Audio sample ratesFAQ describes 48 kHz delivery for bespoke voice work. Do not transfer this to Space API defaults or all Marketplace downloads.See specification notes below
LanguagesNot collectedAwaiting source review
Input billingSee billing notesRespeecher AI Voice Lab
Output billingSee billing notesAccess and billing notes below
Specifications
Provider-documented facts. “Not collected” means we have not verified that field yet, not that the feature is unsupported.
Context / input limit
Not collected
No model-specific specification verified; unknown is not unsupported.
Maximum input tokens
Not collected
No model-specific specification verified; unknown is not unsupported.
Maximum output
Not collected
No model-specific specification verified; unknown is not unsupported.
Parameters
Not collected
No model-specific specification verified; unknown is not unsupported.
Release date
Not collected
No model-specific specification verified; unknown is not unsupported.
Knowledge cutoff
Not collected
No model-specific specification verified; unknown is not unsupported.
Tool calling
Not collected
No model-specific specification verified; unknown is not unsupported.
Structured output
Not collected
No model-specific specification verified; unknown is not unsupported.
Streaming
Not collected
No model-specific specification verified; unknown is not unsupported.
Batch processing
Not collected
No model-specific specification verified; unknown is not unsupported.
Fine-tuning
Not collected
No model-specific specification verified; unknown is not unsupported.
Reasoning
Not collected
No model-specific specification verified; unknown is not unsupported.
Context caching
Not collected
No model-specific specification verified; unknown is not unsupported.
Base model
Not collected
No model-specific specification verified; unknown is not unsupported.
Creation privacy
Voice Lab states that private data is not used to train public models. That statement does not prohibit training a customer-specific voice model, and does not establish zero retention.Source for Creation privacy (opens in a new tab)
Source and target recordings are reviewed before project acceptance. Isolated, high-quality voice tracks should cover the required emotional range; no universal minimum duration is specified in the reviewed FAQ.Source for Reference audio (opens in a new tab)
Provider requires explicit consent from the voice owner or estate for custom work. Voice creation has no public self-service enrollment API in the reviewed FAQ.Source for Model terms (opens in a new tab)
Published price
Custom quote. Project option includes model training and provider-run conversions; subscription option trains a model or supplies existing voices and lets the customer operate the UI.Source for Published price (opens in a new tab)
Access & pricing
Prices belong to an endpoint and billing tier. A provider listing does not guarantee access for every account or region.
No immutable checkpoint selector verified; voice IDs identify catalogue profiles.
Access
Project or subscription engagement through https://www.respeecher.com/ai-voice-lab. Access, data acceptance and rights review are arranged with the provider; no public custom-voice enrollment endpoint verified.
Regions
Inference residency not verified; company location is not processing-region evidence.
Endpoint pricing has not been collected. Check the provider for applicable rates.
Data & enterprise terms
Service-specific terms and exact inference retention require confirmation. Website policy retains personal data as necessary, with legal exceptions and international transfers. Its separate AI Voice Assistant appendix promises no model training or voice cloning for assistant conversations and specifies 12-month transcript/technical-data retention. Those assistant-only terms are not a Space TTS or Marketplace inference-retention guarantee.
Caching
Caching can reuse earlier input processing. Availability, lifetime and billing depend on the endpoint. A cache hit still generates a new response.
01 / INITIAL INPUTProcess & retain
The system processes eligible input and retains reusable state.
02 / LATER REQUESTCheck available state
Reuse depends on matching input, session state and the cache policy.
03 / CACHE HITReuse & generate
Reusing state can reduce repeated work. Any charges follow the billing rules below.
Respeecher AI Voice Lab
Not verified
No inference-cache contract verified. WebSocket connection reuse, continuing prosody context, deterministic seeds and saved recordings do not establish discounted input caching.
How it works
Not collected
No inference-cache contract verified. WebSocket connection reuse, continuing prosody context, deterministic seeds and saved recordings do not establish discounted input caching.
Minimum reusable input
Not collected
No inference-cache contract verified. WebSocket connection reuse, continuing prosody context, deterministic seeds and saved recordings do not establish discounted input caching.
Lifetime & refresh
Not collected
No inference-cache contract verified. WebSocket connection reuse, continuing prosody context, deterministic seeds and saved recordings do not establish discounted input caching.
How to enable it
Not collected
No inference-cache contract verified. WebSocket connection reuse, continuing prosody context, deterministic seeds and saved recordings do not establish discounted input caching.
Usage fields
Not collected
No inference-cache contract verified. WebSocket connection reuse, continuing prosody context, deterministic seeds and saved recordings do not establish discounted input caching.
Billing rules
Not collected
No inference-cache contract verified. WebSocket connection reuse, continuing prosody context, deterministic seeds and saved recordings do not establish discounted input caching.
Limits & data boundaries
Not collected
No inference-cache contract verified. WebSocket connection reuse, continuing prosody context, deterministic seeds and saved recordings do not establish discounted input caching.
No verified cache rate for this endpoint. An empty rate is not a zero charge.
Caching reviewed 16 Oct 2026
What the measurements say
No benchmark observations have been added for this model. We do not turn a vendor description into a performance score.
Latency and throughput depend on the host, request size, reasoning settings and load. There is no measured speed or global usage figure in this record.
The record behind the model
Why it is included
Custom training, voice profiles and production services are documented, but no stable shared private checkpoint is identified. Customer-specific voices are adaptations, not enumerated base models.
