Fish Audio model product
Fish Audio S2.1 Pro
Model ranked by Artificial Analysis.
Updated Aug 18, 2026. Default version: Fish Audio S2.1 Pro
LLMBoard Text-to-Speech Score60.8Fish Audio S2.1 Pro
Coverage35%1 benchmark families
Context windowN/ATokens
Native catalog priceN/APrice unavailable
Fish Audio S2.1 Pro Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
Fish Audio S2.1 Pro Benchmark Results
Benchmark scores for Fish Audio S2.1 Pro.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkArtificial Analysis Text To Speech | Score1,142 Elo | Rank17 | Participants93 | PercentileN/A | EvidenceA | Evaluated |
Fish Audio S2.1 Pro 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.
Fish Audio S2.1 Pro 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.
Fish Audio S2.1 Pro Runtime Performance
Provider-specific output speed and catalog latency for Fish Audio S2.1 Pro. Runtime does not affect the capability score.
No runtime data
Browse runtime rankingsNo 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.
Fish Audio S2.1 Pro Specifications
Technical details for the model's default version.
- Version
- Fish Audio S2.1 Pro
- Released
- Unknown
- Knowledge cutoff
- Unknown
- Parameters
- N/A
- Context window
- N/A
- Max output
- N/A
- Inputs
- text
- Outputs
- audio
- Open weights
- No
- License
- Unspecified
Fish Audio S2.1 Pro 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 |
|---|
| VersionFish Audio S2.1 Pro | ReleasedN/A | LLMBoard60.8 | ParametersN/A | ContextN/A | Max outputN/A | Open weightsN/A | LicenseUnspecified |
Fish Audio S2.1 Pro vs nearby models
Open a comparison with the three ranked models immediately above and below this model.
Models similar to Fish Audio S2.1 Pro
Recommendations prioritize the same model type and family, then the closest LLMBoard score.
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Step TTS 2 (Mar 2026)
StepFun
MI
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What is Fish Audio S2.1 Pro?
Key information about Fish Audio S2.1 Pro and its available data.
Model ranked by Artificial Analysis.
Data as of 2026-08-17.
FAQ
Common questions about Fish Audio S2.1 Pro.
When was Fish Audio S2.1 Pro released?
A release date is not available for the default version.
How much does Fish Audio S2.1 Pro cost?
No native catalog price is currently available for Fish Audio S2.1 Pro.
Who created Fish Audio S2.1 Pro?
Fish Audio S2.1 Pro was created by Fish Audio.
What is the context window for Fish Audio S2.1 Pro?
A context window is not available for the default version.
Is Fish Audio S2.1 Pro open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer Fish Audio S2.1 Pro?
No provider offering is currently linked to the default version.
What models should I compare Fish Audio S2.1 Pro with?
Nearby ranked alternatives include Speech 2.8 Turbo, Async Flash v1.5, Step TTS 2 (Mar 2026).