Supported Models

The following are the standard supported models of the LLM service. MelodyArc supports bring your own model or agent, beyond these preset LLM Service options.

📘

Default Model

The LLM service will use gpt-4o if a model is not specified.

OpenAI

GPT-5 Family

• gpt-5
• gpt-5.1
• gpt-5.2
• gpt-5-mini
• gpt-5-nano

GPT-4o / GPT-4.1 Family

• gpt-4o
• gpt-4o-mini
• gpt-4.1
• gpt-4.1-mini
• gpt-4.1-nano

Reasoning Models (o-series)

• gpt-o3
• gpt-o3-mini
• gpt-o4-mini

Legacy GPT-4

• gpt-4
• gpt-4-turbo
• gpt-4-32k

GPT-3.5

• gpt-3.5
• gpt-3.5-turbo
• gpt-3.5-16k
• gpt-3.5-16K
• gpt-3.5-turbo-16k
• gpt-3.5-preview

Gemini

Legacy Gemini Pro

• gemini-pro-1
• gemini-pro-1.5

Gemini 2.5 Family

• gemini-2.5-flash-lite
• gemini-2.5-flash
• gemini-2.5-pro

Gemini 3 Family

• gemini-3-flash-lite
• gemini-3-flash
• gemini-3-pro

Anthropic

Claude 3.5 Family

• claude-3.5-sonnet

Claude 3 Family

• claude-3-haiku
• claude-3-sonnet
• claude-3-opus

Legacy Claude 2

• claude-2.1
• claude-2

Claude Instant

• claude-instant