Gemini Omni 1.2 Flash vs GLM 5.3 Prime

Price, context window & benchmark comparison

Google

Gemini Omni 1.2 Flash

Google
$1.50 / $9.00
Input / Output · per 1M tokens
VS
Z.ai (Zhipu)

GLM 5.3 Prime

Z.ai (Zhipu)
$2.80 / $8.80
Input / Output · per 1M tokens
Compare different models
Google
Z.ai (Zhipu)
Verdict: Gemini Omni 1.2 Flash is 22% cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix. GLM 5.3 Prime has the larger context window (1M vs 131K).
Gemini Omni 1.2 FlashGLM 5.3 Prime
Input price / 1M$1.50$2.80
Output price / 1M$9.00$8.80
Blended price (3:1)$3.38$4.30
Cached input / 1M—$0.56
Context window131K1M
Max output66K131K
Intelligence index——
Coding index——
Providers11
Best provider uptime (30m)100.0%100.0%
Vision inputYesNo
ReasoningYesYes
Tool callingNoYes
Released2026-11-052026-09-23
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini Omni 1.2 Flash or GLM 5.3 Prime?

Gemini Omni 1.2 Flash is 22% cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix.

Gemini Omni 1.2 Flash vs GLM 5.3 Prime: which has a bigger context window?

Gemini Omni 1.2 Flash: 131,072 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 Omni 1.2 Flash ≈ $7,500, GLM 5.3 Prime ≈ $10,000.

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