Mystery OpenRouter stealth model Union Alpha rumored to be Qwen4 27B
cephaloform · x · 2026-09-17
OpenRouter added a free stealth model called Union Alpha — multimodal, 256K context, tool calling, aimed at research, coding and agentic workflows. Community speculation says it's actually the unreleased Qwen4 27B with up to 262k context, pending official confirmation.
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