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AI Voice — Sesame CSM-1B

Ìlò Ìṣàmúlò-ètò 380+ àwọn ìṣàmúlò-ètò Kò ní àmì-ìwé Kò ní àwọn ìṣàmúlò-ètò

Àwọn Ìjánu-ìṣàmúlò-ètò Àwọn Ààyè-iṣẹ́ Apache 2.0

Sesame CSM-1B — Sesame CSM-1B — Apache 2.0. Conversational Speech Model designed for low-latency, real-time voice. 24 kHz output, sounds best with a short reference-audio context turn. Self-hosted on Free.ai for the /voice/realtime/ tool.

Àwọn àwọn ààyè-iṣẹ́ Sesame CSM-1B wo ni o ti n ṣe?

Sesame CSM-1B — Apache 2.0. Conversational Speech Model designed for low-latency, real-time voice. 24 kHz output, sounds best with a short reference-audio context turn. Self-hosted on Free.ai for the /voice/realtime/ tool.

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 Sesame CSM-1B

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

Ààyè àwọn GPU wa. Àwọn ìṣàfilọ́lẹ̀ tí a fi pamọ́ láti inú àwọn ààyè ọ̀fẹ́ rẹ̀ lórí ọjọ́ ní akọkọ; nigba tí o bá lọ́wọ́, àwọn pákì tókè tí a pàyà jẹ́ àwọn tókè $5 → 200,000. Nínú àwọn tókè ~5 fún àwọn àbùdá kan, àwọn tókè kékeré jú 100 fún àwọn kọ́pọọ́tì kan.

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

Sesame CSM-1B — Apache 2.0. Conversational Speech Model designed for low-latency, real-time voice. 24 kHz output, sounds best with a short reference-audio …

Bii o ṣe le lo AI Voice — Sesame CSM-1B

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.

Tẹ̀ láti ṣẹ̀dà

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

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.

Àwọn Àkọsílẹ̀ Gba àwọn àwọn àmì-ìwé 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 — Sesame CSM-1B — FAQ

Sesame CSM-1B 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.

Sesame CSM-1B runs on our own GPUs. Generation draws from your daily free pool first. Once depleted, paid tokens start at $5 → 200,000 tokens. Roughly ~5 tokens per character, minimum 100 per clip.

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="Sesame CSM-1B" (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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AI Voice — Sesame CSM-1B

Àwọn àwọn ààyè-iṣẹ́ Sesame CSM-1B wo ni o ti n ṣe?

Tí a bà lo Sesame CSM-1B

Àwọn àkọlé

Àwọn ìṣàmúlò-ètò Podcast

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Àwọn Ìtàn

Àwọn Àtòjọ-ẹ̀yàn

Bii o ṣe le lo AI Voice — Sesame CSM-1B

Fi àwọn ìṣàmúlò-ètò rẹ̀ pamọ́

Tẹ̀ láti ṣẹ̀dà

Ṣàfikún & Àwọn Àkọsílẹ̀

Lo àtòjọ-ẹ̀yàn yìí láti inú API

Àwọn Àṣẹ AI Fúnràn

AI Voice — Sesame CSM-1B — FAQ

What languages does Sesame CSM-1B cover?

Does Sesame CSM-1B have a recognizable accent?

Can I use SSML with Sesame CSM-1B?

Does Sesame CSM-1B support streaming?

How much does Sesame CSM-1B cost per clip?

What is the maximum text length for Sesame CSM-1B?

Can I run Sesame CSM-1B in batch?

Is there an API for Sesame CSM-1B?

Do I need consent to clone a voice with Sesame CSM-1B?

What about privacy with Sesame CSM-1B?

Is Sesame CSM-1B output safe for commercial use?

Can I get a refund if Sesame CSM-1B fails?

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