GLM-5.3-Flash vs Kimi K2.6 (Reasoning)
Which is better for the money: GLM-5.3-Flash by Z AI or Kimi K2.6 (Reasoning) by Kimi? 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
Kimi K2.6 (Reasoning) vs GLM-5.3-Flash: 35.4% less intelligence, 400.2% more cost to run the AA benchmark, and 54.3% slower end-to-end.
| Metric | GLM-5.3-Flash | Kimi K2.6 (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 41.8 | 27.0 | −35.4% Kimi K2.6 (Reasoning) is 35.4% less intelligent |
| Total AA cost (lower is better) | $305.52 | $1,528.20 | +400.2% Kimi K2.6 (Reasoning) is 5.0× more expensive |
| End-to-end time (lower is better) | 38.89s | 60.02s | +54.3% Kimi K2.6 (Reasoning) is 54.3% slower |
| Price per 1M tokens (in / out) | $0.15 / $0.50 | $0.95 / $4.00 | |
| Input modalities | Text, Image | Text, Image, Video |
Today's Pareto frontier
Against the frontier
- GLM-5.3-Flash is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- Kimi K2.6 (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GLM-5.3-FlashKimi K2.6 (Reasoning)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-flash/kimi-k2-6 · Markdown: /api/v1/compare/glm-5-3-flash/kimi-k2-6?format=md · llms.txt · agent skill