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Pixapi vs Vocal Isolator

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Pixapi compared with Vocal Isolator
DetailPixapi logo PixapiVocal Isolator logo Vocal Isolator
What it doesUnified API for image and video generation with transparent, credit-based pricing AI vocal and music separator for creating acapellas, instrumentals, and karaoke tracks
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelPaid Not given
Pricing1 credit = $0.01. Billed per image or per second for video. Gemini 3.1 Flash Lite Image: 2 credits/image. GPT Image 2.5 Flare: from 1 credit/image (1024x1024 low). GPT Image 2: from 1 credit/image. FLUX.2 Pro: from 3 credits/image. Seedream 5.0 Pro: from 4 credits/image. Qwen Image 3.0: 3 credits/im Free tier: 30-second preview without sign-in, 1 minute free downloads after sign-in, 10 clips up to 30 seconds daily. Pro: $9.99/month for 20 hours monthly. Pay-as-you-go: 20 Minute Pack $1.99, 1 Hour Pack $4.99, 10 Hour Pack $14.99.
Key features
  • Unified authentication across multiple AI providers
  • Transparent credit pricing visible before each request
  • Switch between models with single request field change
  • Async video generation with task tracking
  • Automatic refunds for eligible failed requests
  • Usage monitoring and credit tracking in developer console
  • Support for 10+ image and video models
  • API documentation optimized for AI coding tools
  • BS-RoFormer AI model for source separation with 18.10 dB instrumental SDR on MVSEP leaderboard
  • Supports MP3, WAV, FLAC, AIFF, M4A, AAC, OGG, OPUS audio and MP4, MOV, M4V, WEBM, MKV video up to 2 GB
  • Returns both tracks as 44.1 kHz, 16-bit WAV or MP3 with sample alignment
  • Speed control from 50% to 150% without changing pitch
  • Key shift up or down by up to 6 semitones without changing speed
  • BPM and key detection on acapella extractor
  • 24-bit WAV output option at 44.1 or 48 kHz on acapella extractor
  • Remove background noise, hum, fans, traffic, and room echo from speech
What makes it different
  • One account and API key for all supported models instead of separate accounts per provider
  • Transparent credit costs before making requests with no token guessing
  • Lower prices than official APIs through volume rates
  • Automatic refund protection for eligible failed tasks
  • Consistent API format across different model providers
  • Uses AI source separation instead of phase cancellation, keeping bass and drums intact
  • Automatic file deletion after 24 hours for privacy
  • Fast processing on dedicated cloud GPUs with instant preview as upload begins
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)11 −3 (down) since last check5 +3 (up) since last check
Trust Flow (Majestic)90
Citation Flow (Majestic)320
Referring domains (Majestic)1410

4 details filled in for both companies.

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