NVIDIA model product
stt_en_fastconformer_ctc_large
stt_en_fastconformer_ctc_large is an NVIDIA STT model ranked on the Open ASR Leaderboard.
Updated Oct 23, 2026. Default version: stt_en_fastconformer_ctc_large
LLMBoard Speech-to-Text Score44.0stt_en_fastconformer_ctc_large
Coverage45%1 benchmark families
Context windowN/ATokens
Native catalog priceN/APrice unavailable
stt_en_fastconformer_ctc_large Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
stt_en_fastconformer_ctc_large Benchmark Results
Benchmark scores for stt_en_fastconformer_ctc_large.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkOpen ASR Leaderboard Overall | Score8.97 wer | Rank41 | Participants63 | Percentile35.48% | EvidenceB | EvaluatedN/A |
stt_en_fastconformer_ctc_large Arena Results
Preference and agent-evaluation results for the default version.
No Arena results
The default version does not have a matching Arena result yet.
stt_en_fastconformer_ctc_large Pricing
Prices are shown in the model's native media unit and resolution tier.
- Native price
- N/A
- Price unit
- N/A
- Tier
- Standard
- Tracked offerings
- 0
No price available
This model does not have a current media price.
Media catalog prices are not converted into token input or output prices.
stt_en_fastconformer_ctc_large Runtime Performance
Provider-specific output speed and catalog latency for stt_en_fastconformer_ctc_large. Runtime does not affect the capability score.
No runtime data
No provider-specific speed or latency record is linked to the default version yet.
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
stt_en_fastconformer_ctc_large Specifications
Technical details for the model's default version.
- Version
- stt_en_fastconformer_ctc_large
- Released
- Unknown
- Knowledge cutoff
- Unknown
- Parameters
- N/A
- Context window
- N/A
- Max output
- N/A
- Inputs
- Unspecified
- Outputs
- text
- Open weights
- No
- License
- Unspecified
stt_en_fastconformer_ctc_large Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
Sort by
Version | Released | LLMBoard | Parameters | Context | Max output | Open weights | License |
|---|
| Versionstt_en_fastconformer_ctc_large | ReleasedN/A | LLMBoard43.95 | ParametersN/A | ContextN/A | Max outputN/A | Open weightsNo | LicenseUnspecified |
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What is stt_en_fastconformer_ctc_large?
Key information about stt_en_fastconformer_ctc_large and its available data.
stt_en_fastconformer_ctc_large is an NVIDIA model for STT. It is listed as a ranked model on the Open ASR Leaderboard.
Data as of 2026-10-22.
FAQ
Common questions about stt_en_fastconformer_ctc_large.
When was stt_en_fastconformer_ctc_large released?
A release date is not available for the default version.
How much does stt_en_fastconformer_ctc_large cost?
No native catalog price is currently available for stt_en_fastconformer_ctc_large.
Who created stt_en_fastconformer_ctc_large?
stt_en_fastconformer_ctc_large was created by NVIDIA.
What is the context window for stt_en_fastconformer_ctc_large?
A context window is not available for the default version.
Is stt_en_fastconformer_ctc_large open weight?
No. The default version is not marked as having publicly available weights.