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VaxVoIP Agent AI SDK vs Ahel

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

VaxVoIP Agent AI SDK compared with Ahel
DetailVaxVoIP Agent AI SDK logo VaxVoIP Agent AI SDKAhel logo Ahel
What it doesSIP-to-OpenAI gateway for building real-time multilingual AI voice agents Per-call data for workflows with pricing before each run
StageNot given MVP
FoundedNot given Not given
Based inNot given EE
Pricing modelPaid Paid
PricingAnnual commercial licensing: 10 concurrent calls $1,480, 20 concurrent calls $2,620, 40 concurrent calls $4,420, 80 concurrent calls $6,420, 160 concurrent calls $8,860, Unlimited concurrent calls $10,680, Unlimited services and unlimited concurrent calls $16,860 (all USD, one year, contact sales) Free starting balance with no card needed. Prepaid balance model with no top-up fee. Per-call pricing shown before each run: people.email.find from $0.005317 per contact found at QuickEnrich up to $0.02156 per email at Tomba; people.email.verify $0.0011 per address. Combined example: $0.6417 to $4.2
Key features
  • SIP server and IP-PBX integration
  • OpenAI real-time speech-to-speech models
  • Multilingual voice interaction
  • Real-time SIP audio processing
  • Sample source code in C#, VB.NET, and Delphi
  • 30-day fully functional trial
  • Simplified OpenAI integration
  • Commercial B2B deployment licensing
  • Find work emails per row with per-call pricing
  • Verify email deliverability in same call
  • Quote before each run with spending ceiling
  • HTTP API, MCP connector and n8n/Make integration
  • Prepaid balance with no subscription or seats
  • Activity log with full audit trail
What makes it different
  • Gateway handles SIP audio bridging so developers focus on voice-agent logic
  • Direct real-time connection between SIP calls and OpenAI speech models
  • Eliminates complex OpenAI protocol and media integration overhead
  • Includes working sample projects with documentation and demo videos
  • Supports natural multilingual conversations on live calls
  • Price shown before each run, nothing charged until execution
  • Single API call finds and verifies email without separate node
  • Runs multiple providers until finding result, charged only for success
  • No provider sign-ups or API keys needed
  • Direct integration with n8n, Make and Claude via MCP
Community votes00
DR (Domain Rating by Ahrefs)25 +1 (up) since last check2 +1 (up) since last check
Trust Flow (Majestic)441
Citation Flow (Majestic)3148
Referring domains (Majestic)9534

5 details filled in for both companies.

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