Claude Opus 4.1
Nothing here. The model returned empty. We stared at it for a while.
Claude Opus 4.1 vs Gemini 3 Flash Preview
Compare Claude Opus 4.1 by Anthropic against Gemini 3 Flash Preview by Google AI, context windows of 200K vs 1.0M, tested across 27 shared challenges. Updated April 2026.
Which is better, Claude Opus 4.1 or Gemini 3 Flash Preview?
Claude Opus 4.1 and Gemini 3 Flash Preview are both competitive models. Claude Opus 4.1 costs $15/M input tokens vs $0.5/M for Gemini 3 Flash Preview. Context windows: 200K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4.1 and Gemini 3 Flash Preview
Claude Opus 4.1 is made by anthropic while Gemini 3 Flash Preview is from google. Claude Opus 4.1 has a 200K token context window compared to Gemini 3 Flash Preview's 1049K. On pricing, Claude Opus 4.1 costs $15/M input tokens vs $0.5/M for Gemini 3 Flash Preview.
Our Verdict
Claude Opus 4.1
Gemini 3 Flash Preview
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Gemini 3 Flash Preview is 25x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
99%
Claude Opus 4.1 uses 38.4x more emoji
Claude Opus 4.1
Gemini 3 Flash Preview
61%Vocabulary55%
87wSentence Length18w
0.54Hedging0.42
5.1Bold7.1
6.7Lists4.5
0.38Emoji0.00
1.68Headings0.84
0.13Transitions0.07
Based on 17 + 24 text responses
vsAsk them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
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