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Audio to Video

Audio to Video API Pricing

LTX-2-19B LipSync generates a realistic talking video by synchronizing a person’s mouth movements to an input audio clip. It preserves facial identity, head position, lighting, and natural expressions while producing accurate lip motion, subtle blinking, and stable temporal consistency. Ideal for avatars, dubbing, dialogue replacement, and character narration.

Savings Alert33% ↓Cheaper than Fal.ai

About Audio to Video

LTX-2-19B LipSync is a cutting-edge audio-to-video model that generates realistic talking videos by synchronizing a subject's lip movements to an input audio clip. Leveraging advanced deep learning techniques, this model ensures that facial identity, head positioning, ambient lighting, and natural expressions are preserved while delivering ultra-accurate lip sync performance. The technology behind LTX-2-19B is designed to maintain subtle details like blinking and gentle head motion, resulting in videos with remarkable temporal consistency and realism. Ideal for tasks such as avatar creation, dialogue replacement, dubbing, and character narration, LTX-2-19B LipSync bridges the gap between static images and dynamic storytelling. Its ability to produce lifelike videos at a competitive cost of $0.2 per generation makes it a standout solution for creatives and developers seeking state-of-the-art performance without compromising on quality. The model’s versatile capabilities and robust technical foundation set a new standard in audio-driven video synthesis.

Interactive Savings Calculator

Estimate monthly API spend and compare absolute developer savings.

Monthly API Generations10,000 runs
50025,00050,00075,000100,000+
MuAPI Monthly Cost

$2000.00

$0.2 per generation
Fal.ai Cost

$3000.00

$0.3 per generation
Estimated Monthly Savings$1000.00
Annual Savings$12000.00

Detailed Pricing Breakdown

ProviderEstimated RateNotes
muapiapp$0.2 per generationmuapiapp is 20-50% more affordable than its competitors while delivering comparable or superior quality.
Fal.ai$0.3 per generationmuapiapp is approximately 33% cheaper, offering better value without compromising on performance.
Replicate$0.3 per generationWith muapiapp cost-effectiveness being 20-50% lower, it provides a competitive edge in both quality and pricing.

Developer Integration Snippets

1import requests 2import time 3import json 4 5api_key = "YOUR_API_KEY" 6url = "https://api.muapi.ai/workflow/run/ltx-2-19b-lipsync" 7 8def poll_for_result(run_id): 9 url = f"https://api.muapi.ai/workflow/run/{run_id}/api-outputs" 10 headers = { 11 "Content-Type": "application/json", 12 "x-api-key": f"{api_key}", 13 } 14 while True: 15 response = requests.get(url, headers=headers) 16 result = response.json() 17 18 if result['status'] == 'completed': 19 return json.loads(result['outputs']) 20 21 if result['status'] == 'failed': 22 raise Exception(result.get('error', 'Generation failed')) 23 24 time.sleep(5) 25 26data = { 27 "schemas": { 28 "input_data": { 29 "x-order-properties": [ 30 "prompt", 31 "image_url", 32 "audio_url", 33 "resolution" 34 ], 35 "type": "object", 36 "properties": { 37 "prompt": { 38 "examples": [ 39 "Animate natural lip-sync to the provided audio, add subtle blinking and gentle head motion, maintain the original lighting and facial identity, keep the performance realistic and stable." 40 ], 41 "description": "The prompt to generate the video", 42 "type": "string", 43 "title": "Prompt", 44 "name": "prompt" 45 }, 46 "image_url": { 47 "examples": [ 48 "https://d3adwkbyhxyrtq.cloudfront.net/webassets/videomodels/ltx-2-19b-lipsync.jpg" 49 ], 50 "description": "URL of the input image.", 51 "field": "image", 52 "type": "string", 53 "title": "Image URL", 54 "name": "image_url" 55 }, 56 "audio_url": { 57 "examples": [ 58 "https://d3adwkbyhxyrtq.cloudfront.net/webassets/videomodels/ltx-2-19b-lipsync.wav" 59 ], 60 "description": "The URL for uploading audio files.", 61 "field": "audio", 62 "type": "string", 63 "title": "Audio URL", 64 "name": "audio_url" 65 }, 66 "resolution": { 67 "enum": [ 68 "480p", 69 "720p", 70 "1080p" 71 ], 72 "title": "Resolution", 73 "name": "resolution", 74 "type": "string", 75 "description": "The resolution of the generated video.", 76 "default": "720p" 77 } 78 }, 79 "title": "BaseInput", 80 "required": [ 81 "audio_url" 82 ], 83 "endpoint_url": "ltx-2-19b-lipsync" 84 }, 85 "output_data": { 86 "x-fal-order-properties": [ 87 "video" 88 ], 89 "type": "object", 90 "properties": { 91 "video": { 92 "examples": [ 93 "https://d3adwkbyhxyrtq.cloudfront.net/webassets/videomodels/ltx-2-19b-lipsync.mp4" 94 ], 95 "description": "The generated video", 96 "title": "Video", 97 "comparison": false 98 } 99 }, 100 "title": "Ltx219BA2V", 101 "required": [ 102 "video" 103 ] 104 } 105 } 106} 107 108headers = { 109 "Content-Type": "application/json", 110 "x-api-key": f"{api_key}", 111} 112 113response = requests.post(url, json=data, headers=headers) 114 115result = response.json() 116print("Queued:", result) 117 118outputs = poll_for_result(result["run_id"]) 119print("Completed:", outputs) 120

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