GLM-5.3 (Low) vs Solar Mini 4

Which is better for the money: GLM-5.3 (Low) by Z AI or Solar Mini 4 by Upstage? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.

Trade-off

Z AIGLM-5.3 (Low)Off the frontier

Intelligence: 34.30
Total cost: $1013

UpstageSolar Mini 4Off the frontier

Intelligence: 24.10
Total cost: $502

Verdict

Depends on your budget

GLM-5.3 (Low) scores 10.2 points higher (34.3 vs 24.1) but costs 2.0× as much to run the benchmark ($1013 vs $502; both premium class). Pick GLM-5.3 (Low) when the extra intelligence is worth the premium, otherwise Solar Mini 4.

Metric	GLM-5.3 (Low)	Solar Mini 4	Difference
Intelligence (higher is better)	34.3	24.1	−29.7% Solar Mini 4 is 29.7% less intelligent
Total AA cost (lower is better)	$1,012.50	$502.02	−50.4% