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Model infoModelsSnapshot: 15 Oct 2026

Deepgram / Flux STT

Flux STT English

Conversational speech recognition with native end-of-turn detection for live voice agents.

availableClosed weightsSpeech-to-textTranscriptionTurn detection
Official documentation (opens in a new tab)Reviewed 12 Oct 2026
5 of 17 specification fields collected
Context windowNot collectedAwaiting source review
Maximum outputNot collectedAwaiting source review
Input billingSee ratesDeepgram API
Output billingSee ratesPublished units and conditions 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
Maximum output
Not collected
Reasoning
Not collected
Tool calling
Not collected
Structured output
Not collected
Batch processing
Not collected
Fine-tuning
Not collected
Knowledge cutoff
Not collected
Release date
Not collected
Parameters
Not collected
Architecture
Not collected
Languages
English (all accents): enSource for Languages (opens in a new tab)
Context caching
Not collected

See endpoint caching records. No verified support claim for this model.

Supported API routes
WebSocket /v2/listenSource for Supported API routes (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.

API model ID
flux-general-en
Access
Streaming speech recognition through /v2/listen; this is not a TTS voice.
Regions
Regional routing and residency terms have not been verified for this endpoint.

Prices retain their published currencies and billing units below.

Published billing units · original currency · observed 12 Oct 2026
CategoryUsageRateUnit
Pay As You GoStreaming transcription1$0.0065audio minute
GrowthStreaming transcription2$0.0057audio minute

Rate conditions

  1. Limited-time published rate; regular PAYG rate $0.0077/minute. End date not published in the reviewed table.
  2. Alternative Growth prepaid plan; $4,000+/year. Flux English rate is promotional, with no verified expiration date.
Pricing source (opens in a new tab)

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.

Deepgram API

flux-general-en
Not verified

Provider-side caching has not been verified for this endpoint. Missing documentation is not evidence that caching is unsupported.

How it works
Not collected
Minimum reusable input
Not collected
Lifetime & refresh
Not collected
How to enable it
Not collected
Usage fields
Not collected
Billing rules
Not collected
Limits & data boundaries
Not collected

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

Deepgram describes its speech model weights as proprietary, including private deployment under provider control. These named native speech models are catalogued separately from its hosted open-weight Whisper service.

Classification evidence (opens in a new tab)

Sources reviewed