Gemini 3 Pro vs GLM-5.3-Flash
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
GLM-5.3-Flash by Zhipu AI wins on 5 of 6 benchmarks against Gemini 3 Pro by Google, which leads on 1. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
Coding: In coding, GLM-5.3-Flash scores 1310 on Design Arena ELO compared to Gemini 3 Pro's 1259, while GLM-5.3-Flash scores 1286 on Website Arena ELO compared to Gemini 3 Pro's 1265.
Reasoning: In reasoning, Gemini 3 Pro scores 91.9% on GPQA Diamond compared to GLM-5.3-Flash's 85.8%.
Context: In context, GLM-5.3-Flash scores 1.3M on Context Length compared to Gemini 3 Pro's 1.0M.
Pricing Comparison
Gemini 3 Pro costs $2.0/1M input tokens and $12.0/1M output tokens, while GLM-5.3-Flash costs $0.15/1M input and $0.50/1M output. GLM-5.3-Flash is the more affordable option for API usage.
Verdict
GLM-5.3-Flash leads across the board in affordability, making it the stronger overall choice in this comparison.
View Individual Model Pages
Gemini 3 Pro vs GLM-5.3-Flash — FAQ
Which is better, Gemini 3 Pro or GLM-5.3-Flash?
GLM-5.3-Flash wins on more benchmarks overall (5 vs 1). However, the best choice depends on your specific needs — each model excels in different areas.
How does Gemini 3 Pro compare to GLM-5.3-Flash for coding?
SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.
Is Gemini 3 Pro cheaper than GLM-5.3-Flash?
Yes, GLM-5.3-Flash is cheaper. Gemini 3 Pro costs $2.0/1M input and $12.0/1M output tokens. GLM-5.3-Flash costs $0.15/1M input and $0.50/1M output tokens.
Which is faster, Gemini 3 Pro or GLM-5.3-Flash?
Output speed data is not available for both models. Check the speed section of the comparison above for available performance data.
What benchmarks does the Gemini 3 Pro vs GLM-5.3-Flash comparison cover?
This comparison covers 6 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length, Design Arena ELO, Website Arena ELO. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.