Lowest cost
audio generation API.

One endpoint for speech, music, and sound effects. Open source on Runware hardware, closed source at market rates. Pay per generation, no subscriptions.

minimax:[email protected]live
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Now renderingMiniMax Music 2.6
OutputMusic
Why Runware

Every audio model, one API.

Speech, music, and sound effects on a single endpoint, from every leading provider. Pay per generation, with no subscriptions to commit to.

One endpoint

For speech, music, SFX

Every leading audio model from every major provider. One account, one bill.

Fully PAYG

No subs or contracts

Pay per generation. No subscription tiers, no credit bundles, no minimums.

Low latency

Built for responsive speech

Models tuned for conversational and interactive voice.

99.99%

Target uptime

Built on the Sonic Inference Engine. Live status at status.runware.ai.

Pick your job

Start with the outcome you need.

One endpoint covers speech, music, and sound effects. Pick what you're making, and start from the model built for it.

Speech / TTS

Turn text into natural, expressive speech for narration, voice agents, dubbing, and in-app voice, across dozens of languages.

Flight log voiceover

Recommended models

Music

Generate full tracks from a prompt, vocal songs or instrumentals, with control over structure, genre, and style.

Crystalline electronic ambient track

Recommended models
  • Full songs (vocal + instrumental)
    minimax:[email protected]

    Full songs or instrumentals from natural-language prompts. Follows BPM and key, with section-level structure control.

  • Song cover / restyle
    minimax:music@cover

    Reimagine an existing track in a new style. Keeps the vocal melody while changing timbre, instrumentation, and genre from a prompt.

  • Open-source music at length
    runware:[email protected]

    Open-source generation for longer compositions, with cover, remix, and lyric editing.

Sound effects

Generate ambient sound, effects, and textures from a text description.

Cooking eggs in a frying pan

Recommended models
  • Cinematic SFX
    mirelo:1@1

    Describe a sound and get a usable effect for UI cues, game audio, and atmosphere.

  • Versatile text-to-audio
    bytedance:[email protected]

    Generate expressive voice, music and SFX sounds in one call.

Voice cloning & design

Build a custom voice from a short sample or a written description.

A cheerful, young American woman.

Recommended models
Model lineup

One account. Top providers.

Every leading audio provider on one endpoint, with the same auth and the same bill.Switching model is a string change.

MiniMax

Music and speech in one house.

MiniMax Music 2.6: full songs & instrumentals

minimax:[email protected]

MiniMax Music Cover: song-to-song restyle

minimax:music@cover

MiniMax Speech 2.8: broadcast-ready TTS

minimax:[email protected]

Inworld

Low-latency, conversational speech.

Inworld Realtime TTS-2: conversational, 100+ languages

inworld:tts@2

Inworld TTS-1.5 Max: high-fidelity voice

inworld:[email protected]

Inworld TTS-1.5 Mini: ultra-low latency

inworld:[email protected]

Alibaba (Qwen-TTS)

Human-like speech, cloning, and voice design.

Qwen3-TTS 1.7B Base: clone from a 3s sample

alibaba:[email protected]

Qwen3-TTS 1.7B CustomVoice: preset timbres, style control

alibaba:[email protected]

Qwen3-TTS 1.7B VoiceDesign: voice from a description

alibaba:[email protected]

ACE-Step

Open-source music, up to 10 minutes.

ACE-Step v1.5 Base: open-source, long-form

runware:[email protected]

ACE-Step v1.5 Turbo: speed-optimized

runware:[email protected]

Fish Audio

Expressive, low-latency text to speech.

Fish Audio S2.1 Pro: expressive, 80+ languages

fishaudio:s2.1@pro

Google (Gemini TTS)

Expressive speech with fine delivery control.

Gemini 3.1 Flash TTS: audio tags, 70+ languages

google:[email protected]

xAI

Natural spoken audio in one call.

xAI Text-to-Speech: five voices, 20+ languages

xai:tts@0

ByteDance

Speech and audio generation.

Seed Audio 1.0: expressive TTS, voice conversion, speech editing

bytedance:[email protected]

Mirelo

Dedicated sound-effects generation.

Mirelo SFX 1.5: sound effects from text

mirelo:1@1
Generation modes

Any workflow, one request.

A single endpoint covers every audio workflow. Pass the relevant inputs and Runware routes the request to the right one. No need to switch endpoints to switch task type.

Text to speech

Pass speech.text

Pass the text to speak and the model returns natural speech. The simplest workflow.

{
  "taskType": "audioInference",
  "taskUUID": "...",
  "model": "fishaudio:s2.1@pro",
  "speech": {
    "text": "Welcome to Runware. Every audio model, one API."
  }
}
Production use cases

Built for production. Not just demos.

One integration covers speech, music, and sound effects. These are the applications teams build on it.

Voice agents & IVR

Give agents and phone systems a natural voice, with low-latency models built for real conversation.

Audiobooks & narration

Turn long-form text into expressive narration, with fine control over pacing and emotion.

Game audio & SFX

Generate character voices and sound effects on demand, so you can fill a world without booking a studio.

Dubbing & localization

Translate a script with the LLM API, then voice it in the target language through the audio API. Keep the same cloned voice so the speaker sounds like themselves in every market.

Music beds for video/social

Score videos and social clips with original tracks, generated to length and mood.

Accessibility (read-aloud, described content)

Add natural read-aloud and described audio, so more people can use what you build.

Developer tools

Rather not hand-write requests?

Connect Runware to your coding agent or terminal and build without writing calls by hand.

FAQ

Not currently. The audio API is focused on generation: speech, music, and sound effects. Speech-to-text isn't a task type in the audio API.

Audio API

Get an API key.

One endpoint for speech, music, and sound effects.Pay per generation, no subscriptions.