GoogleGemini 3 FlashVSZ.ai (Zhipu AI)GLM-4.5
Our Take
We recommend Gemini 3 Flash for its clear benchmark advantage, or the 1.1x cheaper GLM-4.5 only if your budget requires optimizing costs for very high-volume pipelines. While Gemini 3 Flash offers superior reasoning and coding, it carries a moderate price premium. Choose Gemini 3 Flash for quality, or GLM-4.5 for cost optimization.
▶WHY?
Benchmark Calculations & Evidence:
Coding Benchmarks: Both models were evaluated on the SWE-bench Verified benchmark. Gemini 3 Flash scored 78%, while GLM-4.5 scored 64.2%.
Reasoning Benchmarks: Both models were evaluated on the GPQA Diamond benchmark. Gemini 3 Flash scored 90.4%, while GLM-4.5 scored 79.9%.
Cost Efficiency: GLM-4.5 pricing ($0.6/M input, $2.2/M output) is 1.1x cheaper than Gemini 3 Flash ($0.5/M input, $3/M output).
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Benchmarks & Scores
Coding (swe-bench-verified)Winner (+13.8%)
78%multi-file code and clearly defined tasks
Reasoning (gpqa-diamond)Winner (+10.5%)
90.4%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$1.13Input: $0.50 | Output: $3.00Context WindowLarger
1.05M tokensBenchmarks & Scores
Coding (swe-bench-verified)
64.2%multi-file code and clearly defined tasks
Reasoning (gpqa-diamond)
79.9%graduate-level science QA
Cost & Context
Cost (per 1M tokens)1.1x cheaper
$1.00Input: $0.60 | Output: $2.20Context Window
131.07k tokensFrequently Asked Questions about Gemini 3 Flash vs GLM-4.5
GLM-4.5 is cheaper than Gemini 3 Flash. GLM-4.5 has a blended cost of $1.00/1M tokens, which is about 1.1x cheaper than Gemini 3 Flash at $1.13/1M tokens.
Gemini 3 Flash is better for coding tasks on this benchmark. It scores 78% on swe-bench-verified (multi-file code and clearly defined tasks) compared to GLM-4.5 which scores 64.2%.
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