Seed Audio 1.0: Text + Audio 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": "ByteDanceSeedAudio",
        "inputs": {
            "loudness_rate": 0,
            "model": "seed-audio-1.0-multilingual",
            "pitch_rate": 0,
            "reference_mode": "audio reference",
            "reference_mode.reference_audio_1": [
                "8",
                0
            ],
            "sample_rate": "24000",
            "seed": 1266743122,
            "speech_rate": 0,
            "text_prompt": "Quiet café ambience, soft room tone, faint distant chatter, no background music.\n\nElena (woman in her late twenties, warm mid-range voice, soft but clear, calm and friendly, voiced by @Audio1) says gently:\n\"Hi, I'm Elena. Thanks for joining me today. I'll speak naturally, warmly, and clearly, just like my reference voice.\"\n\nElena (voiced by @Audio1), a little warmer, says:\n\"Listen for my pitch, my pauses, and how I finish each sentence softly but clearly.\"\n\nEnds in silence."
        },
        "_meta": {
            "title": "ByteDance Seed Audio 1.0"
        }
    },
    "4": {
        "class_type": "SaveAudioAdvanced",
        "inputs": {
            "audio": [
                "3",
                0
            ],
            "filename_prefix": "audio/Seed_Audio_1.0_r2a",
            "format": "mp3",
            "format.quality": "V0"
        },
        "_meta": {
            "title": "Save Audio (Advanced)"
        }
    },
    "8": {
        "class_type": "LoadAudio",
        "inputs": {
            "audio": "UPLOADED_audio_FILENAME"
        },
        "_meta": {
            "title": "Load Audio"
        }
    }
})
# Replace each example.com URL with a public URL of your file.
workflow.set_input("8", "audio", client.assets.from_url("https://example.com/replace-with-a-url/audio"))

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