Stealth
About Stealth
Anonymous model namespace used for the Ox Alpha stealth preview. OpenRouter later attributed Ox Alpha to Z.AI GLM-5.3-Flash, but the historical stealth identity is retained separately.
Performance
Recent Gateway performance across models from Stealth.
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No recent data
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No recent data
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No recent data
Performance metrics will appear after this lab’s models serve Gateway traffic.
Latest models
Recent releases with availability, context, pricing, and usage details.
Space Bunny Alpha is an anonymous large model with fast inference, strong coding capabilities, native multimodal input, adjustable reasoning effort, and a one-million-token context window. It is operated by an undisclosed third-party provider during this preview.
Union Alpha was an anonymous test alias for Unbiased's Pareto 26.9. The alias was retired from provider routing on 2026-09-17; this historical record is retained for documentation and is not enabled for routing.
Ox Alpha was an anonymous stealth-preview reasoning model for coding, sustained agentic work, and production workloads. OpenRouter reported that the model was revealed as Z.AI GLM-5.3-Flash and is no longer available under the Ox Alpha name.
Around the web
Official profiles, research, and community channels.