StepFun model product
StepAudio 2.5 ASR
5 ASR is a speech-to-text model from StepFun.
Updated Sep 8, 2026. Default version: StepAudio 2.5 ASR
LLMBoard Speech-to-Text Score55.1StepAudio 2.5 ASR
Coverage45%1 benchmark families
Context windowN/ATokens
Native catalog priceN/APrice unavailable
StepAudio 2.5 ASR Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
StepAudio 2.5 ASR Benchmark Results
Benchmark scores for StepAudio 2.5 ASR.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkArtificial Analysis Speech To Text | Score0.00 index | Rank08 | Participants58 | Percentile87.72% | EvidenceB | EvaluatedN/A |
StepAudio 2.5 ASR 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.
StepAudio 2.5 ASR 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.
StepAudio 2.5 ASR Runtime Performance
Provider-specific output speed and catalog latency for StepAudio 2.5 ASR. 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.
StepAudio 2.5 ASR Specifications
Technical details for the model's default version.
- Version
- StepAudio 2.5 ASR
- Released
- Unknown
- Knowledge cutoff
- Unknown
- Parameters
- N/A
- Context window
- N/A
- Max output
- N/A
- Inputs
- audio
- Outputs
- text
- Open weights
- No
- License
- Unspecified
StepAudio 2.5 ASR 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 |
|---|
| VersionStepAudio 2.5 ASR | ReleasedN/A | LLMBoard55.09 | ParametersN/A | ContextN/A | Max outputN/A | Open weightsNo | LicenseUnspecified |
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What is StepAudio 2.5 ASR?
Key information about StepAudio 2.5 ASR and its available data.
5 ASR is a speech-to-text model ranked by Artificial Analysis.
Data as of 2026-09-08.
FAQ
Common questions about StepAudio 2.5 ASR.
When was StepAudio 2.5 ASR released?
A release date is not available for the default version.
How much does StepAudio 2.5 ASR cost?
No native catalog price is currently available for StepAudio 2.5 ASR.
Who created StepAudio 2.5 ASR?
StepAudio 2.5 ASR was created by StepFun.
What is the context window for StepAudio 2.5 ASR?
A context window is not available for the default version.
Is StepAudio 2.5 ASR open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer StepAudio 2.5 ASR?
No provider offering is currently linked to the default version.