GLM-4.5 vs GPT-5.4 mini: Specs & Benchmark Comparison

CharacteristicGLM-4.5GPT-5.4 mini
CompanyZhipu AIOpenAI
Release DateJuly 27, 2025March 1, 2026
Parameters355B
MultimodalNoYes
Context (input)131K400K
Context (output)98K128K
Input Price / 1M$0.60$0.42
Output Price / 1M$2.20$5.50
Average Score0.80.8
Benchmarks
GPQA0.80.9

Visual Benchmark Comparison

GLM-4.5
GPT-5.4 mini
GPQA0.8 vs 0.9
0.8
0.9

Verdict

GPT-5.4 mini leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: GLM-4.5 — 0.8, GPT-5.4 mini — 0.8.

API Cost

GLM-4.5 is 2.1x cheaper: input $0.60/1M vs $0.42/1M tokens.

Context Window

GPT-5.4 mini supports a larger context: 400K vs 131K tokens.

Recency

GPT-5.4 mini is newer: released 3/1/2026 vs 7/27/2025.

More About These Models

Related Comparisons

The GLM-4.5 and GPT-5.4 mini comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GLM-4.5 or GPT-5.4 mini page. See also the complete list of AI model comparisons.