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Game-ready character voices from Inworld, at the lowest price here.

Examples

Real outputs of voice/inworld-tts-1.5-max, each with the input that made it.
Pixie, grove sprite

Words: Oh! A visitor! Nobody ever finds the hidden grove. Quick, follow the glowing mushrooms before the owls wake up!

Best for

  • NPC voices for large casts, one voice per character.
  • Fantasy and villain voices such as Hades and Dominus.
  • High volume dialogue where cost per line matters.

Price

$0.01 per 1,000 characters, counted from text. Exact list price: 0.01 USD. No markup: this is the provider’s list price, checked 2026-09-26. A failed job costs nothing. Get the exact price of one request, free and without a key, from POST /v1/estimate.

Example call

Sign in once with summer login; over HTTP, send Authorization: Bearer $SUMMER_TOKEN after export SUMMER_TOKEN=$(summer token) (sign-in). This job comes back done in the same call, with the file ready to download.
The finished job has state "done" and result.assets: one entry per file, each with assetId, fileUrl (a Summer URL) and thumbnailUrl. Download the file into your project, or import it in Summer Engine by its asset id.

Input

Send these fields in input. The full JSON Schema is inputSchema in GET /v1/models/voice/inworld-tts-1.5-max.

Voices

voiceId is optional: without it the model uses its default voice. These are Summer’s curated voices; the live list is voices in GET /v1/models/voice/inworld-tts-1.5-max. For more, search the public voice library by words, language, gender, age or accent, each with a sample: GET /v1/voices?model=voice/inworld-tts-1.5-max&search=old+wizard (signed in).

For agents

This page as Markdown: https://docs.summerengine.com/api/models/voice/inworld-tts-1-5-max.md. The live record with the JSON Schema: GET https://www.summerengine.com/v1/models/voice/inworld-tts-1.5-max, public, no sign-in.