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hexgradText to Speech/v1/media/queue

Kokoro 82M

Kokoro 82M text to speech — the cheapest AI speech available, billed on input length.

The cheapest speech model on YepAPI by a wide margin — roughly 24× less per character than the mid-tier models — while still covering 8 languages with 54 named voices. Open weights, 82M parameters.

No credit card required. Takes 30 seconds.

2,400+

Developers

1.2M+

API calls served

100+

Endpoints

$0.01

Per call

Yep, that's it.

Playground coming soon — use the API endpoint directly with your API key.

Pricing

Per character: $0.0014/1K chars

Endpoint

/v1/media/queue

Strengths

Cheapest speech on the platform

At a fraction of a cent per thousand characters it is roughly 24× cheaper than the mid-tier models.

54 voices, 8 languages

American and British English, Spanish, French, Hindi, Italian, Japanese, Portuguese, and Chinese.

Readable voice IDs

Voices are prefixed by language and gender — `af_` American female, `bm_` British male, `jf_` Japanese female.

Open weights

An open model you can evaluate and reason about, not a closed endpoint.

Quick start

Copy this snippet and start making calls with Kokoro 82M.

// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "model": "hexgrad/kokoro-82m",
    "prompt": "Every article on the site now has an audio version, generated automatically the moment it publishes.",
    "options": {
      "voice": "af_bella"
    }
  }),
});
const { data } = await res.json();
const jobId = data.jobId;

// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${jobId}`, {
  headers: { 'x-api-key': 'YOUR_API_KEY' },
});
const { data: job } = await status.json();
// job.status: "pending" | "processing" | "completed" | "failed"
// job.result: { text?, image?, audio?, video? }

Why use Kokoro 82M through YepAPI?

One API key for all models — no separate accounts
No monthly minimums — pay per call
Switch models with one line of code
Simple REST API — works from any language
Unified billing across all providers
No rate limits for most use cases

Kokoro 82M API — the cheapest AI text-to-speech

Kokoro 82M is a lightweight, open-weight text-to-speech model from hexgrad. At 82M parameters it is by far the cheapest speech model on YepAPI — roughly 24× cheaper per character than the mid-tier models — while still covering 8 languages with 54 named voices.

That price makes bulk narration viable: audio versions of every article, every product description, every changelog entry. Billed at $0.0014 per 1,000 characters.

Start generating in 30 seconds

$5 free credit on signup. No credit card required. Pay per call.

What developers say

Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.

Marcus T.

SEO Platform Founder

One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.

Priya S.

Full-Stack Developer

The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.

Jake R.

Indie Hacker

Frequently asked questions

The cheapest speech model on YepAPI by a wide margin — roughly 24× less per character than the mid-tier models — while still covering 8 languages with 54 named voices. Open weights, 82M parameters.

Pricing for Kokoro 82M through YepAPI is based on usage. No monthly minimums — you only pay for what you use.

Sign up for a free API key, then send requests to the /v1/media/queue endpoint.

Ready to use Kokoro 82M?

$5 free credit on signup. No credit card required. Pay per call.

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