LocalClaw/TTS/Granite Speech 5.0 470M TurboCTC
Local ASR model

Granite Speech 5.0 470M TurboCTC

Catalogue summary: Compact Apache-licensed English ASR model from IBM Granite for accurate low-latency and high-throughput local transcription. The 470M-parameter CTC release ships safetensors, runs through native Transformers support, and is explicitly positioned for laptops, smartphones and edge deployments.

Repository editorial metadata; verify comparative claims in the linked upstream material.

Edge readyspeech-to-text transcription1 languagesApache 2.0
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Open model filesRecommended verified starting pointOpen in UnslothLaunches Unsloth Desktop on this modelOpen Python packageVerified package page without exposing a commandOpen on Hugging FaceFiles, licence and model cardCheck my machineOptional: verify the fit with your saved hardware

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Catalogue quality
9.3/10
Catalogue speed
9.8/10
Model size
470M params; BF16/F32 safetensors, ~4 GB+ RAM practical floor
Voices
N/A (ASR: English transcription)

Can Granite Speech 5.0 470M TurboCTC run locally?

Granite Speech 5.0 470M TurboCTC can run locally for offline speech-to-text. Use the verified setup options on this page; no terminal command is required to choose the right path.

Apache 2.0 license. Still verify upstream usage notes before shipping.

Upstream source
realtimelow-latency

Audio profile

Cat. quality
9.3
Cat. speed
9.8
Audio
9.5

Best fit

Granite Speech 5.0 470M TurboCTC is best for offline transcription, speech indexing and local voice pipelines.

Hardware: cpugpuedge

Model details

Type
Local ASR model
Family
granite-speech
Latency
ultra-low
Formats
transformerspytorchsafetensors
Languages
en
Context
16-block conformer CTC ASR, English only, trained on about 60K hours of public and synthetic audio; IBM reports official OpenASR/FFASR results and 12,600+ RTFx throughput on H200

Install locally

01
Check runtimeConfirm the backend supports transformers, pytorch, safetensors on your machine.
02
Open recommended setupUse the app and model links above. LocalClaw does not expose a terminal command.
03
Test locallyRun a short private audio prompt before moving into production workflows.

Good for

  • speech-to-text transcription
  • Edge ready local workflows
  • realtime, low-latency

Watch before shipping

  • Validate pronunciation, latency and artifacts with your own voice samples.
  • Review the upstream license and acceptable-use notes.
  • Benchmark on your target CPU, Apple Silicon or GPU setup.

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