# Who’s behind the new ‘stealth model’ Ox Alpha? > Source: > Published: 2026-08-23 20:01:36+00:00 A mysterious new AI model called Ox Alpha has driven certain corners of the internet into a frenzy of speculation about who actually built it. The free model was [released on OpenRouter](https://openrouter.ai/stealth/ox-alpha#providers) on Thursday, where it was described as “a reasoning model designed for coding, sustained agentic work, and production workload.” On X, Stripe CEO Patrick Collison (whose company [is acquiring OpenRouter](https://techcrunch.com/2026/08/19/stripe-didnt-really-buy-openrouter-because-of-the-singularity/)) [described Ox Alpha](https://x.com/patrickc/status/2090833307730923528) as “very impressive.” So who’s actually behind Ox Alpha? The OpenRouter listing described it as a “stealth model” and said it was “developed and operated by a third-party provider who has chosen to remain anonymous during this preview.” [Unsurprisingly](https://techcrunch.com/2026/07/26/making-sense-of-the-panic-over-chinese-ai/), much of the speculation has revolved around China. AI analyst Andrew Curran [posted on Friday](https://x.com/AndrewCurran_/status/2090795049080815978) that the initial speculation focused on the GLM models developed by Chinese company [Z.ai](http://z.ai/), but “this morning people seem less sure of anything.” Similarly, [an article on Wccftech](https://wccftech.com/a-mysterious-ai-lab-is-offering-100-trillion-free-tokens-day-for-its-ox-alpha-model-as-evidence-points-to-zhipus-unreleased-glm/) first suggested that the evidence pointed to GLM, but an update suggested that Ox Alpha could be an unreleased version of Microsoft’s MAI. And on Reddit, there’s at least [one post](https://www.reddit.com/r/singularity/comments/1vv8njv/ox_alpha_cant_be_the_chinese/) declaring that Ox Alpha “can’t be the Chinese,” while [another expressed “high confidence”](https://www.reddit.com/r/singularity/comments/1vwgbur/ox_alpha_is_a_chinese_model_we_believe_with_high/) that it is, in fact, Chinese.