Union Alpha Stealth Model

Union Alpha is a multimodal model built for research, coding, and agentic workflows that delivers frontier-level performance across diverse general-purpose tasks, according to third-party information. The model's documentation lists API parameters including temperature (0 to 2), max_tokens, top_p (0 to 1), frequency_penalty and presence_penalty (-2 to 2), stream, tools, and reasoning_effort, alongside example prompts for system guidance, coding, follow-up conversation, and creative writing.

- Third-party Union Alpha is a multimodal model designed for research, coding, and agentic workflows. It delivers frontier-level performance across diverse general-purpose tasks. Paris System Guidance — Set a helpful system role before asking a question. An API Application Programming Interface is a set of rules that lets different software programs communicate with each other. For example, a weather app can use an API to request the latest forecast from a weather service. Coding Example — Ask for a short coding example. javascript function reverseString str { return ...str .reverse .join "" ; } // Example call: console.log reverseString "hello" ; // "olleh" Follow-up Conversation — Continue a short conversation with prior assistant context. Prioritize location over amenities for a short weekend—you’ll get more out of your trip if you spend less time in transit. - Your main activity: Stay near the beach for a relaxing getaway, or near the center for restaurants, sightseeing, and nightlife. - Walkability and transport: Look for cafés and dinner options within walking distance, plus easy access to the airport or train station. If you’re driving, check parking costs. - Total Creative Writing — Generate a compact piece of creative writing. The weary day sank softly out of sight, And left me searching shadows for a spark. Then one small star unfolded into light— Enough to lead me gently through the dark. ▶messages array required temperature number minimum: 0maximum: 2 max tokens number exclusiveMinimum: 0 max completion tokens number exclusiveMinimum: 0 top p number minimum: 0maximum: 1 frequency penalty number minimum: -2maximum: 2 presence penalty number minimum: -2maximum: 2 stream boolean ▶stream options{} object ▶tools array tool choice response format ▶modalities array ▶audio{} object reasoning effort string Optional reasoning control; availability and accepted values are model-dependent. id string object string created number model string ▶choices array ▶usage{} object