GPT-4.1 Nano
Nothing here. The model returned empty. We stared at it for a while.
GPT-4.1 Nano vs Gemini 2.5 Pro (I/O Edition)
Compare GPT-4.1 Nano by OpenAI against Gemini 2.5 Pro (I/O Edition) by Google AI, tested across 34 shared challenges. Updated April 2026.
Which is better, GPT-4.1 Nano or Gemini 2.5 Pro (I/O Edition)?
GPT-4.1 Nano and Gemini 2.5 Pro (I/O Edition) are both competitive models. GPT-4.1 Nano costs $0.1/M input tokens vs $1.25/M for Gemini 2.5 Pro (I/O Edition). Compare their real outputs side by side below.
Key Differences Between GPT-4.1 Nano and Gemini 2.5 Pro (I/O Edition)
GPT-4.1 Nano is made by openai while Gemini 2.5 Pro (I/O Edition) is from google. On pricing, GPT-4.1 Nano costs $0.1/M input tokens vs $1.25/M for Gemini 2.5 Pro (I/O Edition).
Our Verdict
Gemini 2.5 Pro (I/O Edition)
GPT-4.1 NanoRunner-up
No community votes yet. On paper, Gemini 2.5 Pro (I/O Edition) has the edge — bigger model tier.
GPT-4.1 Nano is 25x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
96%
GPT-4.1 Nano uses 18.8x more transitions
GPT-4.1 Nano
Gemini 2.5 Pro (I/O Edition)
57%Vocabulary58%
25wSentence Length16w
0.72Hedging0.38
5.6Bold5.8
4.9Lists5.0
0.00Emoji0.00
0.71Headings0.63
0.22Transitions0.01
Based on 24 + 16 text responses
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