MiniMax M3 vs OpenAI o3
Compare MiniMax M3 by MiniMax against OpenAI o3 by OpenAI, tested across 52 shared challenges. Updated June 2026.
Which is better, MiniMax M3 or OpenAI o3?
MiniMax M3 and OpenAI o3 are both competitive models. MiniMax M3 costs $0.3/M input tokens vs $10/M for OpenAI o3. Compare their real outputs side by side below.
Key Differences Between MiniMax M3 and OpenAI o3
MiniMax M3 is made by minimax while OpenAI o3 is from openai. On pricing, MiniMax M3 costs $0.3/M input tokens vs $10/M for OpenAI o3.
API pricing
Per 1M tokens
MiniMax M3
Input
$0.30
33× cheaper
Output
$1.20
33× cheaper
OpenAI o3
Input
$10.00
Output
$40.00
MiniMax M3 is cheaper on both — 33× input, 33× output
Our Verdict
OpenAI o3
MiniMax M3Runner-up
No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier, major provider backing.
MiniMax M3 is 33x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
47%
MiniMax M3 uses 115.0x more emoji
MiniMax M3
OpenAI o3
55%Vocabulary68%
24wSentence Length14w
0.52Hedging0.26
5.2Bold0.7
3.0Lists3.0
1.15Emoji0.00
1.21Headings0.38
0.02Transitions0.12
Based on 27 + 16 text responses
FAQ
