Kokoro
Kokoro is a fast, open source speech model with twenty American voices and the lowest price per word on Dolly. Reach for it when you need a lot of speech quickly and cheaply.
Added July 2026. Included on every plan.
Why this one
What makes Kokoro different
- The lowest cost per thousand charactersCheap enough to voice an entire library rather than a highlight.
- FastShort turnaround, which makes it the natural choice for a live loop with the agent.
- Twenty American voicesA compact set, split between female and male, easy to audition end to end.
- Open source lineageA well understood model with predictable behaviour.
- Natural for its priceIt reads noticeably better than its cost implies, particularly on short lines.
- Good for drafts that become finalsOften the placeholder is simply good enough to ship.
Use cases
Best for
- Scratch voiceover
- Bulk narration
- Prototype audio
- Social captions read aloud
- Internal video
- Agent iteration
Technique
Prompt tips
- Keep sentences shortIt handles compact sentences better than long subordinate clauses.
- Punctuate for breathCommas and periods are the pacing controls.
- Audition all twentyThe list is short enough to listen through once and then know your cast for good.
- Spell tricky words phoneticallyThe standard fix for a mispronunciation, and it works here.
- Use it for volumeAt this price, voice every variant rather than choosing one to voice.
Mechanism
How Kokoro works
You choose one of its voices and send the script; it renders speech from text and bills by characters sent. It is a smaller model than the commercial tiers, which is why it is fast and cheap and why it rewards short, plainly written sentences over long literary ones.
Getting started
How to use it on Dolly
- Pick KokoroChoose it in the voice studio, or just ask the agent for it by name.
- Write the promptDescribe what you want, in as much detail as the brief deserves.
- GenerateThe exact credit cost sits on the button before you press it, and a failed run refunds automatically.
Pricing
What it costs
Every generation shows its exact credit cost on the button before you run it.
- per 1,000 characters
- 4 credits
One run is about 1/313 of a Starter month.
Failed generations refund automatically. See plans
Capabilities
Specs
- Voices
- 20
Questions
Kokoro FAQ
How many voices does it have?
Is it good enough to publish?
How is it priced?
Does it support other languages?
Why does a long sentence sound rushed?
Ready to make with Kokoro?
Every model is included on every plan. The price sits on the button before you run it.