Fish Audio S2.1-Pro Free

fish-audio/s2.1-pro-free

Fish Audio S2.1-Pro Free API pricing

Fish Audio S2.1-Pro Free is free to call on Oxyy. It takes text and audio as input and returns audio, from audio files of up to 50 MB. It is the lowest-priced Fish Audio speech model on Oxyy; for every model and rate, see Fish Audio API pricing.

The same model as S2.1-Pro, served at $0 for development and testing under a fair-use policy.
ModalitiesTextAudioAudio

Providers

Where this model runs, and what each route costs. Requests are sent to a healthy provider automatically; if one errors, the gateway retries against another serving the same model.

ProviderPriceUnit
Fish AudioFree—

Capabilities (7)

StreamingVoice CloningMulti SpeakerEmotion ControlPronunciation DictionariesPhoneme ControlOpen Weights

Supported parameters (21)

modeltextreference_idreferencestemperaturetop_pprosodychunk_lengthmin_chunk_lengthnormalizeformatsample_ratemp3_bitrateopus_bitratelatencymax_new_tokensrepetition_penaltycondition_on_previous_chunksearly_stop_thresholdfeaturespronunciation_dictionary

Any other parameter you send is ignored rather than rejected.

Pricing

What this model costs on Oxyy, pay as you go, with no subscription.

Price
Free
No charge per request
RateStandard priceChargedUnit
Per 1K characters$0$0per 1K characters

Specifications

Model ID
s2.1-pro-free
Developer
Fish Audio
Type
Text to speech
Input
Text and audio
Output
Audio
Audio input
Up to 50 MB each · WAV, MPEG, FLAC
Endpoint
/v1/audio/speech

Best for

Text to speechVoice cloningEmotion control

Quickstart

Call s2.1-pro-free with a POST to /v1/audio/speech on https://api.oxyy.ai, using your Oxyy API key from the OXYY_API_KEY environment variable. The same key works for every model in the catalog.

import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.oxyy.ai/v1",
    api_key=os.environ["OXYY_API_KEY"],
)

with client.audio.speech.with_streaming_response.create(
    model="s2.1-pro-free",
    voice="alloy",
    input="Hello from Oxyy.",
    response_format="mp3",
) as response:
    response.stream_to_file("speech.mp3")

Availability

The share of requests to this model that completed successfully over the last 30 days. When an upstream provider errors, the gateway retries against another provider serving the same model, so a single provider incident does not necessarily show up here.

Requests (30 days)
7
A success rate is shown from 100 completed requests
Days with traffic
3
of the last 30 days

Frequently asked questions

What is Fish Audio S2.1-Pro Free?
The same model as S2.1-Pro, served at $0 for development and testing under a fair-use policy.
How much does Fish Audio S2.1-Pro Free cost?
Fish Audio S2.1-Pro Free is free to call on Oxyy.
How do I call Fish Audio S2.1-Pro Free through the API?
Send a POST request to https://api.oxyy.ai/v1/audio/speech with "model": "s2.1-pro-free", authenticated with your Oxyy API key. Put the text in "input" and choose a "voice"; the response body is the audio file.
What inputs and outputs does Fish Audio S2.1-Pro Free support?
Fish Audio S2.1-Pro Free accepts text and audio as input and returns audio.
What other models does Fish Audio have?
Fish Audio also offers Fish Audio S1, Fish Audio S2.1-Pro, Fish Audio S2-Pro and Voice Design 1 through Oxyy.

Alternatives to Fish Audio S2.1-Pro Free

Models of the same kind from other vendors, closest in price first. Prices are pay-as-you-go on Oxyy, through the same API key.

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