Text to speech API · Alibaba
Qwen Audio 3.1 TTS Flash API pricing per 1,000 characters
Turn text into speech with Alibaba's Qwen Audio 3.1 TTS Flash through the Cut.Pro API. You see the price before you generate and pay only for what you use.
- Pay as you go, no subscription
- 15 free credits on a new account
- Free quote before every call
From$0.0055per 1,000 charactersR$0.0183 · 1 credit10,000 characters: $0.0546Updated November 07, 2026
Pricing
Qwen Audio 3.1 TTS Flash pricing by mode and resolution
| Mode | Price per 1,000 characters | In reais | Credits |
|---|---|---|---|
| Text only | $0.0055 | R$0.0183 | 1 credit |
Updated November 07, 2026. Prices use the cheapest credit pack: 1 credit costs $0.0179 (R$0.0599).
Limits
What Qwen Audio 3.1 TTS Flash accepts in each request
- Modes
- Text only
- Billing
- by the characters read
Code
How to call Qwen Audio 3.1 TTS Flash free quote, generation and result
VOICE=$(curl -s "https://api.cut.pro/api/v1/models?endpoint=generations&kind=speech" \
-H "X-Api-Key: $CUTPRO_API_KEY" | jq -r '.models[] | select(.id == "alibaba/qwen-audio-3.1-tts-flash") | .voices[0].id')
BODY=$(jq -cn --arg voice "$VOICE" '{"model":"alibaba/qwen-audio-3.1-tts-flash","prompt":"Hi! This audio was generated with the Cut.Pro API.","voice":$voice}')
CREDITS=$(curl -s -X POST https://api.cut.pro/api/v1/generations/quote \
-H "X-Api-Key: $CUTPRO_API_KEY" \
-H "Content-Type: application/json" \
-d "$BODY" | jq .credits)
curl -X POST "https://api.cut.pro/api/v1/generations?wait=60" \
-H "X-Api-Key: $CUTPRO_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $(uuidgen)" \
-d "$(jq -c --argjson credits "$CREDITS" '. + {credits: $credits}' <<< "$BODY")"const api = "https://api.cut.pro/api/v1";
const headers = { "X-Api-Key": process.env.CUTPRO_API_KEY, "Content-Type": "application/json" };
const { models } = await fetch(`${api}/models?endpoint=generations&kind=speech`, { headers }).then((res) => res.json());
const voice = models.find((model) => model.id === "alibaba/qwen-audio-3.1-tts-flash").voices[0].id;
const body = {
model: "alibaba/qwen-audio-3.1-tts-flash",
prompt: "Hi! This audio was generated with the Cut.Pro API.",
voice,
};
const quote = await fetch(`${api}/generations/quote`, { method: "POST", headers, body: JSON.stringify(body) }).then((res) => res.json());
let generation = await fetch(`${api}/generations?wait=60`, {
method: "POST",
headers: { ...headers, "Idempotency-Key": crypto.randomUUID() },
body: JSON.stringify({ ...body, credits: quote.credits }),
}).then((res) => res.json());
while (generation.status === "processing") {
generation = await fetch(`${api}/generations/${generation.id}?wait=60`, { headers }).then((res) => res.json());
}
console.log(generation.output?.url ?? generation.error_code);import os, uuid, requests
API = "https://api.cut.pro/api/v1"
headers = {"X-Api-Key": os.environ["CUTPRO_API_KEY"]}
models = requests.get(f"{API}/models", params={"endpoint": "generations", "kind": "speech"}, headers=headers).json()["models"]
voice = next(model for model in models if model["id"] == "alibaba/qwen-audio-3.1-tts-flash")["voices"][0]["id"]
body = {
"model": "alibaba/qwen-audio-3.1-tts-flash",
"prompt": "Hi! This audio was generated with the Cut.Pro API.",
"voice": voice,
}
quote = requests.post(f"{API}/generations/quote", json=body, headers=headers).json()
generation = requests.post(
f"{API}/generations",
params={"wait": 60},
json={**body, "credits": quote["credits"]},
headers={**headers, "Idempotency-Key": str(uuid.uuid4())},
).json()
while generation["status"] == "processing":
generation = requests.get(f"{API}/generations/{generation['id']}", params={"wait": 60}, headers=headers).json()
print(generation["output"]["url"] if generation["status"] == "ready" else generation["error_code"])Read the docsQuestions
API questions before your first call
- Each 1,000 characters cost $0.0055, so 10,000 characters come to $0.0546 (R$0.18, 4 credits).
- Create an account, make a key and send the request to the quote, which charges nothing. The 15 free credits cover 49,100 characters with Qwen Audio 3.1 TTS Flash.
- No. Buy a credit pack by card, or in reais with Pix from Brazil, and spend it on Qwen Audio 3.1 TTS Flash and every other model with the same key.
- No. The Cut.Pro key calls Qwen Audio 3.1 TTS Flash without a Alibaba account, with one balance for every model in the catalog.
- Yes. With a CPF or CNPJ and full address in your billing details, the nota fiscal is issued after each payment is confirmed.
Still missing one? Help center
Compare
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