What is Inworld TTS-1.5 Max good for in game development?

Inworld TTS-1.5 Max is Inworld's speech model, built for characters in games. It offers 113 voices across 15 languages, including stylized fantasy voices, at the lowest price of the speech models on Summer. Typical game uses: 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.

How much does Inworld TTS-1.5 Max cost in Summer?

Inworld TTS-1.5 Max costs 1.2 credits / minute in Summer Studio. It is charged from your Summer credits, and the price includes Summer's margin on top of the provider cost.

What kind of audio can Inworld TTS-1.5 Max make?

In Summer, Inworld TTS-1.5 Max is used for text to speech.

Can I use Inworld TTS-1.5 Max from Claude Code, Cursor or Codex?

Yes. Connect the Summer MCP server to Claude Code, Cursor, Codex or another MCP client, then ask your agent to generate with summer_generate_audio with capability: "text_to_speech", modelId: "inworld-tts-1.5-max". Setup instructions are at summerengine.com/mcp.

Where do Inworld TTS-1.5 Max results go?

Every generation is saved to your Summer asset library. From there you can download it or bring it into a Summer Engine project.

All models

Inworld / Audio

Inworld TTS-1.5 Max for game development

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

Try Inworld TTS-1.5 Max in Summer Studio Use it from Claude, Cursor or Codex Playground and API

Price in Studio: 1.2 credits / minute
Inputs: Text to speech

What it is

Inworld TTS-1.5 Max is Inworld's speech model, built for characters in games. It offers 113 voices across 15 languages, including stylized fantasy voices, at the lowest price of the speech models on Summer.

What it is good for in games

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.

What you pay

Mode	Studio model	Price
Text to speech	Inworld TTS-1.5 Max	1.2 credits / minute

Charged from your Summer credits. Prices include Summer's margin on top of the provider cost.

Use it from Claude, Cursor or Codex

Connect the Summer MCP server to Claude Code, Cursor, Codex or any MCP client, and your agent can generate with Inworld TTS-1.5 Max while it builds your game.

summer_generate_audio with capability: "text_to_speech", modelId: "inworld-tts-1.5-max"

Set up the Summer MCP server

Questions

What is Inworld TTS-1.5 Max good for in game development?: Inworld TTS-1.5 Max is Inworld's speech model, built for characters in games. It offers 113 voices across 15 languages, including stylized fantasy voices, at the lowest price of the speech models on Summer. Typical game uses: 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.
How much does Inworld TTS-1.5 Max cost in Summer?: Inworld TTS-1.5 Max costs 1.2 credits / minute in Summer Studio. It is charged from your Summer credits, and the price includes Summer's margin on top of the provider cost.
What kind of audio can Inworld TTS-1.5 Max make?: In Summer, Inworld TTS-1.5 Max is used for text to speech.
Can I use Inworld TTS-1.5 Max from Claude Code, Cursor or Codex?: Yes. Connect the Summer MCP server to Claude Code, Cursor, Codex or another MCP client, then ask your agent to generate with summer_generate_audio with capability: "text_to_speech", modelId: "inworld-tts-1.5-max". Setup instructions are at summerengine.com/mcp.
Where do Inworld TTS-1.5 Max results go?: Every generation is saved to your Summer asset library. From there you can download it or bring it into a Summer Engine project.