Negative003 against Acast
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 StackAdapt and Acast 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 | | |
StackAdapt Acast first choice named as an alternative argued againstblank: not namedEach cell is one answer, StackAdapt on the left and Acast on the right.The direct prompt
The plain question, one answer per model, grouped by where StackAdapt and Acast stood in it.
StackAdapt first, Acast an alternative
8 of 14 modelsAcast was named in the answer but not as the choice, or not at all.Claude Haiku 4.5StackAdapt alternatives: Acast, Hey Sid, Spotify Advertising
Gemini 3.5 FlashStackAdapt alternatives: AdsWizz, Demandbase, SXM Media, Terminus
Perplexity SonarStackAdapt alternatives: Spotify Ads Manager
Grok 4.1 FastStackAdapt alternatives: AdsWizz AudioMax, Megaphone, Spotify Audience Network, The Trade Desk
Mistral SmallStackAdapt, The Trade Desk alternatives: Spotify Advertising
DeepSeek V4 FlashStackAdapt alternatives: AudioGo, Intentsify
Qwen 3.7 FlashStackAdapt alternatives: Hey Sid
MiniMax M2.5StackAdapt alternatives: Spotify Ads, The Trade Desk
Acast first, StackAdapt not the choice
1 of 14 modelsStackAdapt was named in the answer but not as the choice, or not at all.Kimi K2Acast, AudioGo alternatives: B2B PodPros, Hey Sid, Spotify Ad Studio
Neither was the first choice, one was named
3 of 14 modelsThe answer put something else first and named one of the two as an alternative.Llama 4 MaverickTriton Digital alternatives: AudioGo, StackAdapt
GLM 4.7 FlashXHey Sid alternatives: Libsyn Ads, Spotify Ads, StackAdapt
GPT-6 LunaSpotify Ads Manager alternatives: Acast
Neither was named
2 of 14 modelsThe answer made no first choice from these two in this category.GPT-5.4 miniSpotify Ads Manager alternatives: Amazon Ads, Amazon DSP
Muse Glimmer 30BAudioGo alternatives: Hey Sid, Spotify Ad Studio
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
Mid-marketThe figures above
The order flips: StackAdapt leads at mid-market.
StackAdapt20%#2 of 11Acast7%#4 of 11Enterprise
StackAdapt leads by twelve points.
StackAdapt17%#1 of 14Acast4%#6 of 14What the models said about StackAdapt
No label in this category carried a quote.
What the models said about Acast
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Avoid Acast self-serve under $5K budget — you'll get run-of-network junk.” DeepSeek V4 Flash · negative prompt · hard negative
“Acast's managed campaigns require significant budgets, typically starting at $10,000 to $15,000” Mistral Small · negative prompt · soft negative
“Drawbacks: Smaller scale compared to Spotify; higher pricing for premium inventory.” Muse Glimmer 30B · negative prompt · soft negative
“Acast: The Open Ecosystem Leader ... Best For: Global programmatic scale, cross-app reach, and multi-tier budgets.” Gemini 3.5 Flash · comparative prompt · first choice
“Acast offers the widest reach in a single buy with in-file delivery across 140,000 shows on every major app” Claude Haiku 4.5 · comparative prompt · first choice
“Strongest for broad reach across 140,000+ independent shows; ads stitched directly into episode files via DAI” Grok 4.1 Fast · comparative prompt · first choice
Also compared
AudioGo vs StackAdaptAudioGo vs AcastStackAdapt vs Spotify Ads ManagerStackAdapt vs Libsyn AdsStackAdapt vs Triton DigitalStackAdapt vs Spotify Audience NetworkStackAdapt vs Spotify Ad StudioSpotify Ads Manager vs AcastAcast vs Libsyn AdsAcast vs Triton DigitalAcast vs Spotify Audience NetworkAcast vs Spotify Ad StudioAll twenty-eight head-to-head pages and the full audio advertising 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.