Ox Alpha vs XSDHub

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

Ox Alpha compared with XSDHub
Detail	Ox Alpha	XSDHub
What it does	Free stealth reasoning model for coding, agentic work, and multimodal workflows available through OpenRouter	XML validation and schema tools for developers
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	NL
Pricing model	Free	Freemium
Pricing	$0 per million input tokens, $0 per million output tokens during preview; TryOXAlpha hosted chat offers 5 free guest replies, 15 additional replies after account creation, and 100 AI replies for $4.99 one-time purchase	Free: unlimited individual XML checks, local validation, no account required. Pro: US$19/month (US$190/year), batch 25 files, 10 cloud projects, 10 schemas, 300 validations + 250 invoices/day. Team: US$49/month (US$490/year), batch 100 files, 50 shared projects, 100 schemas, 5 seats, 1,000 validatio
Key features	1,048,576-token context window Multimodal inputs: text, image, and video Tool calling and structured outputs Configurable reasoning efforts: low, high, and max OpenAI-compatible API endpoint Supported through OpenRouter model ID stealth/ox-alpha 131,072 output tokens maximum	Free local XML syntax and formatting checks XSD 1.0 validation with local imports and includes Optional XSD 1.1 and ISO Schematron XPath 1.0 server validation Cloud schema projects with version control Batch validation up to 25 files (Pro) or 100 files (Team) API access with daily quotas Public HTTPS schema import and structural comparison EN 16931 and XRechnung invoice validation Multi-format invoice validation (Factur-X, KSeF, RO e-Factura, HR-CIUS)
What makes it different	1M token context window for repository-scale coding tasks Multimodal support combining code with screenshots and diagrams Free preview pricing during stealth release Tool calling and structured output for agentic workflows	Browser-based validation runs locally without uploading documents by default Explicit server processing consent required for any upload Comprehensive e-invoice validation across six European formats Built with AI assistance and documented with primary references
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet −1 (down) since last check	1 no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	17	4
Referring domains (Majestic)	11	1

5 details filled in for both companies.

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