Z.AI: GLM 4.5 vs Gemini 2.5 Flash Preview (thinking)

Compare Z.AI: GLM 4.5 by Zhipu AI against Gemini 2.5 Flash Preview (thinking) by Google AI, in 3 community votes, z.ai: glm 4.5 wins 67% of head-to-head duels, context windows of 128K vs 1.0M, tested across 20 shared challenges. Updated February 2026.

In 3 community votes, Z.AI: GLM 4.5 wins 67% of head-to-head duels. Z.AI: GLM 4.5 leads in Image Generation. Based on blind community voting from the RIVAL open dataset of 3+ human preference judgments for this pair.

Image Generation: Z.AI: GLM 4.5 wins 100% of votes
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