Gemini 2.5 Pro vs GLM-5.3-Flash
Which is better for the money: Gemini 2.5 Pro 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 2.5 Pro: 159.6% more intelligence, 62.9% less cost to run the AA benchmark, and 48.8% slower end-to-end.
| Metric | Gemini 2.5 Pro | GLM-5.3-Flash | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 16.1 | 41.8 | +159.6% GLM-5.3-Flash is 2.6× more intelligent |
| Total AA cost (lower is better) | $822.85 | $305.52 | −62.9% GLM-5.3-Flash is 62.9% cheaper |
| End-to-end time (lower is better) | 26.13s | 38.89s | +48.8% GLM-5.3-Flash is 48.8% slower |
| Price per 1M tokens (in / out) | $1.25 / $10.0 | $0.15 / $0.50 | |
| Input modalities | Text, Image, Speech, Video | Text, Image |
Today's Pareto frontier
Against the frontier
- Gemini 2.5 Pro is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- GLM-5.3-Flash is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Gemini 2.5 ProGLM-5.3-FlashToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gemini-2-5-pro/glm-5-3-flash · Markdown: /api/v1/compare/gemini-2-5-pro/glm-5-3-flash?format=md · llms.txt · agent skill