GLM 4.6vsGPT-5.1-Codex
GLM 4.6 is cheaper than GPT-5.1-Codex at $0.4/M vs $1.25/M input tokens.
| Spec | GLM 4.6 | GPT-5.1-Codex |
|---|---|---|
| Input price | $0.4/M tokens | $1.25/M tokens |
| Output price | $1.75/M tokens | $10/M tokens |
| Context window | 203K tokens | 400K tokens |
| Released | Sep 2025 | Nov 2025 |
| SWE-bench Verified | 68.0% | 73.7% |
Our Verdict
GPT-5.1-Codex
GLM 4.6Runner-up
Not enough votes to call it. On the specs, GPT-5.1-Codex has the edge: newer, bigger context window.
GPT-5.1-Codex wins Reasoning and Web Design. GLM 4.6 costs 5.7x less per token.
Slight edge
API pricing
Cost per 1M tokens
GLM 4.6
Input
$0.40
3.1× cheaper
Output
$1.75
5.7× cheaper
GPT-5.1-Codex
Input
$1.25
Output
$10.00
GLM 4.6 is cheaper on both — 3.1× input, 5.7× output
Writing DNA
Style Comparison
Similarity
36%
GLM 4.6 uses 17.9x more emoji
GLM 4.6
GPT-5.1-Codex
52%Vocabulary70%
14wSentence Length17w
0.29Hedging0.39
5.2Bold3.4
3.2Lists3.5
0.18Emoji0.00
0.57Headings0.50
0.09Transitions0.38
Based on 22 + 14 text responses
Research
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FAQ
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