GPT-4.1 Mini vs OpenAI o3
Compare GPT-4.1 Mini and OpenAI o3, both from OpenAI, tested across 54 shared challenges. Updated June 2026.
Which is better, GPT-4.1 Mini or OpenAI o3?
GPT-4.1 Mini and OpenAI o3 are both competitive models. GPT-4.1 Mini costs $0.4/M input tokens vs $10/M for OpenAI o3. Compare their real outputs side by side below.
Key Differences Between GPT-4.1 Mini and OpenAI o3
GPT-4.1 Mini is made by openai while OpenAI o3 is from openai. On pricing, GPT-4.1 Mini costs $0.4/M input tokens vs $10/M for OpenAI o3.
API pricing
Per 1M tokens
GPT-4.1 Mini
Input
$0.40
25× cheaper
Output
$1.60
25× cheaper
OpenAI o3
Input
$10.00
Output
$40.00
GPT-4.1 Mini is cheaper on both — 25× input, 25× output
Our Verdict
OpenAI o3
GPT-4.1 MiniRunner-up
No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier.
GPT-4.1 Mini is 25x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
63%
GPT-4.1 Mini uses 6.8x more bold
GPT-4.1 Mini
OpenAI o3
59%Vocabulary68%
19wSentence Length14w
0.46Hedging0.26
4.7Bold0.7
4.9Lists3.0
0.00Emoji0.00
0.76Headings0.38
0.17Transitions0.12
Based on 23 + 16 text responses
FAQ
