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AI Voice — OpenAI: GPT Audio

Uso comercial aceptado Máis de 380 modelos Sen marca de auga Non é preciso rexistrarse
Modelo:
+ GPT-5, Claude, Gemini
Motor TTS Premium
OpenAI: GPT Audio — OpenAI: GPT Audio is an AI model by OpenAI on Free.ai. It supports up to 128,000 tokens of context. Costs approximately 4,781 tokens per message. Try OpenAI: GPT Audio instantly — no sign up needed. Compare it side-by-side with other model…
0 caracteres ~0 fichas
Escalas de custo con contaxe de caracteres
A xerar a voz...

Que fai OpenAI: GPT Audio Como soa?

OpenAI: GPT Audio is an AI model by OpenAI on Free.ai. It supports up to 128,000 tokens of context. Costs approximately 4,781 tokens per message. Try OpenAI: GPT Audio instantly — no sign up needed. Compare it side-by-side with other models.

Probe a caixa de riba con: Ola, chámome Sam, e estou a ler esta mostra para demostrar a voz. — esa é a frase de demostración canónica de TTS.

Cando usar OpenAI: GPT Audio

Audiolibros

Narración de forma longa cun ton consistente. Apegue un capítulo á vez, descargue como WAV ou MP3 e combine externamente.

Introducións de podcast

Aperturas curtas e anuncios. Axuste a velocidade para aforrar enerxía, cambie o formato a MP3 para ficheiros máis pequenos.

IVR + correo de voz

Solicitudes do sistema telefónico. Saída con calidade de estudio sen reserva, gravación ou NDAs con talento de voz.

Accesibilidade

Engadir son xunto co contido escrito para lectores con problemas de visión e dislexia. Insira en calquera páxina.

Frases de exemplo

"Welcome to the show, today we are exploring the future of AI."
"Your package has arrived. Please retrieve it from the front desk."
"Once upon a time, in a quiet village far away, lived a curious child."
"Press one for sales, two for support, or stay on the line for an agent."
"Breaking news: scientists have discovered a new species of deep-sea fish."
"Thank you for choosing us. We appreciate your business and look forward to serving you again."

Prezos

TTS Premium. O custo varía segundo o número de caracteres, normalmente ~30 fichas por carácter. $1 compra 750. 000 fichas; un paquete de $5 cobre decenas de miles de caracteres. Os rexistros gratuítos obteñen 10. 000 fichas para probalas.

Referencia completa do modelo → · Vexa todas as voces TTS → · Compare dúas voces lado a lado →

Opcións avanzadas
Resultado
A faltar fichas. Get More Tokens
Want better results? Modelos Premium (GPT-5, Claude, Gemini) deliver higher quality. View Plans

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OpenAI: GPT Audio is an AI model by OpenAI on Free.ai. It supports up to 128,000 tokens of context. Costs approximately 4,781 tokens per message. Try OpenA…

Como usar AI Voice — OpenAI: GPT Audio

1
Introduza a súa entrada

Escriba texto, envíe un ficheiro ou describa o que queira. Non se precisa conta.

2
Prema para xerar

A nosa IA procesa a túa solicitude en segundos empregando os mellores modelos de código aberto.

3
Obter e compartir

Obteña, copie ou comparta o seu resultado. Gratuito para uso persoal e comercial.

Empregar esta ferramenta mediante API

Automatice esta ferramenta a partir do seu propio código. Punto final REST compatíbel con OpenAI, autenticación por token de portador, non se require SDK adicional. Os custos dos tokens son iguais aos da interface web.

Documentación da API Obter a chave da API 
curl -X POST https://api.free.ai/v1/tts/ \
  -H "Authorization: Bearer sk-free-..." \
  -H "Content-Type: application/json" \
  -d '{"text": "Hello from Free.ai", "voice": "af_heart", "model": "kokoro"}'

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AI Voice — OpenAI: GPT Audio — FAQ

OpenAI: GPT Audio supports a wide range of languages. The exact list depends on the engine; the form on this page accepts any text and the engine will render in its supported languages. See /voice/ for the full multi-engine picker if you need a specific language.

Most engines render neutral-American English by default and a region-appropriate accent for non-English languages. Premium engines may expose accent variants — paste a sample to compare.

SSML support varies by engine. Pause, prosody, and emphasis tags are honored on most premium engines and on a few self-hosted ones. Plain text always works — no markup required.

Streaming TTS is available on premium engines via the /v1/tts/ API endpoint with stream=true. The web UI on this page returns the full clip once rendering finishes.

OpenAI: GPT Audio is a premium TTS engine. Cost scales with character count — typically ~30 tokens per character. $1 buys 750,000 tokens, so a $5 pack covers tens of thousands of characters.

Up to 5,000 characters per request on the web UI. For longer pieces (audiobooks, full chapters), use /voice/audiobook/ which chunks and stitches automatically, or call the API in a loop.

Yes — POST a list of strings to /v1/tts/batch/, or use the workspace UI at /workspace/ to chain TTS into a longer pipeline (e.g., translate → speak → stitch).

Yes — POST text to /v1/tts/ with model="OpenAI: GPT Audio" (or the slug on this page). Returns WAV or MP3. See /api/ for full reference + SDK snippets.

This page is text-to-speech, not voice cloning — the voice is the engine's default. For voice cloning (uploading a reference audio), see /voice/clone/, which requires you to either own the voice rights or have explicit written consent.

Self-hosted engines run on Free.ai-owned GPUs; nothing leaves our servers. Premium engines pass text to upstream model providers under our DPA. We do not train on your inputs and do not sell data.

Yes — Free.ai grants commercial use of generated audio. The engine's underlying license (Apache 2.0, MIT, or vendor terms) is shown above and on the model reference page; in practice this means voiceovers, ads, podcasts, and apps are all in-scope.

Yes — failed jobs auto-refund to the source (daily pool or paid tokens). If a refund does not show up the same day, email contact@free.ai.

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