OpenAI
TTS-1
OpenAI's fast text to speech, in nine voices. On Leap, it sits beside 130 other models in one studio.
- Text to speech
- Start free, no card
- Every top model, one account
- Pay per run, priced before it starts
Listen / Nova
0 / 7 s
Read the transcript
Hi, I'm testing Leap's voices. Can you hear the difference between each one? Let's find out together.
- 01Write the words, pick a voice
- 02See the exact price, then press go
- 03Keep it in your library, or take it further
Start with an idea
Three ways to try TTS-1
Questions
TTS-1 on Leap, answered.
- Is this the real TTS-1?
- Yes. Leap sends your request to OpenAI's model through its provider and gives you back what it makes. Switch to any other model in the same studio when an idea needs it.
- What does it cost?
- In dollars, per run: the provider's list price plus 10%. You see the exact price before every run, a run that fails costs nothing, and there is no subscription. Every model's price is on the pricing page.
- Do I need a OpenAI account?
- No. One Leap account and one balance run TTS-1 and every other model, in the studio, through the API and from your agents.
- What happens to what I make?
- It stays in your library while your account is active, ready to use anywhere.
For developers
Run TTS-1 from code
- Model ID
- openai/tts-1
- Makes
- Voice and sound
- Pricing
- Per run, quoted first: POST /v1/quotes
Inputs
What the model takes. Leave out anything with a default.
Texttext
Text, up to 4,000 characters, required
Voicevoice
Alloy, Ash, Coral, Echo, Fable, Nova, Onyx, Sage, Shimmer. Default: Alloy
The request
The same envelope for every model; only the model and its input change. With prefer: wait=60 the answer holds the result. Agents can call it through the MCP server at mcp.tryleap.ai.
curl https://api.tryleap.ai/v1/generations \ -H "x-api-key: $LEAP_API_KEY" \ -H "content-type: application/json" \ -H "prefer: wait=60" \ -d '{ "model": "openai/tts-1", "input": { "text": "Hi, I'm testing Leap's voices. Can you hear the difference between each one? Let's find out together." } }'