GLM 5.3 vs GLM 5.3 FlashX Legal

Price, context window & benchmark comparison

Z.ai (Zhipu)

GLM 5.3

Z.ai (Zhipu)
$0.0699 / $1.40
Input / Output · per 1M tokens
VS
Z.ai (Zhipu)

GLM 5.3 FlashX Legal

Z.ai (Zhipu)
$0.37 / $1.25
Input / Output · per 1M tokens
Compare different models
Z.ai (Zhipu)
Z.ai (Zhipu)
Verdict: GLM 5.3 is 32% cheaper than GLM 5.3 FlashX Legal on a typical 3:1 input/output mix.
GLM 5.3GLM 5.3 FlashX Legal
Input price / 1M$0.0699$0.37
Output price / 1M$1.40$1.25
Blended price (3:1)$0.40$0.59
Cached input / 1M$0.0689$0.075
Context window1M1M
Max output944K131K
Intelligence index31.7—
Coding index74.8—
Providers481
Best provider uptime (30m)100.0%100.0%
Vision inputNoYes
ReasoningYesYes
Tool callingYesYes
Released2026-08-182026-11-02
Retirement——

Cost calculator

FAQ

Which is cheaper, GLM 5.3 or GLM 5.3 FlashX Legal?

GLM 5.3 is 32% cheaper than GLM 5.3 FlashX Legal on a typical 3:1 input/output mix.

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

GLM 5.3: 1,048,576 tokens. GLM 5.3 FlashX Legal: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GLM 5.3 ≈ $839.80, GLM 5.3 FlashX Legal ≈ $1,365.

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