Ox Alpha AI Model: The Mystery Stealth Model Everyone's Talking About (August 2026)
TL;DR Ox Alpha is a free stealth AI model on OpenRouter (listed as stealth/ox-alpha ), released August 20, 2026 - developer identity unknown. It has a 1,048,576-token context window, handles text, image, and video input, and is built for coding and agentic work. Stripe CEO Patrick Collison called it "very impressive." Nobody knows who's behind it. A new AI model showed up on OpenRouter on August 20, 2026. No press release. No company name. No founder tweet. Just a listing under the provider tag "Stealth" and a model ID: stealth/ox-alpha . Within days, developers were flooding threads trying to figure out who built it. The Ox Alpha AI model had gone viral - not because of a marketing campaign, but because it's genuinely good, completely free, and completely anonymous. That combination doesn't happen by accident. Reporting note: This article is compiled and fact-checked by the AI Tech Safar editorial team directly from OpenRouter's ...