Gemini 2.5 Pro vs GLM-4.5-Air
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Gemini 2.5 Pro by Google and GLM-4.5-Air by Zhipu AI are evenly matched across 8 benchmarks. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
Coding: In coding, Gemini 2.5 Pro scores 1164 on Design Arena ELO compared to GLM-4.5-Air's 1145, while Gemini 2.5 Pro scores 1179 on Website Arena ELO compared to GLM-4.5-Air's 1159.
Reasoning: In reasoning, Gemini 2.5 Pro scores 79.9% on GPQA Diamond compared to GLM-4.5-Air's 64.7%, while GLM-4.5-Air scores 70.9% on τ²-Bench Airline compared to Gemini 2.5 Pro's 61.3%.
Context: In context, Gemini 2.5 Pro scores 1.0M on Context Length compared to GLM-4.5-Air's 131K.
Pricing Comparison
Gemini 2.5 Pro costs $1.3/1M input tokens and $10.0/1M output tokens, while GLM-4.5-Air costs $0.13/1M input and $0.85/1M output. GLM-4.5-Air is the more affordable option for API usage.
Verdict
GLM-4.5-Air leads across the board in affordability, making it the stronger overall choice in this comparison.
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Gemini 2.5 Pro vs GLM-4.5-Air — FAQ
Which is better, Gemini 2.5 Pro or GLM-4.5-Air?
Gemini 2.5 Pro and GLM-4.5-Air are evenly matched across benchmarks. The best choice depends on your specific priorities such as coding ability, speed, or pricing.
How does Gemini 2.5 Pro compare to GLM-4.5-Air 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 2.5 Pro cheaper than GLM-4.5-Air?
Yes, GLM-4.5-Air is cheaper. Gemini 2.5 Pro costs $1.3/1M input and $10.0/1M output tokens. GLM-4.5-Air costs $0.13/1M input and $0.85/1M output tokens.
Which is faster, Gemini 2.5 Pro or GLM-4.5-Air?
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 2.5 Pro vs GLM-4.5-Air comparison cover?
This comparison covers 8 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length, Cached Input Cost, Design Arena ELO, τ²-Bench Airline, Website Arena ELO. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.