GLM-5.1 (Reasoning) vs Qwen3 Coder Next
Which is better for the money: GLM-5.1 (Reasoning) by Z AI or Qwen3 Coder Next by Alibaba? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-08-07.
Trade-off
Verdict
Depends on your budget
GLM-5.1 (Reasoning) scores 19.7 points higher (41.0 vs 21.3) but costs 2.7× as much to run the benchmark ($676 vs $250; premium vs mid-range cost classes). Pick GLM-5.1 (Reasoning) when the extra intelligence is worth the premium, otherwise Qwen3 Coder Next.
| Metric | GLM-5.1 (Reasoning) | Qwen3 Coder Next | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 41.0 | 21.3 | −48.0% Qwen3 Coder Next is 48.0% less intelligent |
| Total AA cost (lower is better) | $675.84 | $250.18 | −63.0% Qwen3 Coder Next is 63.0% cheaper |
| End-to-end time (lower is better) | 59.11s | 5.28s | −91.1% Qwen3 Coder Next is 91.1% faster |
| Price per 1M tokens (in / out) | $1.38 / $4.40 | $0.35 / $1.20 | |
| Input modalities | Not reported | Not reported |
Qwen3 Coder Next vs GLM-5.1 (Reasoning): 48.0% less intelligence, 63.0% less cost to run the AA benchmark, and 91.1% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GLM-5.1 (Reasoning) is off the frontier: at the same or lower cost, Muse Spark 1.2 (xhigh) scores 56.80 for $639.
- Qwen3 Coder Next is off the frontier: at the same or lower cost, GPT-5.6 Luna (max) scores 52.30 for $172.
GLM-5.1 (Reasoning)Qwen3 Coder NextToday's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/glm-5-1/qwen3-coder-next · Markdown: /api/v1/compare/glm-5-1/qwen3-coder-next?format=md · llms.txt · agent skill