GLM 5.3 Flash vs Hy3 preview

Price, context window & benchmark comparison

Z.ai (Zhipu)

GLM 5.3 Flash

Z.ai (Zhipu)
$0.0399 / $0.0784
Input / Output · per 1M tokens
VS
Tencent

Hy3 preview

Tencent
$0.18 / $0.60
Input / Output · per 1M tokens
Compare different models
Z.ai (Zhipu)
Tencent
Verdict: GLM 5.3 Flash is 5.8× cheaper than Hy3 preview on a typical 3:1 input/output mix. GLM 5.3 Flash has the larger context window (1M vs 262K).
GLM 5.3 FlashHy3 preview
Input price / 1M$0.0399$0.18
Output price / 1M$0.0784$0.60
Blended price (3:1)$0.0495$0.29
Cached input / 1M$0.03$0.06
Context window1M262K
Max output131K236K
Intelligence index27.8—
Coding index71.558.8
Providers42—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-08-262026-04-22
Retirement——

Cost calculator

FAQ

Which is cheaper, GLM 5.3 Flash or Hy3 preview?

GLM 5.3 Flash is 5.8× cheaper than Hy3 preview on a typical 3:1 input/output mix.

GLM 5.3 Flash vs Hy3 preview: which has a bigger context window?

GLM 5.3 Flash: 1,048,576 tokens. Hy3 preview: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GLM 5.3 Flash ≈ $119.00, Hy3 preview ≈ $660.00.

More comparisons