Compare · ModelsLive · 2 picked · head to head
GLM 5.2 vs GPT-5.2-Codex
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 · math · knowledge.
Category leads
coding·GLM 5.2reasoning·GPT-5.2-Codexlanguage·GPT-5.2-Codexmath·GLM 5.2knowledge·GLM 5.2
Hype vs Reality
Attention vs performance
GLM 5.2
#11 by perf·no signal
GPT-5.2-Codex
#18 by perf·no signal
Best value
GLM 5.2
3.4x better value than GPT-5.2-Codex
GLM 5.2
30.5 pts/$
$2.50/M
GPT-5.2-Codex
9.0 pts/$
$7.88/M
Vendor risk
Who is behind the model
z-ai
private · undisclosed
OpenAI
$840.0B·Tier 1
Head to head
8 benchmarks · 2 models
GLM 5.2GPT-5.2-Codex
LiveBench · Agentic Coding
GLM 5.2 leads by +21.7
GLM 5.2
73.3
GPT-5.2-Codex
51.7
LiveBench · Coding
GPT-5.2-Codex leads by +4.0
GLM 5.2
79.7
GPT-5.2-Codex
83.6
LiveBench · Data Analysis
GPT-5.2-Codex leads by +4.5
GLM 5.2
73.7
GPT-5.2-Codex
78.2
LiveBench · If
GPT-5.2-Codex leads by +4.2
GLM 5.2
62.3
GPT-5.2-Codex
66.5
LiveBench · Language
GLM 5.2 leads by +2.6
GLM 5.2
76.2
GPT-5.2-Codex
73.7
LiveBench · Mathematics
GLM 5.2 leads by +1.0
GLM 5.2
89.8
GPT-5.2-Codex
88.8
LiveBench · Overall
GLM 5.2 leads by +1.9
GLM 5.2
76.2
GPT-5.2-Codex
74.3
LiveBench · Reasoning
GLM 5.2 leads by +0.9
GLM 5.2
78.6
GPT-5.2-Codex
77.7
Full benchmark table
| Benchmark | GLM 5.2 | GPT-5.2-Codex |
|---|---|---|
LiveBench · Agentic Coding | 73.3 | 51.7 |
LiveBench · Coding | 79.7 | 83.6 |
LiveBench · Data Analysis | 73.7 | 78.2 |
LiveBench · If | 62.3 | 66.5 |
LiveBench · Language | 76.2 | 73.7 |
LiveBench · Mathematics | 89.8 | 88.8 |
LiveBench · Overall | 76.2 | 74.3 |
LiveBench · Reasoning | 78.6 | 77.7 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $1.00 | $4.00 | 1.0M tokens (~524 books) | $17.50 | |
| $1.75 | $14.00 | 400K tokens (~200 books) | $48.13 |