# Stealth Model > Source: > Published: 2026-08-20 23:56:35+00:00 This stealth model is developed and operated by a third-party model provider. Prompts and completions for this model are retained by the provider and are not used for training; all other use is governed by the [Stealth Model Terms(opens in new tab)](https://openrouter.ai/terms/stealth). Ox Alpha is a reasoning model designed for coding, sustained agentic work, and production workloads. It is suited for long-horizon software engineering, complex reasoning, and workflows that combine text with visual context. Ox Alpha is a stealth model. It is developed and operated by a third-party provider who has chosen to remain anonymous during this preview. OpenRouter routes requests to it and is not its developer, owner, or provider. Prompts and completions are retained by the provider and are not used for training; all other use is governed by the [Stealth Model Terms(opens in new tab)](https://openrouter.ai/terms/stealth). Modalities Price Free Context 1M Released Aug 20, 2026 | Free | Free | 1.06s | 67 tps | Throughput 67tok/s P50, best across providers Latency 1.06s P50, best provider 99.98% 99.91% When an error occurs in an upstream provider, we can recover by routing to another healthy provider, if your request filters allow it. You can access per-provider uptime data programmatically through the [Endpoints API](/docs/api/api-reference/endpoints/list-endpoints). [Learn more](/docs/provider-routing) about our load balancing and customization options.