Gemini 3.1 Flash Lite Preview vs GLM 5.3 Flash

Price, context window & benchmark comparison

Gemini 3.1 Flash Lite Preview

Google

$0.25 / $1.50

Input / Output · per 1M tokens

GLM 5.3 Flash

Z.ai (Zhipu)

$0.15 / $0.50

Input / Output · per 1M tokens

Compare different models

Verdict: GLM 5.3 Flash is 2.4× cheaper than Gemini 3.1 Flash Lite Preview on a typical 3:1 input/output mix. GLM 5.3 Flash scores higher on the Artificial Analysis Intelligence Index (41.8 vs 15.6). GLM 5.3 Flash has the larger context window (1.3M vs 1M).

	Gemini 3.1 Flash Lite Preview	GLM 5.3 Flash
Input price / 1M	$0.25	$0.15
Output price / 1M	$1.50	$0.50
Blended price (3:1)	$0.56	$0.24
Cached input / 1M	$0.025	$0.05
Context window	1M	1.3M
Max output	66K	944K
Intelligence index	15.6	41.8
Coding index	34.7	71.5
Providers	—	31
Best provider uptime (30m)	—	100.0%
Vision input	Yes	Yes
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-03-03	2026-08-26
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, Gemini 3.1 Flash Lite Preview or GLM 5.3 Flash?

GLM 5.3 Flash is 2.4× cheaper than Gemini 3.1 Flash Lite Preview on a typical 3:1 input/output mix.

Gemini 3.1 Flash Lite Preview vs GLM 5.3 Flash: which has a bigger context window?

Gemini 3.1 Flash Lite Preview: 1,048,576 tokens. GLM 5.3 Flash: 1,310,720 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Gemini 3.1 Flash Lite Preview ≈ $1,250, GLM 5.3 Flash ≈ $550.00.

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