GLM 5.3 Prime vs GPT-4.1 Mini

Price, context window & benchmark comparison

Z.ai (Zhipu)

GLM 5.3 Prime

Z.ai (Zhipu)
$2.80 / $8.80
Input / Output · per 1M tokens
VS
OpenAI

GPT-4.1 Mini

OpenAI
$0.40 / $1.60
Input / Output · per 1M tokens
Compare different models
Z.ai (Zhipu)
OpenAI
Verdict: GPT-4.1 Mini is 6.1× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix. GPT-4.1 Mini has the larger context window (1M vs 1M).
GLM 5.3 PrimeGPT-4.1 Mini
Input price / 1M$2.80$0.40
Output price / 1M$8.80$1.60
Blended price (3:1)$4.30$0.70
Cached input / 1M$0.56$0.10
Context window1M1M
Max output131K33K
Intelligence index
Coding index20.2
Providers1
Best provider uptime (30m)100.0%
Vision inputNoYes
ReasoningYesNo
Tool callingYesYes
Released2026-09-232025-04-14
Retirement

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FAQ

Which is cheaper, GLM 5.3 Prime or GPT-4.1 Mini?

GPT-4.1 Mini is 6.1× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix.

GLM 5.3 Prime vs GPT-4.1 Mini: which has a bigger context window?

GLM 5.3 Prime: 1,000,000 tokens. GPT-4.1 Mini: 1,047,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GLM 5.3 Prime ≈ $10,000, GPT-4.1 Mini ≈ $1,600.

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