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Aion-2.0

AionLabs · released 5 months ago

Aion-2.0 is a AionLabs model with a 131K token context window — about 190 pages of text. It reads Text and replies in Text. It can show its reasoning before it answers.

$0.920

input / 1M tokens

$1.84

output / 1M tokens

131K

context — about 190 pages

0.61¢

a client proposal

Pricing

Input
$0.920 per million tokens
Output
$1.84 per million tokens
Cached input
$0.230 per million tokens

Billed from your Alyph wallet. Prices can change when the provider changes theirs — last checked August 9, 2026.

The numbers

Provider
AionLabs
Released
5 months ago (2026-02-23)
Context window
131K tokens — about 190 pages
Max output
33K tokens per reply
Input
Text
Output
Text
Reasoning
Shows its thinking before answering

Cost vs Token Amount

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80% Input20% Output
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Aion-2.0

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What a task costs

2K tokens in · 500 tokens out.

Aion-2.0

AionLabs

0.28¢

for this task

67% input · 33% output

Full pricing →

Your $5 welcome credit covers about 1,811 of these.

Compare Aion-2.0

Closest in price on a typical task:

Aion-2.0 vs Aion-RP 1.0 (8B) →Aion-2.0 vs Relace Apply 3 →Aion-2.0 vs Qwen3 VL 235B A22B Thinking →Aion-2.0 vs Kimi K2.5 →Any other combination →

Questions, answered

How much does Aion-2.0 cost on Alyph?

Aion-2.0 costs $0.920 per million input tokens and $1.84 per million output tokens on Alyph. A typical task — 5K tokens in, 800 out — works out to about 0.61¢. Billed from your Alyph wallet, with hard spending limits. Prices can change when the provider changes theirs; this page was last checked on August 9, 2026.

What is Aion-2.0's context window?

131K tokens — about 190 pages. Replies can be up to 33K tokens long.

Can Aion-2.0 read images and files?

Aion-2.0 is text-only. The canvas still serializes uploads into plain text, so you can work with files — but it cannot see images.

Does Aion-2.0 show its reasoning?

Yes. Aion-2.0 can expose its thinking before the final answer, so you can watch how it got there.

Test Aion-2.0 against Aion-RP 1.0 (8B)

One prompt, both models at the same time, the better answer wins. Free to start, with $5 of credit.

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