# Acast vs Spotify Ad Studio: which do AI models recommend for audio advertising, October 2026

GTM AI Recommendation Index, October 2026 Edition, Audio and podcast advertising. One of fourteen models named Acast first on the direct prompt; zero named Spotify Ad Studio. Page: https://gtm-ai-index.com/marketing/audio-and-podcast-advertising/acast-vs-spotify-ad-studio/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Acast | 7% | #4 of 11 | 11% | 35 | 14 of 14 |
| Spotify Ad Studio | 2% | #8 of 11 | 40% | 10 | 8 of 14 |

## The direct prompt, model by model

- Kimi K2: acast first (first choices: Acast, AudioGo) (alternatives: B2B PodPros, Hey Sid, Spotify Ad Studio)
- Claude Haiku 4.5: neither first, one named (first choices: StackAdapt) (alternatives: Acast, Hey Sid, Spotify Advertising)
- GPT-6 Luna: neither first, one named (first choices: Spotify Ads Manager) (alternatives: Acast)
- Muse Glimmer 30B: neither first, one named (first choices: AudioGo) (alternatives: Hey Sid, Spotify Ad Studio)
- GPT-5.4 mini: neither named (first choices: Spotify Ads Manager) (alternatives: Amazon Ads, Amazon DSP)
- Gemini 3.5 Flash: neither named (first choices: StackAdapt) (alternatives: AdsWizz, Demandbase, SXM Media, Terminus)
- Perplexity Sonar: neither named (first choices: StackAdapt) (alternatives: Spotify Ads Manager)
- Grok 4.1 Fast: neither named (first choices: StackAdapt) (alternatives: AdsWizz AudioMax, Megaphone, Spotify Audience Network, The Trade Desk)
- Mistral Small: neither named (first choices: StackAdapt, The Trade Desk) (alternatives: Spotify Advertising)
- DeepSeek V4 Flash: neither named (first choices: StackAdapt) (alternatives: AudioGo, Intentsify)
- Llama 4 Maverick: neither named (first choices: Triton Digital) (alternatives: AudioGo, StackAdapt)
- Qwen 3.7 Flash: neither named (first choices: StackAdapt) (alternatives: Hey Sid)
- GLM 4.7 FlashX: neither named (first choices: Hey Sid) (alternatives: Libsyn Ads, Spotify Ads, StackAdapt)
- MiniMax M2.5: neither named (first choices: StackAdapt) (alternatives: Spotify Ads, The Trade Desk)

## What the models said about Acast

- "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)

## What the models said about Spotify Ad Studio

- "Spotify, Pandora, Amazon Music, and similar major platforms are not "avoid" platforms by default; they are widely used, but they still have limitations in measurement, targeting, and addressability" (Perplexity Sonar, negative prompt, soft negative)
- "Spotify says Spotify Ad Analytics is not integrated with Spotify Ad Studio. That makes Ad Studio worth checking carefully" (GPT-6 Luna, negative prompt, soft negative)
- "the "best" audio advertising platform is not a consumer-facing giant like Spotify or Pandora directly" (Gemini 3.5 Flash, direct prompt, soft negative)
- "Start with Spotify Ad Studio for streaming audio + podcast reach, test creative and audience with the $250 minimum" (Muse Glimmer 30B, paraphrase prompt, first choice)
- "If you want a simpler, more budget-friendly place to start, I'd recommend Spotify Ad Studio for self-serve buying." (GPT-5.4 mini, paraphrase prompt, alternative)
- "Best for Brand Awareness with Younger Professionals ... Limitation: Only reaches Spotify listeners (closed ecosystem)" (Kimi K2, direct prompt, alternative)

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.