Claude Opus 4.1vsGPT-4.1
GPT-4.1 is cheaper than Claude Opus 4.1 at $2/M vs $15/M input tokens.
| Spec | Claude Opus 4.1 | GPT-4.1 |
|---|---|---|
| Input price | $15/M tokens | $2/M tokens |
| Output price | $75/M tokens | $8/M tokens |
| Context window | 200K tokens | 1.0M tokens |
| Released | Aug 2025 | Apr 2025 |
| SWE-bench Verified | 74.5% | 54.6% |
Our Verdict
Claude Opus 4.1
GPT-4.1
Not enough votes to call it. On the specs, nothing separates them.
GPT-4.1 costs 9.4x less per token.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.1
Input
$15.00
Output
$75.00
GPT-4.1
Input
$2.00
7.5× cheaper
Output
$8.00
9.4× cheaper
GPT-4.1 is cheaper on both — 7.5× input, 9.4× output
Writing DNA
Style Comparison
Similarity
47%
Claude Opus 4.1 uses 3.7x more emoji
Claude Opus 4.1
GPT-4.1
63%Vocabulary58%
64wSentence Length19w
0.72Hedging0.49
4.5Bold8.8
5.3Lists5.8
0.81Emoji0.22
1.42Headings1.01
0.16Transitions0.10
Based on 26 + 27 text responses
Research
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FAQ
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