Most pricing comparisons break down the moment your product uses more than text. Image generation, speech synthesis and video models are usually billed by a different unit, on a different page, from a different vendor.
The multi-modality problem
A typical AI product ends up with four billing relationships: one for chat completions, one for image generation, one for TTS/STT, and one for video. Each has its own dashboard, its own top-up, and its own definition of what counts as a unit.
The hidden cost isn't the per-token rate — it's the operational overhead of reconciling four invoices and the engineering time spent integrating four SDKs.
What a unified bill changes
When text, image, voice and video all draw from the same prepaid wallet behind one [OI]-compatible key, three things get simpler:
- Forecasting. One balance, one burn rate, one alert threshold.
- Experimentation. Trying a new video model costs nothing extra to integrate — it's a model id.
- Cost attribution. Tag requests by feature and see true per-feature spend across modalities.
Reading the rate card
Per-token pricing for text is straightforward. For image, look at per-image rates at your target resolution. For speech, per-character or per-second. For video, per second of generated output — that's usually the biggest number on the page, so validate it with a small batch first.
Our full table covers all four modalities on one page: KeyoAPI [OI] rates.
If you're currently juggling separate providers per modality, compare [OI] API pricing on KeyoAPI against the sum of your existing invoices — including the engineering time.
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