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Melius routes generations through frontier text, image, and video models. The list updates frequently — use model_list (MCP) for the live set.

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Categories

CategoryUsed onPurpose
textText nodesLanguage model output.
imageImage nodesImage generation.
videoVideo nodesVideo generation.
audioAudio nodesAudio generation — speech, music, sound effects.
image-toolImage nodesImage-to-image transforms and edits.
video-toolVideo nodesVideo-to-video transforms.

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Defaults

When you create a node without specifying a model, Melius picks a sensible default for that node type. Call model_defaults to see the current defaults.

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Picking a model

Each node has a model selector. Filter by category, then pick the variant. The selector also shows which settings (aspect ratio, resolution, duration) the model supports — unsupported settings are hidden.

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Deprecation

Models are occasionally deprecated when a provider replaces them with a newer version. Existing nodes pointing at a deprecated model continue to work for a grace period — Melius surfaces an in-app warning when this happens and recommends a successor. After the grace period, the deprecated model is removed and re-runs use the recommended successor.
Last modified on May 19, 2026