Claude Haiku 4.5
Nothing here. The model returned empty. We stared at it for a while.
Claude Haiku 4.5 vs Gemini 3.1 Pro Preview
Compare Claude Haiku 4.5 by Anthropic against Gemini 3.1 Pro Preview by Google AI, context windows of 200K vs 1.0M, tested across 53 shared challenges. Updated April 2026.
Which is better, Claude Haiku 4.5 or Gemini 3.1 Pro Preview?
Claude Haiku 4.5 and Gemini 3.1 Pro Preview are both competitive models. Claude Haiku 4.5 costs $1/M input tokens vs $2/M for Gemini 3.1 Pro Preview. Context windows: 200K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Haiku 4.5 and Gemini 3.1 Pro Preview
Claude Haiku 4.5 is made by anthropic while Gemini 3.1 Pro Preview is from google. Claude Haiku 4.5 has a 200K token context window compared to Gemini 3.1 Pro Preview's 1049K. On pricing, Claude Haiku 4.5 costs $1/M input tokens vs $2/M for Gemini 3.1 Pro Preview.
Our Verdict
Gemini 3.1 Pro Preview
Claude Haiku 4.5Runner-up
No community votes yet. On paper, Gemini 3.1 Pro Preview has the edge — bigger model tier, newer, bigger context window.
Slight edge
Writing DNA
Style Comparison
Similarity
96%
Claude Haiku 4.5 uses 20.4x more emoji
Claude Haiku 4.5
Gemini 3.1 Pro Preview
61%Vocabulary54%
47wSentence Length18w
0.64Hedging0.29
5.1Bold4.9
6.3Lists3.3
0.20Emoji0.00
2.46Headings0.72
0.17Transitions0.14
Based on 24 + 23 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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