How much does Aion 3.5 cost per 1M tokens?

Aion 3.5 is priced at $3.00 per 1M input tokens and $6.00 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 Aion 3.5?

Aion 3.5 is provided by Aion-labs. 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 Aion 3.5?

Aion 3.5 supports up to 262,144 tokens per request, with a max output of 32,768 tokens.

ModelPriceLab

Aion-labs Aion 3.5 API Pricing — Token Costs & Alternatives

Aion-labs

Aion 3.5 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

$3.00

Output / 1M Tokens

$6.00

Context window

262,144

Record updated 2026-09-24 · 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	$3.00	$6.00	$0.75	262,144

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Monthly spend on Aion 3.5

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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

Aion 3.5

aion-labs

$18.75/mo

Monthly cost comparison

aion-labs

Aion 3.5

$18.75/mo

Input$12.00

Cached input$0.75

Output$6.00

Lowest cost in this comparison

Frequently asked questions

How much does Aion 3.5 cost per 1M tokens?: Aion 3.5 is priced at $3.00 per 1M input tokens and $6.00 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 Aion 3.5?: Aion 3.5 is provided by Aion-labs. 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 Aion 3.5?: Aion 3.5 supports up to 262,144 tokens per request, with a max output of 32,768 tokens.

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