Gemini 3 Flash Preview vs GLM 5.3 FlashX Legal

Price, context window & benchmark comparison

Google

Gemini 3 Flash Preview

Google
$0.50 / $3.00
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
Google
Z.ai (Zhipu)
Verdict: GLM 5.3 FlashX Legal is 48% cheaper than Gemini 3 Flash Preview on a typical 3:1 input/output mix.
Gemini 3 Flash PreviewGLM 5.3 FlashX Legal
Input price / 1M$0.50$0.37
Output price / 1M$3.00$1.25
Blended price (3:1)$1.13$0.59
Cached input / 1M$0.05$0.075
Context window1M1M
Max output66K131K
Intelligence index——
Coding index——
Providers—1
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2025-12-172026-11-02
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini 3 Flash Preview or GLM 5.3 FlashX Legal?

GLM 5.3 FlashX Legal is 48% cheaper than Gemini 3 Flash Preview on a typical 3:1 input/output mix.

Gemini 3 Flash Preview vs GLM 5.3 FlashX Legal: which has a bigger context window?

Gemini 3 Flash Preview: 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: Gemini 3 Flash Preview ≈ $2,500, GLM 5.3 FlashX Legal ≈ $1,365.

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