OpenAI o4-mini vs Polaris Alpha
Compare OpenAI o4-mini by OpenAI against Polaris Alpha by OpenRouter, tested across 35 shared challenges. Updated May 2026.
Which is better, OpenAI o4-mini or Polaris Alpha?
OpenAI o4-mini and Polaris Alpha are both competitive models. OpenAI o4-mini costs $1.1/M input tokens vs $0/M for Polaris Alpha. Compare their real outputs side by side below.
Key Differences Between OpenAI o4-mini and Polaris Alpha
OpenAI o4-mini is made by openai while Polaris Alpha is from openrouter. On pricing, OpenAI o4-mini costs $1.1/M input tokens vs $0/M for Polaris Alpha.
API pricing
Per 1M tokens
OpenAI o4-mini
Input
$1.10
Output
$4.40
Polaris Alpha
Input
$0.000
Output
$0.000
Our Verdict
Polaris Alpha
OpenAI o4-miniRunner-up
No community votes yet. On paper, Polaris Alpha has the edge — bigger model tier, newer, bigger context window.
Too close to call
Writing DNA
Style Comparison
Similarity
66%
Polaris Alpha uses 5.5x more lists
OpenAI o4-mini
Polaris Alpha
73%Vocabulary65%
15wSentence Length15w
0.18Hedging0.23
0.0Bold0.0
2.1Lists11.3
0.00Emoji0.00
0.00Headings0.00
0.02Transitions0.04
Based on 10 + 14 text responses
FAQ
