Compare · ModelsLive · 2 picked · head to head

GLM 5.2 vs GPT-5.1-Codex-Max

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

Winner summary

GLM 5.2 wins 5 of 8 shared benchmarks. Leads in coding · reasoning · math.

Category leads
coding·GLM 5.2reasoning·GLM 5.2language·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
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
Vendor risk
z-ai logo
z-ai
private · undisclosed
Unknown
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Head to head
GLM 5.2GPT-5.1-Codex-Max
LiveBench · Agentic Coding
GLM 5.2 leads by +16.7
GLM 5.2
73.3
GPT-5.1-Codex-Max
56.7
LiveBench · Coding
GPT-5.1-Codex-Max leads by +1.7
GLM 5.2
79.7
GPT-5.1-Codex-Max
81.4
LiveBench · Data Analysis
GLM 5.2 leads by +18.8
GLM 5.2
73.7
GPT-5.1-Codex-Max
54.9
LiveBench · If
GPT-5.1-Codex-Max leads by +4.8
GLM 5.2
62.3
GPT-5.1-Codex-Max
67.1
LiveBench · Language
GLM 5.2 leads by +0.8
GLM 5.2
76.2
GPT-5.1-Codex-Max
75.4
LiveBench · Mathematics
GLM 5.2 leads by +6.1
GLM 5.2
89.8
GPT-5.1-Codex-Max
83.7
LiveBench · Overall
GLM 5.2 leads by +4.3
GLM 5.2
76.2
GPT-5.1-Codex-Max
72.0
LiveBench · Reasoning
GPT-5.1-Codex-Max leads by +5.9
GLM 5.2
78.6
GPT-5.1-Codex-Max
84.6
Full benchmark table
BenchmarkGLM 5.2GPT-5.1-Codex-Max
LiveBench · Agentic Coding
73.356.7
LiveBench · Coding
79.781.4
LiveBench · Data Analysis
73.754.9
LiveBench · If
62.367.1
LiveBench · Language
76.275.4
LiveBench · Mathematics
89.883.7
LiveBench · Overall
76.272.0
LiveBench · Reasoning
78.684.6
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