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Fish Audio model product

OpenAudio S1

OpenAudio S1 is a text-to-speech model from Fish Audio.

Updated Sep 8, 2026. Default version: OpenAudio S1

LLMBoard Text-to-Speech Score50.8OpenAudio S1
Coverage35%2 benchmark families
Context windowN/ATokens
Native catalog priceN/APrice unavailable

On this page

  • Capability
  • Benchmarks
  • Arena
  • Pricing
  • Runtime
  • Specification
  • Versions
  • Similar models
  • About
  • FAQ

OpenAudio S1 Capability Profile

This profile uses the model's current scored version. Arena ratings and prices are shown separately.

OpenAudio S1 LLMBoard score breakdown

OpenAudio S1 Benchmark Results

Benchmark scores for OpenAudio S1.

2 rows
Columns

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Benchmark
Score
Rank
Participants
Percentile
Evidence
Evaluated
BenchmarkTTS Arena V2Score1,508.00 eloRank10Participants17Percentile43.75%EvidenceBEvaluatedN/A
BenchmarkArtificial Analysis Text To SpeechScore1,080.00 eloRank42Participants96Percentile56.84%EvidenceBEvaluatedN/A

OpenAudio S1 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.

OpenAudio S1 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.

OpenAudio S1 Runtime Performance

Provider-specific output speed and catalog latency for OpenAudio S1. 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.

OpenAudio S1 Specifications

Technical details for the model's default version.

Version
OpenAudio S1
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

OpenAudio S1 Versions

Available versions of this model. The score column identifies the version used in the overall ranking.

1 row
Columns

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Version
Released
LLMBoard
Parameters
Context
Max output
Open weights
License
VersionOpenAudio S1ReleasedN/ALLMBoard50.80ParametersN/AContextN/AMax outputN/AOpen weightsNoLicenseUnspecified

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What is OpenAudio S1?

Key information about OpenAudio S1 and its available data.

OpenAudio S1 is a text-to-speech model from Fish Audio. It is ranked by Artificial Analysis.

Data as of 2026-09-08.

FAQ

Common questions about OpenAudio S1.

When was OpenAudio S1 released?

A release date is not available for the default version.

How much does OpenAudio S1 cost?

No native catalog price is currently available for OpenAudio S1.

Who created OpenAudio S1?

OpenAudio S1 was created by Fish Audio.

What is the context window for OpenAudio S1?

A context window is not available for the default version.

Is OpenAudio S1 open weight?

No. The default version is not marked as having publicly available weights.

How many API providers offer OpenAudio S1?

No provider offering is currently linked to the default version.

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