GLM-5.3 (Low) vs Kimi K3.1 Pro
Which is better for the money: GLM-5.3 (Low) by Z AI or Kimi K3.1 Pro by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
Kimi K3.1 Pro scores 20.8 points higher (55.1 vs 34.3) but costs 3.1× as much to run the benchmark ($3117 vs $1013; flagship vs premium cost classes). They are not alternatives at one budget: pick Kimi K3.1 Pro when you need intelligence above 34.3, and GLM-5.3 (Low) when 34.3 is enough.
| Metric | GLM-5.3 (Low) | Kimi K3.1 Pro | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.3 | 55.1 | +60.6% Kimi K3.1 Pro is 60.6% more intelligent |
| Total AA cost (lower is better) | $1,012.50 | $3,117.31 | +207.9% Kimi K3.1 Pro is 3.1× more expensive |
| End-to-end time (lower is better) | 31.21s | 42.64s | +36.6% Kimi K3.1 Pro is 36.6% slower |
| Price per 1M tokens (in / out) | $1.40 / $4.40 | $2.00 / $10.0 | |
| Input modalities | Text | Text, Image |
Kimi K3.1 Pro vs GLM-5.3 (Low): 60.6% more intelligence, 207.9% more cost to run the AA benchmark, and 36.6% slower 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.
- Kimi K3.1 Pro is on today's frontier: nothing is both smarter and cheaper.
GLM-5.3 (Low)Kimi K3.1 ProToday'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/glm-5-3-low/kimi-k3-1-pro · Markdown: /api/v1/compare/glm-5-3-low/kimi-k3-1-pro?format=md · llms.txt · agent skill