GPT-4.1 vs GPT-1

Compare GPT-4.1 and GPT-1, both from OpenAI, context windows of 1.0M vs 1K, tested across 7 shared challenges. Updated March 2026.

Which is better, GPT-4.1 or GPT-1?

GPT-4.1 and GPT-1 are both competitive models. Context windows: 1048K vs 1K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-4.1 and GPT-1

GPT-4.1 is made by openai while GPT-1 is from openai. GPT-4.1 has a 1048K token context window compared to GPT-1's 1K.

Our Verdict
GPT-4.1
GPT-4.1
GPT-1
GPT-1Runner-up

No community votes yet. On paper, GPT-4.1 has the edge — bigger model tier, newer, bigger context window.

Slight edge
Writing DNA

Style Comparison

Similarity
49%

GPT-4.1 uses 902.6x more bold

GPT-4.1
GPT-1
58%Vocabulary65%
19wSentence Length14w
0.38Hedging0.27
9.0Bold0.0
6.1Lists0.3
0.24Emoji0.00
1.01Headings0.00
0.07Transitions0.41
Based on 25 + 7 text responses
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