How much does Union Alpha cost per 1M tokens?

Union Alpha is priced at $0.0000 per 1M input tokens and $0.0000 per 1M output tokens on openrouter. This is a stored listed price and may differ from current provider terms; verify the displayed source link before making a decision.

Who provides Union Alpha?

Union Alpha is provided by Stealth. ModelPriceLab also tracks third-party platforms that resell or proxy this model.

What does the price record timestamp mean?

It shows when ModelPriceLab's stored record changed. It is not an independent source-verification timestamp; confirm current pricing with the provider or platform.

What is the context window for Union Alpha?

Union Alpha supports up to 262,144 tokens per request, with a max output of 131,072 tokens.

ModelPriceLab

Stealth Union Alpha API Pricing — Token Costs & Alternatives

Stealth

Union Alpha pricing

Compare stored list-price records, context window, and recent API changes. Source links are shown where available; verify current provider terms before deciding.

Input / 1M Tokens

$0.0000

Output / 1M Tokens

$0.0000

Context window

262,144

Record updated 2026-09-17 · openrouter

Model details Vendor API pricing Related API changes Check stack cost impact

Pricing per platform

Same model, different platforms. Cached input prices apply when supported.

Platform	Region	Input / 1M	Output / 1M	Cached input	Context
openrouter View source	global	$0.0000	$0.0000	-	262,144

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Monthly spend on Union Alpha

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Price history

Stored record history where available. Timestamps reflect database updates, not independent source verification.

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Monthly Input (Millions)

Monthly Output (Millions)

Cache Hit Ratio20%

Percentage of input tokens that match cached context.

Lowest listed-rate estimate

Union Alpha

stealth

Free/mo

Monthly cost comparison

stealth

Union Alpha

Free/mo

InputFree

Cached inputFree

OutputFree

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Frequently asked questions

How much does Union Alpha cost per 1M tokens?: Union Alpha is priced at $0.0000 per 1M input tokens and $0.0000 per 1M output tokens on openrouter. This is a stored listed price and may differ from current provider terms; verify the displayed source link before making a decision.
Who provides Union Alpha?: Union Alpha is provided by Stealth. ModelPriceLab also tracks third-party platforms that resell or proxy this model.
What does the price record timestamp mean?: It shows when ModelPriceLab's stored record changed. It is not an independent source-verification timestamp; confirm current pricing with the provider or platform.
What is the context window for Union Alpha?: Union Alpha supports up to 262,144 tokens per request, with a max output of 131,072 tokens.

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