GLM 5.2vsGPT-5.3 Chat
GLM 5.2 is cheaper than GPT-5.3 Chat at $1.4/M vs $1.75/M input tokens.
| Spec | GLM 5.2 | GPT-5.3 Chat |
|---|---|---|
| Input price | $1.4/M tokens | $1.75/M tokens |
| Output price | $4.4/M tokens | $14/M tokens |
| Context window | 1.0M tokens | 128K tokens |
| Released | Jun 2026 | Mar 2026 |
Our Verdict
GLM 5.2
GPT-5.3 ChatRunner-up
Not enough votes to call it. On the specs, GLM 5.2 has the edge: bigger model tier, newer, bigger context window.
GLM 5.2 costs 3.2x less per token.
Slight edge
API pricing
Cost per 1M tokens
GLM 5.2
Input
$1.40
1.3× cheaper
Output
$4.40
3.2× cheaper
GPT-5.3 Chat
Input
$1.75
Output
$14.00
GLM 5.2 is cheaper on both — 1.3× input, 3.2× output
Writing DNA
Style Comparison
Similarity
42%
GLM 5.2 uses 55.6x more headings
GLM 5.2
GPT-5.3 Chat
56%Vocabulary59%
18wSentence Length26w
0.27Hedging0.84
3.7Bold1.7
2.8Lists6.6
0.00Emoji0.00
0.56Headings0.00
0.24Transitions0.25
Based on 27 + 23 text responses
Research
What we learned reading every model
FAQ
Common questions
Keep exploring
More comparisons
GPT-5.3 Chat vs MiniMax M3New provider
GLM 5.2 vs Ox AlphaNew provider
GLM 5.2 vs Claude Opus 4.1New provider
GPT-5.3 Chat vs MiniMax M2.7New provider
GLM 5.2 vs GPT-5.1 ChatCross-provider
GLM 5.2 vs GPT-5.1-CodexCross-provider
GLM 5.2 vs GPT-5.1 Codex MaxCross-provider
GLM 5.2 vs GPT-5.1-Codex-MiniCross-provider