Gemini 3.8 Flash (High) vs GLM-5.3-Flash
Which is better for the money: Gemini 3.8 Flash (High) by Google or GLM-5.3-Flash by Z AI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick GLM-5.3-Flash
GLM-5.3-Flash vs Gemini 3.8 Flash (High): 2.2% more intelligence, 81.2% less cost to run the AA benchmark, and 24.7% slower end-to-end.
| Metric | Gemini 3.8 Flash (High) | GLM-5.3-Flash | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 40.9 | 41.8 | +2.2% GLM-5.3-Flash is 2.2% more intelligent |
| Total AA cost (lower is better) | $1,622.73 | $305.52 | −81.2% GLM-5.3-Flash is 81.2% cheaper |
| End-to-end time (lower is better) | 31.19s | 38.89s | +24.7% GLM-5.3-Flash is 24.7% slower |
| Price per 1M tokens (in / out) | $0.75 / $3.75 | $0.15 / $0.50 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
Today's Pareto frontier
Against the frontier
- Gemini 3.8 Flash (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- GLM-5.3-Flash is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Gemini 3.8 Flash (High)GLM-5.3-FlashToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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