Aion-2.0 vs GLM 5.3 Prime

Price, context window & benchmark comparison

A

Aion-2.0

AionLabs
$0.80 / $1.60
Input / Output · per 1M tokens
VS
Z

GLM 5.3 Prime

Z.ai (Zhipu)
$2.80 / $8.80
Input / Output · per 1M tokens
Compare different models
A
Z
Verdict: Aion-2.0 is 4.3× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix. GLM 5.3 Prime has the larger context window (1M vs 131K).
Aion-2.0GLM 5.3 Prime
Input price / 1M$0.80$2.80
Output price / 1M$1.60$8.80
Blended price (3:1)$1.00$4.30
Cached input / 1M$0.20$0.56
Context window131K1M
Max output33K131K
Intelligence index
Coding index
Providers1
Best provider uptime (30m)100.0%
Vision inputNoNo
ReasoningYesYes
Tool callingYesYes
Released2026-02-232026-09-23
Retirement

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FAQ

Which is cheaper, Aion-2.0 or GLM 5.3 Prime?

Aion-2.0 is 4.3× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix.

Aion-2.0 vs GLM 5.3 Prime: which has a bigger context window?

Aion-2.0: 131,072 tokens. GLM 5.3 Prime: 1,000,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Aion-2.0 ≈ $2,400, GLM 5.3 Prime ≈ $10,000.

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