Comfy-Org/ComfyUI · error · ValueError

Unknown model: {model_id}

Error message

Unknown model: {model_id}

What it means

Error "Unknown model: {model_id}" thrown in Comfy-Org/ComfyUI.

Source

Thrown at comfy_api_nodes/nodes_openai.py:863

            if not 655_360 <= total_pixels <= 8_294_400:
                raise ValueError(
                    f"Custom resolution total pixels must be between 655,360 and 8,294,400, got {total_pixels}"
                )
            size = f"{custom_width}x{custom_height}"

        if model_id not in ("gpt-image-1", "gpt-image-1.5", "gpt-image-2"):
            raise ValueError(f"Unknown model: {model_id}")

        if image_tensors:
            flat: list[torch.Tensor] = []

View on GitHub (pinned to 1c6d8d45b3)

Solutions

1. Select a supported OpenAI model id.

When it happens

Trigger: Thrown at comfy_api_nodes/nodes_openai.py:863 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Comfy-Org/ComfyUI@1c6d8d45b3 (2026-08-14). Data as JSON: /api/errors/970d538ecea29c26. Report an issue: GitHub.