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AionLabs

Aion 3.5 pricing & price history

reasoningtoolsaion-labs/aion-3.5

Aion 3.5 by AionLabs costs $3.00 per 1M input tokens and $6.00 per 1M output tokens, with a 262K token context window.

$3.00Input / 1M tokens
$6.00Output / 1M tokens
262KContext window
Intelligence index

Price history

$0.00$3.45$6.90 2026-09-24today input /1M output /1M

No price changes since tracking began on 2026-09-24. We check hourly.

Cost calculator

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About Aion 3.5

Aion 3.5 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...

FAQ

How much does Aion 3.5 cost?

Aion 3.5 by AionLabs costs $3.00 per 1M input tokens and $6.00 per 1M output tokens, with a 262K token context window. A typical request with 2,000 input and 500 output tokens costs about $0.009.

What is the context window of Aion 3.5?

Aion 3.5 supports up to 262,144 tokens of context and up to 32,768 output tokens per request.

Has Aion 3.5’s price changed?

No price changes recorded since ModelBank started tracking it on 2026-09-24.

Is Aion 3.5 being deprecated?

No retirement date has been announced for Aion 3.5 as of 2026-09-24.

What are cheaper alternatives to Aion 3.5?

Cheaper options include Nemotron 3.5 Lightning ($0.08/$0.20), DeepSeek V4 Flash 0731 ($0.04/$0.32), Ministral 3 8B 2512 ($0.15/$0.15), Llama 4 Scout ($0.10/$0.30).