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AI Voice — OpenAI: GPT Audio

Commercieel gebruik OK 380+ modellen Geen watermerk Geen aanmelding nodig
Model:
+ GPT-5, Claude, Gemini
TTS-motor Premie
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 tekens ~0 tokens
Kostenschalen met aantal karakters
Speech aanmaken...

Wat doet... OpenAI: GPT Audio Klinkt dat als?

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.

Probeer de box hierboven met: Hallo, mijn naam is Sam, en ik lees dit monster om de stem te demonstreren. Dat is de canonieke TTS demo frase.

Wanneer moet u dit middel gebruiken? OpenAI: GPT Audio

Audioboeken

Lange-vorm verhaal met consistente toon. Plak een hoofdstuk tegelijk, download als WAV of MP3 en steek extern.

Podcast-intro's

Korte opening bumpers en ad-reads. Pas snelheid voor energie, format-schakelaar naar MP3 voor kleinere bestanden.

IVR + voicemail

Telefoon-systeem prompts. Studio-kwaliteit output zonder een boeking, opname, of NDA's met spraaktalent.

Toegankelijkheid

Voeg audio naast geschreven inhoud voor low-vision en dyslexic lezers. Drop-in op elke pagina.

Voorbeeldzinnen

"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."

Prijzen

Premium TTS. Kostenweegschalen met karakter tellen meestal ~30 tokens per karakter. $1 koopt 750.000 tokens; een $5 token pakket dekt tienduizenden tekens. Gratis aanmelden krijgen 10.000 tokens om te proberen.

Volledige modelreferentie → · Alle TTS-stemmen bekijken → · Vergelijk 2 stemmen naast elkaar →

Geavanceerde opties
Resultaat
De tokens zijn bijna op. Get More Tokens
Want better results? Premiummodellen (GPT-5, Claude, Gemini) deliver higher quality. View Plans

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Bezig met verwerken van uw verzoek...

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…

Hoe gebruikt u dit middel? AI Voice — OpenAI: GPT Audio

1
Voer uw invoer in

Typ tekst, upload een bestand of beschrijf wat u wilt. Er is geen account nodig.

2
Klik op genereren

Onze AI verwerkt uw verzoek in seconden met behulp van de beste open-source modellen.

3
Downloaden & delen

Download, kopieer of deel uw resultaat. Gratis voor persoonlijk en commercieel gebruik.

Gebruik deze tool via API

Automatiseer deze tool vanuit uw eigen code. OpenAI-compatibele REST-eindpunt, Bearer-token auth, geen extra SDK nodig. Tokenkosten komen overeen met de webinterface.

API-documentatie API-sleutel ophalen 
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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