Inworld TTS 1.5 Max
Inworld TTS 1.5 Max from Inworld AI is a high-quality text-to-speech model designed for interactive entertainment and game character voices. It delivers expressive, natural-sounding speech with configurable voice selection and sample rate control. Optimized for real-time applications, it produces clear, engaging dialogue suitable for games, virtual worlds, and interactive storytelling.
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Inworld TTS 1.5 Max from Inworld AI is a high-quality text-to-speech model designed for interactive entertainment and game character voices. It delivers expressive, natural-sounding speech with configurable voice selection and sample rate control. Optimized for real-time applications, it produces clear, engaging dialogue suitable for games, virtual worlds, and interactive storytelling.
Connect Claude, Cursor, VS Code, or Codex to Layer’s MCP server and Inworld TTS 1.5 Max becomes a tool your agent can reach for — it picks the parameters, runs the generation, and shows you the result in the conversation.
https://mcp.app.layer.ai/mcpAsk your agent
“Use Inworld TTS 1.5 Max for a heavy stone door grinding open in a dungeon.”
execute_forge({
"base_model_id": "inworld-tts-1.5-max",
"prompt": "A heavy stone door grinding open in a dungeon",
"batch_size": 1
})Authenticate with a personal access token, post the model’s own form, and poll the inference until it completes. Every field below is accepted by this endpoint.
# Start the generation — returns an inference id straight away.
curl -X POST https://api.app.layer.ai/api/v2/workspaces/$WORKSPACE_ID/base-models/inworld-tts-1.5-max/inferences \
-H "Authorization: Bearer $LAYER_TOKEN" \
-H "Content-Type: application/json" \
-d '{
"prompt": "A heavy stone door grinding open in a dungeon"
}'
# Poll until status is "complete" — the response then carries the asset URLs.
curl https://api.app.layer.ai/api/v2/workspaces/$WORKSPACE_ID/inferences/$INFERENCE_ID \
-H "Authorization: Bearer $LAYER_TOKEN"- prompt string
- The text the voice speaks.
- prompt_language string
- The language the voice speaks in.
Why use Inworld TTS 1.5 Max for audio?
Natural voice generation
Inworld TTS 1.5 Max produces expressive, high-quality audio suitable for character dialogue, narration, and voiceover work.
Flexible content types
Supports a range of use cases from in-game dialogue and cinematics to marketing narration and social media content.
Fast iteration
Generate and refine audio content quickly, enabling rapid prototyping of character voices and sound design.
Character voiceover and dialogue production
Generate expressive character voices for in-game dialogue, cutscenes, and interactive narratives. Iterate on tone and delivery rapidly.
Marketing narration and promotional audio
Create professional voiceovers for trailers, app store videos, and social media content without booking voice talent.
Sound design exploration and prototyping
Quickly prototype sound effects, ambient audio, and musical elements to test creative directions early in production.
FAQ
How much does Inworld TTS 1.5 Max cost? Is it free?+
How does Layer's pricing work?+
There are no seat fees, feature gates, or plans on Layer. Instead, our platform uses a consumption based system with Creative Units (CUs) with a flexible monthly subscription. Every generation on Layer (image, video, 3D, or audio) consumes a Creative Unit, and you only pay for what you create.
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