Identity
- Status
- active
- Developer ID
ibm-granite/granite-speech-5.0-470m-turboctc-nc- Released
- Aug 25, 2026
- Version
- Granite Speech 5.0 TurboCTC NC
- License
- cc-by-nc-sa-4.0
IBMGranite Speech 5.0 TurboCTC NC
Granite Speech 5.0 TurboCTC NC is IBM's research-only 470M-parameter English automatic speech recognition model trained for non-autoregressive CTC transcription.
- Context
- Unknown
- Inputs
- Audio
- Outputs
- Text
- Released
- Aug 25, 2026
Providers & Pricing
Estimate workload cost →At a Glance
Model Facts
Capacity
- Context
- Unknown
- Maximum output
- Unknown
- Total parameters
- 472,993,792
- Active parameters
- Unknown
- Knowledge cutoff
- Not reported
Interface and Access
- Inputs
- Audio
- Outputs
- Text
- API available
- No
- Open weights
- Yes
- Self-hostable
- Yes
- Reasoning
- No
- Vision
- No
- Tool calling
- No
- Capabilities
- automatic-speech-recognition, transcription
This page represents one immutable developer model ID. Serving endpoints, pricing, regions, quantizations, and service tiers attach separately and never create duplicate model records.
Version Lineage
PredecessorUnknown
SuccessorsUnknown
Aliasesgranite-speech-5.0-470m-turboctc-nc, Granite Speech 5.0 TurboCTC NC, ibm-granite/granite-speech-5.0-470m-turboctc-nc
Explicit Unknowns
- Maximum output
- Tokenizer
- Knowledge cutoff
Primary Evidence
Sources and Observation Date
Granite Speech 5.0 TurboCTC NC developer model repositoryIBM · observed Sep 2, 2026ibm-granite/granite-speech-5.0-470m-turboctc-nc Hugging Face inference-provider mappingHugging Face · observed Sep 2, 2026ibm-granite/granite-speech-5.0-470m-turboctc-nc config.json at 0eb7b4fe726aIBM · observed Sep 2, 2026ibm-granite/granite-speech-5.0-470m-turboctc-nc README.md at 0eb7b4fe726aIBM · observed Sep 2, 2026ibm-granite/granite-speech-5.0-470m-turboctc-nc immutable Hub API metadataIBM · observed Sep 2, 2026Introducing Granite 4.2IBM · observed Sep 2, 2026Hugging Face Publishers catalogHugging Face Publishers · observed Sep 2, 2026
Comparable Peers
Related Model Comparisons
| A | Pair | B | Context |
|---|---|---|---|
| vs | family variantsaudio, text | ||
| vs |  VibeVoice-ASR-Streaming-1.5BMicrosoft | cross-developer peersaudio, text | |
| vs | VibeVoice-ASR-Streaming-7BMicrosoft | cross-developer peersaudio, text | |
| vs |  Muse Spark 1.2Meta | cross-developer peersaudio, text | |
| vs |  Gemini 2.5 FlashGoogle DeepMind | cross-developer peerstext | |
| vs | Gemini 2.5 Flash-LiteGoogle DeepMind | cross-developer peerstext | |
| vs | Gemini 2.5 ProGoogle DeepMind | cross-developer peerstext | |
| vs | Gemini 3.7 FlashGoogle DeepMind | cross-developer peerstext | |
| vs |  stable-audio-3-mediumStability AI | cross-developer peersaudio | |
| vs |  MiniMax-Music3MiniMax | cross-developer peersaudio |
Questions
Granite Speech 5.0 TurboCTC NC FAQs
What is Granite Speech 5.0 TurboCTC NC?+
Granite Speech 5.0 TurboCTC NC is IBM's research-only 470M-parameter English automatic speech recognition model trained for non-autoregressive CTC transcription. It is developed by IBM and its current sourced lifecycle status is active.
What inputs and outputs does Granite Speech 5.0 TurboCTC NC support?+
Granite Speech 5.0 TurboCTC NC's current record lists Audio as input and Text as output.
Is Granite Speech 5.0 TurboCTC NC available through an API?+
Granite Speech 5.0 TurboCTC NC is explicitly marked as not API-available in the current record.
How much does Granite Speech 5.0 TurboCTC NC cost through an API?+
No directly sourced token price is currently attached to Granite Speech 5.0 TurboCTC NC. Missing prices remain unknown rather than being inferred from another model or provider.
How large is Granite Speech 5.0 TurboCTC NC?+
The current record lists 472,993,792 total parameters and an unknown active parameter count. Its architecture is GraniteSpeech5ForCTC.
What capabilities and tasks does Granite Speech 5.0 TurboCTC NC support?+
Granite Speech 5.0 TurboCTC NC's recorded capabilities are automatic-speech-recognition and transcription. Its supported tasks are audio and transcription.
Can Granite Speech 5.0 TurboCTC NC be self-hosted?+
Granite Speech 5.0 TurboCTC NC is an open-weight model. Self-hosting is supported, and the recorded license is cc-by-nc-sa-4.0.
Does Granite Speech 5.0 TurboCTC NC have related versions or aliases?+
No predecessor is recorded. No successor is recorded. Recorded aliases are granite-speech-5.0-470m-turboctc-nc, Granite Speech 5.0 TurboCTC NC, and ibm-granite/granite-speech-5.0-470m-turboctc-nc.
Which models can Granite Speech 5.0 TurboCTC NC be compared with?+
The current compatible peer set includes Granite Speech 5.0 TurboCTC, VibeVoice-ASR-Streaming-1.5B, VibeVoice-ASR-Streaming-7B, Muse Spark 1.2, and Gemini 2.5 Flash. Compatibility requires shared sourced modalities and tasks; it does not imply that one model is better. Browse model comparisons →
How current is the Model Markets record for Granite Speech 5.0 TurboCTC NC?+
Granite Speech 5.0 TurboCTC NC was last verified Sep 2, 2026 from IBM's primary source, “Granite Speech 5.0 TurboCTC NC developer model repository.” The evidence is classified as official fact.