OpenLuxDoubao models API
Doubao Voice 2 turns text into natural speech for $0.014 per 1,000 characters on OpenLux, with low latency and multilingual output on the same key as the text and image models.
Calling Doubao models on OpenLux
Speech is the layer that turns a text product into an audio one: narrated articles, spoken replies, IVR prompts and accessible versions of written content. Doubao Voice 2 concentrates on the practical part of that job — delivery that stays comfortable over long passages, latency low enough for interactive use, and a price denominated per character rather than per minute.
Character-based metering makes a script budgetable before it is recorded: a thousand characters cost $0.014, so a long article costs a few cents and a whole series stays in the low dollars. Multilingual output means one pipeline serves several markets without a second vendor.
It runs on the OpenLux endpoint, so the same application can write with a text model, illustrate with an image model and speak the result — one key, one bill, one place to watch cost.
Why teams call Doubao on OpenLux
Natural delivery
Phrasing and pacing that hold up over long narrations rather than sounding like a flat read-out.
Low latency
Fast enough for conversational interfaces, where a pause is more noticeable than the voice itself.
Multilingual
Produces output in more than one language, so localised versions need no extra voice contracts.
Per-character pricing
At $0.014 per 1,000 characters, the cost of a script is known before it is synthesised.
Rates for Doubao models
| Model | Category | Rate | Discount |
|---|---|---|---|
| doubao-voice-2 | Audio & video | $0.014 per 1K chars | — |
Rates are USD, metered pay as you go with no subscription. See the full model catalogue and pricing plans for credit allowances.
Where Doubao models fit
Audio articles
Give written content a spoken edition for commuters and accessibility without a studio.
Assistant voices
Speak agent and chatbot responses in real time, generated by the same pipeline that writes them.
Localised notices
Produce the same announcement in several languages from a single source text.
Doubao on OpenLux questions
How much does Doubao Voice 2 cost on OpenLux?
$0.014 per 1,000 characters, metered pay as you go — about a cent and a half per thousand characters of speech.
How do I call it?
Send "model": "doubao-voice-2" with the text and target voice to the OpenLux endpoint using your API key, alongside the other models in your pipeline.
Is it fast enough for live use?
Yes. It is built for low-latency synthesis, which makes it suitable for chat replies and voice interfaces rather than offline generation only.
Which models pair well with it?
A text model to write and Doubao Voice 2 to speak — and Suno V6 for music when the asset needs a soundtrack too.
Start calling Doubao models today
One OpenLux key covers Doubao and every other provider in the catalogue, metered in USD with real-time cost in the console.