AI Voice — Kokoro TTS (premium endpoint)

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Kokoro TTS (premium endpoint) — Kokoro TTS (premium endpoint) is a tts model by Free.ai, available on Free.ai. Each generation costs approximately 5,625 tokens. Compare against our self-hosted models which run free within your daily limit.
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Àwọn àwọn ààyè-iṣẹ́ Kokoro TTS (premium endpoint) wo ni o ti n ṣe?

Kokoro TTS (premium endpoint) is a tts model by Free.ai, available on Free.ai. Each generation costs approximately 5,625 tokens. Compare against our self-hosted models which run free within your daily limit.

Try the box above with: Hello, my name is Sam, and I am reading this sample to demonstrate the voice. — that is the canonical TTS demo phrase.

Tí a bà lo Kokoro TTS (premium endpoint)

Àwọn àkọlé

Àkọ́kọ́ ìṣàfarawé ìṣàfarawé nípa àwọn ìṣàfarawé àwọn àyọkà. Pa àwọn àyọkà lọ́wọ́lọ́wọ́, gbàwọlé bí WAV tàbí MP3, àti ìṣàfarawé nípa ìsàlẹ̀-ilà.

Àwọn ìṣàmúlò-ètò Podcast

Short opening bumpers and ad-reads. Adjust speed for energy, format-switch to MP3 for smaller files.

Àwọn àmì-ìwé

Àwọn ìṣàmúlò-ètò sítàmúlẹ̀. Àwọn ìṣàfihàn ìdáràn-ìdáràn tí kò ní àwọn ààyè-iṣẹ́, àwọn ìṣàfihàn, tàbí àwọn NDÀ láti jẹ́ àwọn ìṣàfihàn-ìrọ̀.

Àwọn ìṣàfihàn

Fi àwòrán sí àwọn àkọlé àwọn ìwé-ìwé àti àwọn ìwé-ìwé àwọn ìṣàfihàn àti àwọn ìwé-ìwé àwọn ìṣàfihàn. Fi àwọn àwọn ojú-ìwé wọn sípapọ̀.

Àwọn àwọn àmì-ìwé ìṣàmúlò-ètò

"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."

Àwọn Ìtàn

Premium TTS. Ìbàlẹ̀ àwọn owó nípa àwọn àmì-àṣírí - bí a tí n sọ, tókènì 30 nípa àmì-àṣírí kan. $1 rá tókènì 750,000; pákì tókènì $5 nípa àwọn ọ̀dọ̀làrin àwọn àmì-àṣírí. Àwọn ìṣàfilọ́lẹ̀ ọ̀fẹ́ gba tókènì 10,000 láti ṣàfihàn.

Àwọn ìṣàmúlò-ètò ìṣàfihàn → · Wó àwọn àwòrán TTS láti inú → · Àwọn àwòrán →

Àwọn ìkúndùǹ ìṣàfilọ́lẹ̀
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Ń ṣàfihàn àgbèwọlé rẹ̀...

Kokoro TTS (premium endpoint) is a tts model by Free.ai, available on Free.ai. Each generation costs approximately 5,625 tokens. Compare against our self-h…

Bii o ṣe le lo AI Voice — Kokoro TTS (premium endpoint)

1
Fi àwọn ìṣàmúlò-ètò rẹ̀ pamọ́

Ṣàfihàn àkọlé, láti fi fáìlì pamọ́, tàbí láti ṣàfihàn ohun tí o fẹ́. Kò ní àwọn àwọn kọ́̀ǹpútà tí a fẹ́.

2
Tẹ̀ láti ṣẹ̀dà

AI wá ń ṣé iṣẹ́ àgbèkalẹ̀ rẹ̀ nínú àwọn ìṣísẹ̀ láti ló àwọn módèlè̀ tí a ṣí lè lò.

3
Ṣàfikún & Àwọn Àkọsílẹ̀

Ṣàfihàn, kọ́, tàbí fi àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn àwọn

Lo àtòjọ-ẹ̀yàn yìí láti inú API

Ṣàfikún àtòjọ-ẹ̀yàn yìí láti inú ìṣàmúlò-ètò rẹ̀. Ààyè ìparí REST tí a bá fẹ́ OpenAI, ìṣàfihàn tókè-àwọn àtílẹ̀, kò ní SDK tí a fẹ́. Àwọn owó tókè ní ìdáràn wẹ́ẹ̀bù.

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"}'

AI Voice — Kokoro TTS (premium endpoint) — FAQ

Kokoro TTS (premium endpoint) 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.

Kokoro TTS (premium endpoint) 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="Kokoro TTS (premium endpoint)" (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.

Ṣàfihàn ọ̀fẹ̀ fun 10,000 tokens

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