ctxdexSynthetic model data for learning
Active modelSource AvailableSpeech Recognition1

Ctxdex Speech 1

Agent MakersCtxdex Speech

A first-generation speech recognition model in the Ctxdex Speech family for speech recognition and transcription.

AcceptsAudioProducesTextReleasedAnnounced
View pricing

The pricing calculator is not yet built.

Data captured as of

Overview

Intended useBest suited for speech recognition and transcription.
FamilyCtxdex SpeechSpeech recognition, synthesis and realtime audio family.
AnnouncedAnnounced
DeprecatedNot applicableModel is current.
RetiredNot applicableModel is not retired.

What it does

Capabilities carry their support status; tasks are labels, because seven descriptions would bury the section.

Capabilities (0)

None recordedNo capability is recorded for this model.

Tasks (1)

Speech Recognition

Inputs & Outputs

Each modality is paired with the representation it is carried in, so a non-token model reads the same way a text one does.

Accepts

  • AudioSpeech Audio

Produces

  • TextPlain Text

Technical Characteristics

A characteristic with no value states why it has none. An absence here is a recorded fact, not a gap in the page.

Architecture classAUDIO_TRANSFORMER

Availability

Current offering available

Agent Makers

First Party Managed Api

Active offering
Effective from

Serving surfaces

Speech Recognition API · Active

Nimbrex Cloud

Cloud Managed Model

Active offering
Effective from

Serving surfaces

Speech Recognition API · Active

Oryventa Models

Hosted Open Model

Active offering
Effective from

Serving surfaces

Speech Recognition API · Active

Runvora Inference

Serverless Inference

Active offering
Effective from

Serving surfaces

Speech Recognition API · Active
Historical offeringsNone recorded
Downloadable distributionsNone recordedNo downloadable artefact has been published under these terms.

Serving Performance

Measured as of

Every figure is measured under the conditions beside it. Read without them, a latency number claims more than it can.

Measurement basis Synthetic ProfileMetrics 12
MetricTypical valueConditions
Audio Processing Realtime FactorProcessing time divided by input-audio duration; lower is faster.0.171Ratio
Capacity Mode: SHARED_ON_DEMANDDelivery Mode: SYNCHRONOUSProcessing Tier: STANDARDConcurrency Band: C1
Audio Processing Realtime FactorProcessing time divided by input-audio duration; lower is faster.0.171Ratio
Capacity Mode: SHARED_ON_DEMANDDelivery Mode: SYNCHRONOUSProcessing Tier: STANDARDConcurrency Band: C1
Audio Processing Realtime FactorProcessing time divided by input-audio duration; lower is faster.0.155Ratio
Capacity Mode: SHARED_ON_DEMANDDelivery Mode: SYNCHRONOUSProcessing Tier: STANDARDConcurrency Band: C1
Audio Processing Realtime FactorProcessing time divided by input-audio duration; lower is faster.0.191Ratio
Capacity Mode: SHARED_ON_DEMANDDelivery Mode: SYNCHRONOUSProcessing Tier: STANDARDConcurrency Band: C1
First Transcript Response MsLatency to first transcript/recognition result for streaming speech recognition.230Ms
Capacity Mode: SHARED_ON_DEMANDDelivery Mode: STREAMINGInput Size Band: 60S_AUDIOProcessing Tier: STANDARDConcurrency Band: C1
First Transcript Response MsLatency to first transcript/recognition result for streaming speech recognition.235Ms
Capacity Mode: SHARED_ON_DEMANDDelivery Mode: STREAMINGInput Size Band: 60S_AUDIOProcessing Tier: STANDARDConcurrency Band: C1
First Transcript Response MsLatency to first transcript/recognition result for streaming speech recognition.265Ms
Capacity Mode: SHARED_ON_DEMANDDelivery Mode: STREAMINGInput Size Band: 60S_AUDIOProcessing Tier: STANDARDConcurrency Band: C1
First Transcript Response MsLatency to first transcript/recognition result for streaming speech recognition.205Ms
Capacity Mode: SHARED_ON_DEMANDDelivery Mode: STREAMINGInput Size Band: 60S_AUDIOProcessing Tier: STANDARDConcurrency Band: C1
Workload Completion Latency MsCompletion latency for a named, fixed workload profile.9075Ms
Capacity Mode: SHARED_ON_DEMANDDelivery Mode: SYNCHRONOUSProcessing Tier: STANDARDConcurrency Band: C1
Workload Completion Latency MsCompletion latency for a named, fixed workload profile.10435Ms
Capacity Mode: SHARED_ON_DEMANDDelivery Mode: SYNCHRONOUSProcessing Tier: STANDARDConcurrency Band: C1
Workload Completion Latency MsCompletion latency for a named, fixed workload profile.10455Ms
Capacity Mode: SHARED_ON_DEMANDDelivery Mode: SYNCHRONOUSProcessing Tier: STANDARDConcurrency Band: C1
Workload Completion Latency MsCompletion latency for a named, fixed workload profile.11405Ms
Capacity Mode: SHARED_ON_DEMANDDelivery Mode: SYNCHRONOUSProcessing Tier: STANDARDConcurrency Band: C1

