GLM 5.3 FlashX vs Hy4 preview

Price, context window & benchmark comparison

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GLM 5.3 FlashX

Z.ai (Zhipu)
$0.37 / $1.25
Input / Output · per 1M tokens
VS
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Hy4 preview

Tencent
$0.83 / $2.50
Input / Output · per 1M tokens
Compare different models
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Verdict: GLM 5.3 FlashX is 2.1× cheaper than Hy4 preview on a typical 3:1 input/output mix.
GLM 5.3 FlashXHy4 preview
Input price / 1M$0.37$0.83
Output price / 1M$1.25$2.50
Blended price (3:1)$0.59$1.25
Cached input / 1M$0.09$0.042
Context window1M1M
Max output131K64K
Intelligence index
Coding index
Providers13
Best provider uptime (30m)100.0%100.0%
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-09-182026-08-28
Retirement

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FAQ

Which is cheaper, GLM 5.3 FlashX or Hy4 preview?

GLM 5.3 FlashX is 2.1× cheaper than Hy4 preview on a typical 3:1 input/output mix.

GLM 5.3 FlashX vs Hy4 preview: which has a bigger context window?

GLM 5.3 FlashX: 1,048,576 tokens. Hy4 preview: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GLM 5.3 FlashX ≈ $1,365, Hy4 preview ≈ $2,919.

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