Gemini 3.1 Pro Preview vs Z.ai: GLM 5

Compare Gemini 3.1 Pro Preview by Google AI against Z.ai: GLM 5 by Zhipu AI, in 13 community votes, gemini 3.1 pro preview wins 54% of head-to-head duels, context windows of 1.0M vs 203K, tested across 53 shared challenges. Updated April 2026.

Which is better, Gemini 3.1 Pro Preview or Z.ai: GLM 5?

Gemini 3.1 Pro Preview is the better choice overall, winning 54% of 13 blind community votes on Rival. Gemini 3.1 Pro Preview costs $2/M input tokens vs $0.8/M for Z.ai: GLM 5. Context windows: 1049K vs 203K tokens. Compare their real outputs side by side below.

Key Differences Between Gemini 3.1 Pro Preview and Z.ai: GLM 5

Gemini 3.1 Pro Preview is made by google while Z.ai: GLM 5 is from zhipu. Gemini 3.1 Pro Preview has a 1049K token context window compared to Z.ai: GLM 5's 203K. On pricing, Gemini 3.1 Pro Preview costs $2/M input tokens vs $0.8/M for Z.ai: GLM 5. In community voting, In 13 community votes, Gemini 3.1 Pro Preview wins 54% of head-to-head duels.

In 13 community votes, Gemini 3.1 Pro Preview wins 54% of head-to-head duels. Gemini 3.1 Pro Preview leads in Image Generation. Based on blind community voting from the Rival open dataset of 13+ human preference judgments for this pair.

Web Design: Gemini 3.1 Pro Preview and Z.ai: GLM 5 are tied
Image Generation: Gemini 3.1 Pro Preview wins 100% of votes
Our Verdict
Gemini 3.1 Pro Preview
Gemini 3.1 Pro PreviewWinner
Z.ai: GLM 5
Z.ai: GLM 5Runner-up

Gemini 3.1 Pro Preview has the edge overall. In 13 blind votes, Gemini 3.1 Pro Preview wins 54% of the time.

Gemini 3.1 Pro Preview particularly excels in Image Generation. Z.ai: GLM 5 is 4.7x cheaper per token — worth considering if cost matters.

Slight edge
Writing DNA

Style Comparison

Similarity
100%

Z.ai: GLM 5 uses 1.5x more lists

Gemini 3.1 Pro Preview
Z.ai: GLM 5
54%Vocabulary54%
18wSentence Length17w
0.29Hedging0.37
4.9Bold6.3
3.3Lists4.7
0.00Emoji0.00
0.72Headings0.60
0.14Transitions0.18
Based on 23 + 22 text responses
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Gemini 3.1 Pro PreviewZ.ai: GLM 5

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