PlayAI / PlayHT

Developer of PlayHT and PlayDialog speech-generation engines. This collection preserves documented historical releases and their host-specific availability.

Six documented speech engines, native HTTP/WebSocket/batch transports, stock voices and retired Groq deployments reviewed. Native service availability and prices remain unverified; PlayDiffusion has public weights and is excluded.

Closed-weight models

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Input tokensOutput tokens

Estimate = (input tokens × input price + output tokens × output price) / 1,000,000. Include conversation history in input and billed reasoning in output. Input-only decision models ignore the output setting; enter all billed input for one decision, including its question and criteria. Media, tools and discounts are separate.

6 models

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Model input and output limits, prices and estimated cost per question at the selected token counts.
Input tokensPublished limit*	Output tokensMaximum per response*	Input pricePer 1M tokens	Cost per question1,000 input + 500 outputEstimated · uncached
2,000 characters per HTTP streaming requesttext input	MP3, μ-lawoutput formats	Usage pricingNot collected	Different billing unitPrice details ↗
2,000 characters per HTTP streaming requesttext input	MP3, μ-law, WAV, OGG, FLACoutput formats	Usage pricingNot collected	Different billing unitPrice details ↗
2,000 characters per HTTP streaming requesttext input	MP3, μ-law, WAV, OGG, FLACoutput formats	Usage pricingNot collected	Different billing unitPrice details ↗
20,000 characters per HTTP streaming requesttext input	MP3, μ-law, WAV, OGG, FLACoutput formats	Usage pricingNot collected	Different billing unitPrice details ↗
2,000 characters per HTTP streaming requesttext input	MP3, μ-law, WAV, OGG, FLACoutput formats	Usage pricingNot collected	Different billing unitPrice details ↗
2,000 characters per HTTP streaming requesttext input	WAVoutput formats	Usage pricingNot collected	Different billing unitPrice details ↗

* Media models show their native limits. A shared context window includes both input and output tokens.

Original currency and billing unit, without currency conversion. Rates are dated snapshots; open the conditions for tiers, promotions and endpoint restrictions.How to read the data

Catalog coverage

Closed-weight model variants and explicitly identified closed-source managed model components across language, code, image, video, audio and other documented modalities. Global provider and historical-release coverage is being expanded; this is not yet exhaustive. 172 company reviews are still open.

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