GLM-5-3 (Flagship) vs GPT-6 Luna

A direct, empirical evaluation of GLM-5-3 (Flagship) (Zhipu AI & THUDM) against GPT-6 Luna (OpenAI).

GLM-5-3 (Flagship)

Developed by Zhipu AI & THUDM · 744B parameters

Complex algorithmic reasoning, multi-step code synthesis, and long-horizon tool execution.

GPT-6 Luna

Developed by OpenAI · Proprietary High-Throughput Distillation parameters

High-throughput document extraction, sub-second routing, customer service triage, code autocomplete, and cost-optimized reasoning via Luna Pro mode.

Metric GLM-5-3 (Flagship) GPT-6 Luna
SWE-bench Verified 54.8% 48.2%
MMLU-Pro 78.4% 74.6%
MATH-500 93.6% 84.1%
Context Window 256,000 tokens 1,050,000 tokens
Input Pricing (per 1M) $0.55 $0.10
Output Pricing (per 1M) $2.19 $0.50