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Model infoModelsSnapshot: 15 Oct 2026

IBM / Watson speech analysis

Watson Spoken Language Identification

Managed classifier that identifies the spoken language continuously from an audio stream and returns confidence scores.

Audio processing
availableClosed weightsAudio processing
Official documentation (opens in a new tab)Reviewed 14 Oct 2026
6 of 17 specification fields collected
Context windowNot collectedAwaiting source review
Maximum outputNot collectedAwaiting source review
Input billingNot collectedIBM Watson Speech to Text
Output billingNot collectedNo inferred price

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
Maximum output
Not collected
Input modalities
AudioSource for Input modalities (opens in a new tab)
Output modalities
Language labels, Confidence scoresSource for Output modalities (opens in a new tab)
Reasoning
Not collected
Tool calling
Not collected
Structured output
Not collected
Streaming
SupportedSource for Streaming (opens in a new tab)
Batch processing
Not collected
Fine-tuning
Not collected
Knowledge cutoff
Not collected
Release date
2025-11-03Source for Release date (opens in a new tab)

GA announcement; an earlier preview date is not established here.

Parameters
Not collected
Architecture
Not collected
Languages
View all 14 entries
  • English
  • French
  • German
  • Japanese
  • Portuguese
  • Spanish
  • Chinese
  • Italian
  • Korean
  • Swedish
  • Hindi
  • Dutch
  • Arabic
  • Czech
Source for Languages (opens in a new tab)
Context caching
Not collected
Confidence threshold
0.99Source for Confidence threshold (opens in a new tab)

Default lid_confidence; configurable from 0 to 1. This is a decision threshold, not a measured accuracy.

Access & pricing

Prices belong to an endpoint and billing tier. A provider listing does not guarantee access for every account or region.

IBM Watson Speech to Text

Provider source (opens in a new tab)
API model ID
Not collected

Select a voice or call the documented feature route; no separate model_id is exposed.

Access
POST /v1/detect_language; returns language_info and confidence scores. No model selector is shown.
Regions
Use the service-instance URL for the provisioned region. Product-edition and voice-specific availability apply; no universal residency guarantee inferred.
route
/v1/detect_languageSource for route (opens in a new tab)

Endpoint pricing has not been collected. Check the provider for applicable rates.

Data & enterprise terms

Retention, training use, regional processing and enterprise terms have not been summarized for this endpoint.

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.

IBM Watson Speech to Text

Not verified

No provider-priced inference cache contract verified. Client-side audio reuse is not provider prompt caching.

How it works
Not collected

No provider-priced inference cache contract verified. Client-side audio reuse is not provider prompt caching.

Minimum reusable input
Not collected

No provider-priced inference cache contract verified. Client-side audio reuse is not provider prompt caching.

Lifetime & refresh
Not collected

No provider-priced inference cache contract verified. Client-side audio reuse is not provider prompt caching.

How to enable it
Not collected

No provider-priced inference cache contract verified. Client-side audio reuse is not provider prompt caching.

Usage fields
Not collected

No provider-priced inference cache contract verified. Client-side audio reuse is not provider prompt caching.

Billing rules
Not collected

No provider-priced inference cache contract verified. Client-side audio reuse is not provider prompt caching.

Limits & data boundaries
Not collected

No provider-priced inference cache contract verified. Client-side audio reuse is not provider prompt caching.

No verified cache rate for this endpoint. An empty rate is not a zero charge.

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

IBM documents this proprietary Watson speech service model or managed voice family. The service exposes recognition/voice selectors, not downloadable trained checkpoints. Closed-weight classification is inferred for the product model; public Granite Speech research releases and referenced open research implementations are separate.

Classification evidence (opens in a new tab)

Sources reviewed