GLM-5.2 vs Gemini 1.5 Pro

Head-to-head technical comparison of intelligence, capabilities, and API pricing.

GLM-5.2

Z.ai

AI Mastery Index91.5

LMSYS Arena1465

Technical (MMLU-Pro)91.2%

Cost per 1M Tokens$1.4

Gemini 1.5 Pro

Google

AI Mastery Index86.4

LMSYS Arena1265

Technical (MMLU-Pro)85.9%

Cost per 1M Tokens$3.5

Architect's Verdict

When comparing GLM-5.2 and Gemini 1.5 Pro, GLM-5.2 edges out in overall capabilities according to the AI Mastery Index. However, for cost-sensitive workloads, GLM-5.2 offers a more economical API at $1.4 per 1M tokens. Your choice should depend heavily on whether you prioritize raw reasoning (MMLU) or scalable deployment economics.