GLM 4.5vsGrok 3 Beta
GLM 4.5 is cheaper than Grok 3 Beta at $0.6/M vs $2/M input tokens.
| Spec | GLM 4.5 | Grok 3 Beta |
|---|---|---|
| Input price | $0.6/M tokens | $2/M tokens |
| Output price | $2.2/M tokens | $4/M tokens |
| Context window | 128K tokens | 131K tokens |
| Weights | Open | — |
| Free API (OpenRouter) | No | No |
| Released | Jul 2025 | Apr 2025 |
| LiveCodeBench | 63.3% | 79.4% |
Our Verdict
GLM 4.5
Grok 3 Beta
Not enough votes to call it. On the specs, nothing separates them.
Too close to call
API pricing
Cost per 1M tokens
GLM 4.5
Input
$0.60
3.3× cheaper
Output
$2.20
1.8× cheaper
Grok 3 Beta
Input
$2.00
Output
$4.00
GLM 4.5 is cheaper on both: 3.3× input, 1.8× output.
Where to run it
1 host
GLM 4.51 host
Grok 3 Beta
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
66%
GLM 4.5 uses 33.2x more emoji
GLM 4.5
Grok 3 Beta
52%Vocabulary51%
17wSentence Length19w
0.52Hedging0.59
5.6Bold3.1
4.8Lists5.0
0.33Emoji0.00
0.66Headings0.50
0.17Transitions0.28
Based on 28 + 28 text responses
Research
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