GLM-5.3 (Low) vs Grok 4.5 (High)
Which is better for the money: GLM-5.3 (Low) by Z AI or Grok 4.5 (High) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
Grok 4.5 (High) scores 4.5 points higher (38.8 vs 34.3) but costs 1.2× as much to run the benchmark ($1244 vs $1013; both premium class). Pick Grok 4.5 (High) when the extra intelligence is worth the premium, otherwise GLM-5.3 (Low).
| Metric | GLM-5.3 (Low) | Grok 4.5 (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.3 | 38.8 | +13.1% Grok 4.5 (High) is 13.1% more intelligent |
| Total AA cost (lower is better) | $1,012.50 | $1,243.85 | +22.8% Grok 4.5 (High) is 22.8% more expensive |
| End-to-end time (lower is better) | 30.79s | 19.24s | −37.5% Grok 4.5 (High) is 37.5% faster |
| Price per 1M tokens (in / out) | $1.40 / $4.40 | $2.00 / $6.00 | |
| Input modalities | Text | Text, Image |
Grok 4.5 (High) vs GLM-5.3 (Low): 13.1% more intelligence, 22.8% more cost to run the AA benchmark, and 37.5% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GLM-5.3 (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- Grok 4.5 (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GLM-5.3 (Low)Grok 4.5 (High)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/glm-5-3-low/grok-4-5 · Markdown: /api/v1/compare/glm-5-3-low/grok-4-5?format=md · llms.txt · agent skill