GLM-5.1 (Reasoning) vs Kimi K3 (Low)
Which is better for the money: GLM-5.1 (Reasoning) by Z AI or Kimi K3 (Low) by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick Kimi K3 (Low)
Kimi K3 (Low) vs GLM-5.1 (Reasoning): 15.3% more intelligence, 19.9% less cost to run the AA benchmark, and 2.5% slower end-to-end.
| Metric | GLM-5.1 (Reasoning) | Kimi K3 (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 26.1 | 30.1 | +15.3% Kimi K3 (Low) is 15.3% more intelligent |
| Total AA cost (lower is better) | $1,486.78 | $1,190.42 | −19.9% Kimi K3 (Low) is 19.9% cheaper |
| End-to-end time (lower is better) | 60.76s | 62.29s | +2.5% Kimi K3 (Low) is 2.5% slower |
| Price per 1M tokens (in / out) | $1.28 / $4.07 | $3.00 / $15.0 | |
| Input modalities | Text | Text, Image |
Today's Pareto frontier
Against the frontier
- GLM-5.1 (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Kimi K3 (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GLM-5.1 (Reasoning)Kimi K3 (Low)Today'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-5-1/kimi-k3-low · Markdown: /api/v1/compare/glm-5-1/kimi-k3-low?format=md · llms.txt · agent skill