# Gemini 3.1 Flash TTS for game development

Vendor: Google. Type: Audio. Status: live.

Speech directed in plain words, with 30 voices.

Gemini 3.1 Flash TTS is the Gemini speech model before 3.8. You direct the delivery in plain words beside the line, and pick one of 30 voices.

## What it is good for in games

- Story lines with directed delivery: whispered, tense, cheerful.
- Narration in many languages.
- Quick voice drafts for every character.

## In Summer Studio

- Gemini 3.1 Flash TTS (Text to speech)

Cost depends on the models you choose. Your dashboard shows spend as it happens.

Try it: https://www.summerengine.com/studio?tab=audio&generator=gemini-3.1-flash-tts

## Use it from Claude, Cursor or Codex

Call summer_generate_audio with capability: "text_to_speech", modelId: "gemini-3.1-flash-tts" through the Summer MCP server. Setup: https://www.summerengine.com/mcp

## Questions

### What is Gemini 3.1 Flash TTS good for in game development?

Gemini 3.1 Flash TTS is the Gemini speech model before 3.8. You direct the delivery in plain words beside the line, and pick one of 30 voices. Typical game uses: story lines with directed delivery: whispered, tense, cheerful; narration in many languages; quick voice drafts for every character.

### What kind of audio can Gemini 3.1 Flash TTS make?

In Summer, Gemini 3.1 Flash TTS is used for text to speech.

### Can I use Gemini 3.1 Flash TTS 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: "gemini-3.1-flash-tts". Setup instructions are at summerengine.com/mcp.

### Where do Gemini 3.1 Flash TTS 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.

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