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AionLabs: Aion-3.0 API Pricing

AionLabs: Aion-3.0 is an API model from aion-labs. It costs $3 per 1M input tokens and $6 per 1M output tokens, with cached input at $0.75. Its context window is 131,072 tokens with up to 32,768 output tokens. A workload of 10M input + 2M output tokens costs about $42 per month.
Input
$3
per 1M tokens
Output
$6
per 1M tokens
Cached input
$0.75
per 1M tokens
Context window
131K
131,072 tokens
Blended (80/20)
$3.6
per 1M tokens

Aion-3.0 is a multi-model roleplaying and storytelling system from AionLabs, built on the GLM family of models. It uses a collaborative generation process in which multiple specialized models each contribute...

How much does AionLabs: Aion-3.0 cost for a real workload?

At 10M input + 2M output tokens per month, AionLabs: Aion-3.0 costs about $42 ($30 input + $12 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to AionLabs: Aion-3.0?

Compare AionLabs: Aion-3.0 with other models

AionLabs: Aion-3.0 vs AionLabs: Aion 3.5 MiniAionLabs: Aion-3.0 vs AionLabs: Aion-3.0-MiniAionLabs: Aion-3.0 vs AionLabs: Aion-2.0AionLabs: Aion-3.0 vs AionLabs: Aion-RP 1.0 (8B)AionLabs: Aion-3.0 vs AionLabs: Aion 3.5

Frequently asked questions

How much does AionLabs: Aion-3.0 cost?

AionLabs: Aion-3.0 costs $3 per 1M input tokens and $6 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $42.

What is the context window of AionLabs: Aion-3.0?

AionLabs: Aion-3.0 has a context window of 131,072 tokens and can return up to 32,768 output tokens per response.

What are cheaper alternatives to AionLabs: Aion-3.0?

Cheaper models include OpenAI: GPT-5.4 (batch) ($1.25 in / $7.5 out), SpaceXAI: Grok 4.7 ($2 in / $6 out), Sakana: Fugu Max ($2 in / $6 out). See the full list on this page.

Is AionLabs: Aion-3.0 free to use?

No. AionLabs: Aion-3.0 is a paid model at $3 input / $6 output per 1M tokens. 20 free models are listed on the free models page.

Provider: aion-labs · Model ID: aion-labs/aion-3.0 · Modality: text->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices