GPT-5.1 ChatvsPony Alpha
Pony Alpha is cheaper than GPT-5.1 Chat at $0/M vs $1.25/M input tokens.
| Spec | GPT-5.1 Chat | Pony Alpha |
|---|---|---|
| Input price | $1.25/M tokens | Free |
| Output price | $10/M tokens | Free |
| Context window | 128K tokens | 200K tokens |
| Free API (OpenRouter) | No | No |
| Released | Nov 2025 | Feb 2026 |
Our Verdict
GPT-5.1 Chat
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-5.1 Chat
Input
$1.25
Output
$10.00
Pony Alpha
Input
$0.000
Output
$0.000
Writing DNA
Style Comparison
Similarity
32%
Pony Alpha uses 71.4x more headings
GPT-5.1 Chat
Pony Alpha
73%Vocabulary52%
18wSentence Length15w
0.45Hedging0.40
1.1Bold5.9
2.4Lists4.4
0.00Emoji0.00
0.00Headings0.71
0.06Transitions0.23
Based on 15 + 20 text responses
Research
What we learned reading every model
FAQ
Common questions
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