o3 Mini
Nothing here. The model returned empty. We stared at it for a while.
o3 Mini vs OpenAI o4 Mini High
Compare o3 Mini and OpenAI o4 Mini High, both from OpenAI, context windows of 64K vs 200K, tested across 38 shared challenges. Updated April 2026.
Which is better, o3 Mini or OpenAI o4 Mini High?
o3 Mini and OpenAI o4 Mini High are both competitive models. o3 Mini costs $1.1/M input tokens vs $1.1/M for OpenAI o4 Mini High. Context windows: 64K vs 200K tokens. Compare their real outputs side by side below.
Key Differences Between o3 Mini and OpenAI o4 Mini High
o3 Mini is made by openai while OpenAI o4 Mini High is from openai. o3 Mini has a 64K token context window compared to OpenAI o4 Mini High's 200K. On pricing, o3 Mini costs $1.1/M input tokens vs $1.1/M for OpenAI o4 Mini High.
Our Verdict
OpenAI o4 Mini High
o3 MiniRunner-up
No community votes yet. On paper, OpenAI o4 Mini High has the edge — bigger model tier, newer, bigger context window.
Slight edge
Writing DNA
Style Comparison
Similarity
85%
o3 Mini uses 390.2x more bold
o3 Mini
OpenAI o4 Mini High
65%Vocabulary70%
17wSentence Length18w
0.74Hedging0.33
3.9Bold0.0
1.7Lists1.3
0.00Emoji0.02
0.47Headings0.00
0.38Transitions0.04
Based on 12 + 14 text responses
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
Model Similarity Index
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
Devstral M / S
95.7%
Qwen3 Coder / Flash
95.6%
GPT-5.4 / Mini
93.3%
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
Free preview13 of 58 slides
FAQ