GPT-5.2vsGPT-5.4 Mini
GPT-5.4 Mini is cheaper than GPT-5.2 at $0.75/M vs $1.75/M input tokens.
| Spec | GPT-5.2 | GPT-5.4 Mini |
|---|---|---|
| Input price | $1.75/M tokens | $0.75/M tokens |
| Output price | $14/M tokens | $4.5/M tokens |
| Context window | 400K tokens | 400K tokens |
| Weights | Closed | Closed |
| Free API (OpenRouter) | No | No |
| Released | Dec 2025 | Mar 2026 |
Our Verdict
GPT-5.2
GPT-5.4 Mini
Not enough votes to call it. On the specs, nothing separates them.
GPT-5.4 Mini costs 3.1x less per token.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.2
Input
$1.75
Output
$14.00
GPT-5.4 Mini
Input
$0.75
2.3× cheaper
Output
$4.50
3.1× cheaper
GPT-5.4 Mini is cheaper on both: 2.3× input, 3.1× output.
Where to run it
4 hosts
Per million tokens. Prices and uptime via OpenRouter, checked 8 Sep 2026.
Writing DNA
Style Comparison
Similarity
57%
GPT-5.2 uses 5.8x more emoji
GPT-5.2
GPT-5.4 Mini
64%Vocabulary54%
16wSentence Length20w
0.34Hedging0.72
9.4Bold6.0
3.9Lists8.3
0.06Emoji0.00
0.89Headings2.11
0.31Transitions0.04
Based on 15 + 23 text responses
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