GLM 4.7 Flash vs GLM 5.3 FlashX Legal

Price, context window & benchmark comparison

Z.ai (Zhipu)

GLM 4.7 Flash

Z.ai (Zhipu)
$0.0605 / $0.40
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 4.7 Flash is 4.1× cheaper than GLM 5.3 FlashX Legal on a typical 3:1 input/output mix. GLM 5.3 FlashX Legal has the larger context window (1M vs 200K).
GLM 4.7 FlashGLM 5.3 FlashX Legal
Input price / 1M$0.0605$0.37
Output price / 1M$0.40$1.25
Blended price (3:1)$0.15$0.59
Cached input / 1M—$0.075
Context window200K1M
Max output118K131K
Intelligence index——
Coding index——
Providers—1
Best provider uptime (30m)—100.0%
Vision inputNoYes
ReasoningYesYes
Tool callingYesYes
Released2026-01-192026-11-02
Retirement——

Cost calculator

FAQ

Which is cheaper, GLM 4.7 Flash or GLM 5.3 FlashX Legal?

GLM 4.7 Flash is 4.1× cheaper than GLM 5.3 FlashX Legal on a typical 3:1 input/output mix.

GLM 4.7 Flash vs GLM 5.3 FlashX Legal: which has a bigger context window?

GLM 4.7 Flash: 200,000 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 4.7 Flash ≈ $321.00, GLM 5.3 FlashX Legal ≈ $1,365.

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