Gemini 4 Hydrogen vs GLM 5.3 Flash

Price, context window & benchmark comparison

Google

Gemini 4 Hydrogen

Google
$1.50 / $7.50
Input / Output · per 1M tokens
VS
Z.ai (Zhipu)

GLM 5.3 Flash

Z.ai (Zhipu)
$0.0399 / $0.0784
Input / Output · per 1M tokens
Compare different models
Google
Z.ai (Zhipu)
Verdict: GLM 5.3 Flash is 60.6× cheaper than Gemini 4 Hydrogen on a typical 3:1 input/output mix.
Gemini 4 HydrogenGLM 5.3 Flash
Input price / 1M$1.50$0.0399
Output price / 1M$7.50$0.0784
Blended price (3:1)$3.00$0.0495
Cached input / 1M$0.075$0.03
Context window1M1M
Max output944K131K
Intelligence index—27.8
Coding index—71.5
Providers743
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-11-122026-08-26
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini 4 Hydrogen or GLM 5.3 Flash?

GLM 5.3 Flash is 60.6× cheaper than Gemini 4 Hydrogen on a typical 3:1 input/output mix.

Gemini 4 Hydrogen vs GLM 5.3 Flash: which has a bigger context window?

Gemini 4 Hydrogen: 1,048,576 tokens. GLM 5.3 Flash: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 4 Hydrogen ≈ $6,750, GLM 5.3 Flash ≈ $119.00.

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