GLM 4.5 AirvsPony Alpha
Pony Alpha is cheaper than GLM 4.5 Air at $0/M vs $0.2/M input tokens.
| Spec | GLM 4.5 Air | Pony Alpha |
|---|---|---|
| Input price | $0.2/M tokens | Free |
| Output price | $1.1/M tokens | Free |
| Context window | 128K tokens | 200K tokens |
| Weights | Open | — |
| Free API (OpenRouter) | No | No |
| Released | Jul 2025 | Feb 2026 |
Our Verdict
GLM 4.5 Air
Pony Alpha
Not enough votes to call it. On the specs, nothing separates them.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
GLM 4.5 Air
Input
$0.20
Output
$1.10
Pony Alpha
Input
$0.000
Output
$0.000
Where to run it
3 hosts, cheapest first
Pony Alpha
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 13 Sep 2026.
Writing DNA
Style Comparison
Similarity
57%
GLM 4.5 Air uses 31.7x more emoji
GLM 4.5 Air
Pony Alpha
50%Vocabulary52%
18wSentence Length15w
0.40Hedging0.40
5.1Bold5.9
4.3Lists4.4
0.32Emoji0.00
0.66Headings0.71
0.09Transitions0.23
Based on 27 + 20 text responses
Research
What we learned reading every model
FAQ
Common questions
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