GLM 5.2vsGPT-5.2 Pro
GLM 5.2 is cheaper than GPT-5.2 Pro at $1.4/M vs $21/M input tokens.
| Spec | GLM 5.2 | GPT-5.2 Pro |
|---|---|---|
| Input price | $1.4/M tokens | $21/M tokens |
| Output price | $4.4/M tokens | $168/M tokens |
| Context window | 1.0M tokens | 400K tokens |
| Released | Jun 2026 | Dec 2025 |
Our Verdict
GLM 5.2
GPT-5.2 ProRunner-up
Not enough votes to call it. On the specs, GLM 5.2 has the edge: newer, bigger context window.
GLM 5.2 costs 38x less per token.
Too close to call
API pricing
Cost per 1M tokens
GLM 5.2
Input
$1.40
15× cheaper
Output
$4.40
38× cheaper
GPT-5.2 Pro
Input
$21.00
Output
$168.00
GLM 5.2 is cheaper on both — 15× input, 38× output
Writing DNA
Style Comparison
Similarity
38%
GLM 5.2 uses 14.9x more transitions
GLM 5.2
GPT-5.2 Pro
56%Vocabulary62%
18wSentence Length19w
0.27Hedging0.39
3.7Bold8.6
2.8Lists3.8
0.00Emoji0.00
0.56Headings1.17
0.24Transitions0.02
Based on 27 + 10 text responses
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