Models/Stealth/Union Alpha

Union Alpha

Name: Union Alpha API access
Brand: Stealth

NEW

Stealth · Proprietary · Released Sep 16, 2026 · stealth/union-alpha

Best Free in / Free out via Stealth

Compare Estimate cost

262K contextVisionToolsStructured output

Available from 1 providerUSD / MTOK · PRICES 15 MINUTES AGO

EST. MONTHLY COSTclick a row for detail · click headers to sort

PROVIDER	INPUT	OUTPUT	CACHE	CONTEXT	QUANT	TTFT	TPS	UPTIME
STStealth1ST PARTY	Free	Free	—	262K	—	—	—	100.0%

Recent changesRSS ↗

Sep 17, 2026model added

About

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....

Specifications

Context window262,144

Max output131,072

Modalities intext, image

Modalities outtext

LicenseProprietary

ReleasedSep 16, 2026

TokenizerOther

Embed badge

[![Union Alpha](https://modelindex.ai/badge/stealth/union-alpha)](https://modelindex.ai/models/stealth/union-alpha)

Sources

OpenRouter API15 minutes ago

AGGREGATOR

Verified 15 minutes ago · list prices, not negotiated rates.