Compare · ModelsLive · 2 picked · head to head
GPT-5.1-Codex-Max vs GLM 5.2
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GLM 5.2 wins on 5/8 benchmarks
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
Attention vs performance
GPT-5.1-Codex-Max
#16 by perf·no signal
GLM 5.2
#11 by perf·no signal
Best value
GLM 5.2
2.4x better value than GPT-5.1-Codex-Max
GPT-5.1-Codex-Max
12.8 pts/$
$5.63/M
GLM 5.2
30.5 pts/$
$2.50/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
z-ai
private · undisclosed
Head to head
8 benchmarks · 2 models
GPT-5.1-Codex-MaxGLM 5.2
LiveBench · Agentic Coding
GLM 5.2 leads by +16.7
GPT-5.1-Codex-Max
56.7
GLM 5.2
73.3
LiveBench · Coding
GPT-5.1-Codex-Max leads by +1.7
GPT-5.1-Codex-Max
81.4
GLM 5.2
79.7
LiveBench · Data Analysis
GLM 5.2 leads by +18.8
GPT-5.1-Codex-Max
54.9
GLM 5.2
73.7
LiveBench · If
GPT-5.1-Codex-Max leads by +4.8
GPT-5.1-Codex-Max
67.1
GLM 5.2
62.3
LiveBench · Language
GLM 5.2 leads by +0.8
GPT-5.1-Codex-Max
75.4
GLM 5.2
76.2
LiveBench · Mathematics
GLM 5.2 leads by +6.1
GPT-5.1-Codex-Max
83.7
GLM 5.2
89.8
LiveBench · Overall
GLM 5.2 leads by +4.3
GPT-5.1-Codex-Max
72.0
GLM 5.2
76.2
LiveBench · Reasoning
GPT-5.1-Codex-Max leads by +5.9
GPT-5.1-Codex-Max
84.6
GLM 5.2
78.6
Full benchmark table
| Benchmark | GPT-5.1-Codex-Max | GLM 5.2 |
|---|---|---|
LiveBench · Agentic Coding | 56.7 | 73.3 |
LiveBench · Coding | 81.4 | 79.7 |
LiveBench · Data Analysis | 54.9 | 73.7 |
LiveBench · If | 67.1 | 62.3 |
LiveBench · Language | 75.4 | 76.2 |
LiveBench · Mathematics | 83.7 | 89.8 |
LiveBench · Overall | 72.0 | 76.2 |
LiveBench · Reasoning | 84.6 | 78.6 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $1.25 | $10.00 | 400K tokens (~200 books) | $34.38 | |
| $1.00 | $4.00 | 1.0M tokens (~524 books) | $17.50 |