Audiohook Pricing
Understand CPM pricing models in Audiohook and how they impact your campaign costs.
Audiohook supports two CPM-based models: Fixed CPM and Cost Plus. Both charge based on cost per thousand impressions (CPM) but differ in guarantees, billing, and reporting.
🔹 Fixed CPM (Traditional Model)
What it is:
- CPM and total impressions are pre-determined and guaranteed.
- Costs do not fluctuate based on marketplace conditions.
How it works:
- Agree to a fixed CPM and impression volume in your insertion order (IO).
- Audiohook guarantees delivery of the contracted impressions for the agreed budget.
When it’s used:
- Typically managed service campaigns, where Audiohook handles media buying, delivery, and pacing.
Example:
- Campaign: 1,000,000 impressions
- Fixed CPM: $12
- Total Cost: 1,000,000 ÷ 1,000 × $12 = $12,000
🔹 Cost Plus (Programmatic Model)
What it is:
- Advertiser pays for actual media cost plus a platform fee.
- CPMs are estimated, not guaranteed.
How it works:
- Audiohook buys inventory programmatically across exchanges to achieve the best CPM.
- The total cost includes media cost + platform fee, combined into the total effective CPM shown in reporting.
- Final CPM may be lower or higher than the estimate.
Formula:
Total Cost = Total Impressions ÷ 1,000 × Effective CPM
Example:
- Campaign: 500,000 impressions
- Max CPM setting: $6.50 ($3,000 budget with estimated 461K+ impressions)
- Effective CPM: $6
- Total Cost: 500,000 ÷ 1,000 × $6 = $3,000
When it’s used:
- Default for self-serve advertisers.
- Managed service campaigns may also use it when flexibility or optimization is preferred.
Benefits:
- Transparent total cost reporting.
- Opportunity to optimize CPM via programmatic bidding.
- Flexible targeting and pacing without fixed delivery.
🔹 Comparison Summary
Feature | Fixed CPM | Cost Plus |
CPM Type | Guaranteed | Variable (estimated) |
Impressions | Guaranteed | Not guaranteed |
Billing Basis | Contracted rate | Media cost + platform fee (reported together as effective CPM) |
Best For | Guaranteed delivery / flight campaigns | Flexible, performance-driven campaigns |
Available To | Managed service clients | All self-serve clients (default model) |
🔹 Transparency and Reporting
- Impressions delivered
- Total spend
- Effective CPM (includes platform fees)
- Campaign pacing and performance
Reporting does not separate media CPM and platform fees; they are combined into the effective CPM for simplicity.
🔹 Optimizing for Cost Efficiency
- Test different targeting segments and creatives.
- Monitor CPM trends and adjust bids or audience parameters.
- Review reporting regularly to assess efficiency and adjust delivery strategy.
- High engagement: Podcast listeners are highly engaged and often listen to episodes in their entirety. This captive audience provides an excellent opportunity for your ads to be heard and resonate with listeners.
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