GPT-5.4 NanovsPony Alpha
Pony Alpha is cheaper than GPT-5.4 Nano at $0/M vs $0.2/M input tokens.
| Spec | GPT-5.4 Nano | Pony Alpha |
|---|---|---|
| Input price | $0.2/M tokens | Free |
| Output price | $1.25/M tokens | Free |
| Context window | 400K tokens | 200K tokens |
| Weights | Closed | — |
| Free API (OpenRouter) | No | No |
| Released | Mar 2026 | Feb 2026 |
Our Verdict
GPT-5.4 Nano
Pony Alpha
Not enough votes to call it. On the specs, nothing separates them.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.4 Nano
Input
$0.20
Output
$1.25
Pony Alpha
Input
$0.000
Output
$0.000
Where to run it
2 hosts
Pony Alpha
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
59%
GPT-5.4 Nano
Pony Alpha
51%Vocabulary52%
21wSentence Length15w
0.58Hedging0.40
7.1Bold5.9
5.5Lists4.4
0.01Emoji0.00
1.39Headings0.71
0.05Transitions0.23
Based on 23 + 20 text responses
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