BrowserGateway vs VaxVoIP Agent AI SDK

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

BrowserGateway compared with VaxVoIP Agent AI SDK
Detail	BrowserGateway	VaxVoIP Agent AI SDK
What it does	The open router for cloud browsers	SIP-to-OpenAI gateway for building real-time multilingual AI voice agents
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Paid
Pricing	Free: up to 10,000 BYOK sessions per month, unlimited bandwidth, all routing strategies, multi-provider failover, up to 100 saved profiles, 60-day session log retention. Paid: from $5 top-up, everything in Free plus BYOK sessions above 10k/mo at $0.0005 each, session recording (video) at $0.007 per	Annual 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)
Key features	Automatic failover across browser providers with zero downtime Persistent encrypted profiles with cookies, localStorage, and IndexedDB MCP server with 8 browser tools for AI agents Five routing strategies including priority chain and load balancing Request queue for connections when all providers are busy Session reconnect to preserve state after connection drops Web dashboard to manage providers, view sessions, and monitor health Webhooks for provider health notifications Self-hosted open source option with MIT license	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
What makes it different	Drop-in compatible with Puppeteer and Playwright requiring only a one-line URL change Routes across any browser provider with automatic failover and no code changes Free tier with 10,000 sessions per month and full routing features Works with AI agents through MCP server with zero configuration Full session persistence across provider failures with encrypted profile storage	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
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 no change since last check	25 +1 (up) since last check
Trust Flow (Majestic)	3	44
Citation Flow (Majestic)	31	31
Referring domains (Majestic)	22	95

5 details filled in for both companies.

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