Compare · ModelsLive · 3 picked · head to head

GLM 5.2 vs GPT-5.1-Codex-Max vs GPT-5.2-Codex

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

GLM 5.2 wins 4 of 8 shared benchmarks. Leads in coding · math · knowledge.

Category leads
coding·GLM 5.2reasoning·GPT-5.2-Codexlanguage·GPT-5.1-Codex-Maxmath·GLM 5.2knowledge·GLM 5.2
Hype vs Reality
GLM 5.2
#67 by perf·#3 by attention
DESERVED
GPT-5.1-Codex-Max
#14 by perf·#4 by attention
DESERVED
GPT-5.2-Codex
#17 by perf·#4 by attention
DESERVED
Best value
1.8x better value than GPT-5.1-Codex-Max
GLM 5.2
22.6 pts/$
$2.50/M
GPT-5.1-Codex-Max
12.8 pts/$
$5.63/M
GPT-5.2-Codex
9.0 pts/$
$7.88/M
Vendor risk
z-ai logo
z-ai
private · undisclosed
Unknown
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Head to head
GLM 5.2GPT-5.1-Codex-MaxGPT-5.2-Codex
LiveBench · Agentic Coding
GLM 5.2 leads by +16.7
GLM 5.2
73.3
GPT-5.1-Codex-Max
56.7
GPT-5.2-Codex
51.7
LiveBench · Coding
GPT-5.2-Codex leads by +2.2
GLM 5.2
79.7
GPT-5.1-Codex-Max
81.4
GPT-5.2-Codex
83.6
LiveBench · Data Analysis
GPT-5.2-Codex leads by +4.5
GLM 5.2
73.7
GPT-5.1-Codex-Max
54.9
GPT-5.2-Codex
78.2
LiveBench · If
GPT-5.1-Codex-Max leads by +0.7
GLM 5.2
62.3
GPT-5.1-Codex-Max
67.1
GPT-5.2-Codex
66.5
LiveBench · Language
GLM 5.2 leads by +0.8
GLM 5.2
76.2
GPT-5.1-Codex-Max
75.4
GPT-5.2-Codex
73.7
LiveBench · Mathematics
GLM 5.2 leads by +1.0
GLM 5.2
89.8
GPT-5.1-Codex-Max
83.7
GPT-5.2-Codex
88.8
LiveBench · Overall
GLM 5.2 leads by +1.9
GLM 5.2
76.2
GPT-5.1-Codex-Max
72.0
GPT-5.2-Codex
74.3
LiveBench · Reasoning
GPT-5.1-Codex-Max leads by +5.9
GLM 5.2
78.6
GPT-5.1-Codex-Max
84.6
GPT-5.2-Codex
77.7
Full benchmark table
BenchmarkGLM 5.2GPT-5.1-Codex-MaxGPT-5.2-Codex
LiveBench · Agentic Coding
73.356.751.7
LiveBench · Coding
79.781.483.6
LiveBench · Data Analysis
73.754.978.2
LiveBench · If
62.367.166.5
LiveBench · Language
76.275.473.7
LiveBench · Mathematics
89.883.788.8
LiveBench · Overall
76.272.074.3
LiveBench · Reasoning
78.684.677.7
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
z-ai logoGLM 5.2$1.00$4.001.0M tokens (~524 books)$17.50
OpenAI logoGPT-5.1-Codex-Max$1.25$10.00400K tokens (~200 books)$34.38
OpenAI logoGPT-5.2-Codex$1.75$14.00400K tokens (~200 books)$48.13