Union Alpha is a multimodal model built for research, coding, and agentic workflows, while delivering frontier-level performance across a broad range of general-purpose tasks. Union Alpha is a stealth model....
Union Alpha by stealth is offered by 2 providers on this page. Its reference price is $0 per 1M tokens. It also has 2 free ($0) channels; free tiers usually carry rate limits, and subscription-covered access bills $0 per token only after the subscription fee.
The context window is 262,144 tokens, with an output limit of 131,072 tokens. It supports tool use. Accepted input modalities are Text and Image.
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Kilo Gateway | Gateway | Free | — | — | 262,144 | 131,072 | ||
| OpenRouter | Gateway | Free | — | — | 262,144 | 131,072 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
This model is $0 across all listed channels (Kilo Gateway, OpenRouter).
Price history accumulates from each data sync; currently only 1 sample(s) (2026-09-17). Each future sync adds a point, and once accumulated a line is drawn here.