Stable Audio 1.0: Text to Audio

# Python 3.10+: pip install comfy-sdk==0.4.0
import os

from comfy_sdk import Comfy

api_key = os.environ.get("COMFY_API_KEY", "").strip()
if not api_key: raise RuntimeError("Set COMFY_API_KEY")
os.environ.setdefault("COMFY_BASE_URL", "https://cloud.comfy.org")
client = Comfy(api_key=api_key)
workflow = client.workflows.from_json({
    "3": {
        "class_type": "KSampler",
        "inputs": {
            "cfg": 4.98,
            "denoise": 1,
            "latent_image": [
                "11",
                0
            ],
            "model": [
                "4",
                0
            ],
            "negative": [
                "7",
                0
            ],
            "positive": [
                "6",
                0
            ],
            "sampler_name": "dpmpp_3m_sde_gpu",
            "scheduler": "exponential",
            "seed": 840755638734093,
            "steps": 50
        },
        "_meta": {
            "title": "KSampler"
        }
    },
    "4": {
        "class_type": "CheckpointLoaderSimple",
        "inputs": {
            "ckpt_name": "stable-audio-open-1.0.safetensors"
        },
        "_meta": {
            "title": "Load Checkpoint"
        }
    },
    "6": {
        "class_type": "CLIPTextEncode",
        "inputs": {
            "clip": [
                "10",
                0
            ],
            "text": "heaven church electronic dance music"
        },
        "_meta": {
            "title": "CLIP Text Encode (Prompt)"
        }
    },
    "7": {
        "class_type": "CLIPTextEncode",
        "inputs": {
            "clip": [
                "10",
                0
            ],
            "text": ""
        },
        "_meta": {
            "title": "CLIP Text Encode (Prompt)"
        }
    },
    "10": {
        "class_type": "CLIPLoader",
        "inputs": {
            "clip_name": "t5-base.safetensors",
            "device": "default",
            "type": "stable_audio"
        },
        "_meta": {
            "title": "Load CLIP"
        }
    },
    "11": {
        "class_type": "EmptyLatentAudio",
        "inputs": {
            "batch_size": 1,
            "seconds": 47.6
        },
        "_meta": {
            "title": "Empty Latent Audio"
        }
    },
    "12": {
        "class_type": "VAEDecodeAudio",
        "inputs": {
            "samples": [
                "3",
                0
            ],
            "vae": [
                "4",
                2
            ]
        },
        "_meta": {
            "title": "VAE Decode Audio"
        }
    },
    "19": {
        "class_type": "SaveAudioMP3",
        "inputs": {
            "audio": [
                "12",
                0
            ],
            "filename_prefix": "audio/ComfyUI",
            "quality": "V0"
        },
        "_meta": {
            "title": "Save Audio (MP3) (DEPRECATED)"
        }
    }
})

# run() also passes api_key to the partner nodes in this workflow.
job = client.run(workflow, api_key=api_key)