Gemini 3.7 Flash vs GLM 5.3 Prime

Price, context window & benchmark comparison

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Gemini 3.7 Flash

Google
$0.75 / $3.75
Input / Output · per 1M tokens
VS
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GLM 5.3 Prime

Z.ai (Zhipu)
$2.80 / $8.80
Input / Output · per 1M tokens
Compare different models
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Verdict: Gemini 3.7 Flash is 2.9× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix. Gemini 3.7 Flash has the larger context window (1M vs 1M).
Gemini 3.7 FlashGLM 5.3 Prime
Input price / 1M$0.75$2.80
Output price / 1M$3.75$8.80
Blended price (3:1)$1.50$4.30
Cached input / 1M$0.075$0.56
Context window1M1M
Max output66K131K
Intelligence index39.1—
Coding index76.1—
Providers61
Best provider uptime (30m)99.9%100.0%
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-08-132026-09-23
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini 3.7 Flash or GLM 5.3 Prime?

Gemini 3.7 Flash is 2.9× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix.

Gemini 3.7 Flash vs GLM 5.3 Prime: which has a bigger context window?

Gemini 3.7 Flash: 1,048,576 tokens. GLM 5.3 Prime: 1,000,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 3.7 Flash ≈ $3,375, GLM 5.3 Prime ≈ $10,000.

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