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Generate speech from text via POST /audio/speech, and clone a voice via POST /audio/voices. Covers TTS models (Kokoro, Qwen 3, xAI, Inworld, Chatterbox, Orpheus, ElevenLabs Turbo, MiniMax, Gemini Flash, Gradium), voices per family, cloned-voice handles, output formats (mp3/opus/aac/flac/wav/pcm), streaming, prompt/emotion styling, temperature/top_p, and language hints.
Passed 23 of 23 test cases with the skill, and 6 of 23 without it.
and 23 more in the full report
17 fixed6 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 17 test cases the skill fixed. Same model, same prompt, with and without the skill.
I want to convert a brief announcement into an MP3 file using Venice's text-to-speech API. Please provide a complete cURL command targeting the speech endpoint, utilizing the xAI TTS model and the 'eve' voice option to generate and save 'welcome.mp3'.
| Checked | Without skill | With skill |
|---|---|---|
| The cURL command targets https://api.venice.ai/api/v1/audio/speech. | Passed | Passed |
| The request body sets model to tts-xai-v1. | Missed | Passed |
| The request body sets voice to eve. | Passed | Passed |
The instructions your model reads when the skill loads.
/audio/speech)POST /api/v1/audio/speech converts text to an audio stream or file. OpenAI-compatible — the OpenAI SDK's audio.speech.create() works as a drop-in.
| Method | Path | Auth | Notes |
|---|---|---|---|
POST | /api/v1/audio/speech | Bearer key or x402 (SIWX) | JSON body, returns raw audio. Billed per input character. |
POST | /api/v1/audio/voices | Bearer key or x402 (SIWX) | multipart/form-data. Clone a voice → vv_… handle. There is no GET /audio/voices. |
For music, sound effects and the character-priced ElevenLabs TTS models — v3, v4, v4 Turbo, Multilingual v2 — (async), see venice-audio-music. For transcription (audio → text), see venice-audio-transcription.
curl https://api.venice.ai/api/v1/audio/speech \
-H "Authorization: Bearer $VENICE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "tts-xai-v1",
"voice": "eve",
"input": "Hello, welcome to Venice Voice.",
"response_format": "mp3",
"speed": 1.0,
"streaming": false
}' --output hello.mp3
Response is the raw audio. Content-Type is audio/mpeg, audio/opus, audio/aac, audio/flac, audio/wav or audio/pcm depending on the format actually produced.
The body is strict — unknown fields return 400.
test cases passed, vs 6 / 23 without
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