Lyria 3.5
Lyria 3.5 from Google DeepMind is the latest Lyria music model, generating full-length songs of up to a few minutes with vocals, lyrics, and multi-section structure from a single text prompt. Control genre, mood, instrumentation, tempo, and song length in the prompt, including timestamped section markers for intros, verses, and choruses, or attach an image to set the mood. Lyrics can be sung in English, German, Spanish, French, Hindi, Japanese, Korean, and Portuguese. Output is MP3, watermarked with SynthID.
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Lyria 3.5 from Google DeepMind is the latest Lyria music model, generating full-length songs of up to a few minutes with vocals, lyrics, and multi-section structure from a single text prompt. Control genre, mood, instrumentation, tempo, and song length in the prompt, including timestamped section markers for intros, verses, and choruses, or attach an image to set the mood. Lyrics can be sung in English, German, Spanish, French, Hindi, Japanese, Korean, and Portuguese. Output is MP3, watermarked with SynthID.
Connect Claude, Cursor, VS Code, or Codex to Layer’s MCP server and Lyria 3.5 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 Lyria 3.5 for a heavy stone door grinding open in a dungeon.”
execute_forge({
"base_model_id": "lyria-3-5",
"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/lyria-3-5/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 stringrequired
- guidance_file_reference_image file[]
- Guides style and content without being modified
- prompt_language string
Why use Lyria 3.5 for audio?
Natural voice generation
Lyria 3.5 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 Lyria 3.5 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.
Other audio models on Layer
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Gemini 3.8 Flash Lite TTS
The lighter, lower-cost tier of Google's Gemini 3.8 text-to-speech model.
Gemini 3.1 Flash TTS
Google's most controllable TTS model with 200+ audio tags for vocal style and delivery.
MiniMax Music 3
MiniMax
High-performance MiniMax music model for complete songs up to five minutes with structure tags and seed control.
ElevenLabs Multilingual V2
ElevenLabs
Multilingual text-to-speech with natural voice selection and stability controls.
Sonilo Video to Music 1.1
Sonilo
Frame-synced, licensed music scored from video pacing, mood, and timing.