Pricing Reference

Reference offering

Agent Makers · First Party Managed Api

Effective fromCaptured as of
MeterBasisRate
Audio InputAudited speech audio-input minute rate$0.0055 / 1Minute
View all pricing

Full pricing for a single offering is one step further in, from this model’s pricing page, because it is addressed by offering and this page carries the model. The calculator is disabled because it is not built.

3 other current offerings are priced separately. This is the publisher's own offering, chosen as the reference — it is not the cheapest by definition. Rates are not comparable across offerings unless meter, unit and conditions match.

Derived chronology

Model Journey

Assembled from this model’s own lifecycle records, its snapshots, its providers’ offering and pricing history, and recorded succession. It is a view over those records, not a second source of truth, and undated lineage is deliberately not on it.

18 events4 scheduled ahead
  • Effective from
    PricingNormalUpcoming

    Agent Makers pricing scheduled

    Offering context: Agent Makers

    Scheduled to take effect on 2026-09-15. Not yet effective.

  • Effective from
    PricingNormalUpcoming

    Nimbrex Cloud pricing scheduled

    Offering context: Nimbrex Cloud

    Scheduled to take effect on 2026-09-15. Not yet effective.

  • Effective from
    PricingNormalUpcoming

    Oryventa Models pricing scheduled

    Offering context: Oryventa Models

    Scheduled to take effect on 2026-09-15. Not yet effective.

  • Effective from
    PricingNormalUpcoming

    Runvora Inference pricing scheduled

    Offering context: Runvora Inference

    Scheduled to take effect on 2026-09-15. Not yet effective.

  • Effective from
    AvailabilityNormal

    Agent Makers · First Party Managed Api: Active

    Offering context: Agent Makers

    Synthetic commercial availability restored.

  • Effective from
    AvailabilityNormal

    Agent Makers · First Party Managed Api: Temporarily Unavailable

    Offering context: Agent Makers

    Synthetic temporary commercial withdrawal; not an operational incident.

Open full journey →

The first control expands this section in place, without filters or navigation. The second opens the standalone journey, which adds filtering on three axes, year grouping, per-event provenance and a shareable address.

Every date is the source record’s own effective date — a model lifecycle date, a snapshot release, an offering’s effective date, a pricing version’s effective-from. None of them is a load or capture timestamp.

Licence & Use Conditions

LicenceAgent Makers Research Source License
Version1.0
SPDX identifierNot applicableNo SPDX identifier is recorded for these terms.
Legal textNo public URI recordedThe terms exist and are held internally; no public address has been published.Captured as of

Use conditions (0)

None recordedNo condition constrains use of this model beyond its licence.

Lifecycle & Lineage

Direct lineage

None recordedNo lineage relationship is recorded for this model.

Recommended replacement for

None recordedNo replacement recommendation is recorded in either direction.

Lifecycle history: Active on 2025-09-23.

Similar Industry Models

Captured as of

A positioning reference, not an equivalence claim. Each row states the axes it was drawn on, and covers only that part of this model's positioning.

GPT-Transcribe

OpenAI

Provider documentation
DirectSpeech To TextStreaming Transcription

Selected as a direct current reference for Ctxdex Speech 1 based on speech to text, streaming transcription.

Checked 2026-09-14 · High confidence

Voxtral Mini Transcribe 2

Mistral AI

Provider documentation
DirectSpeech To TextTranscription

Selected as a direct current reference for Ctxdex Speech 1 based on speech to text, transcription.

Checked 2026-09-14 · High confidence

Scribe v2

ElevenLabs

Provider documentation
CloseSpeech To TextMultilingual

Selected as a close current reference for Ctxdex Speech 1 based on speech to text, multilingual.

Checked 2026-09-14 · High confidence

Comparison method CTXDEX_COMPARABLES_V1.

Resolved from the ctxdex catalogue at build time. Every figure is a stored value or a derivation named in the read model; nothing on this page is computed in the browser.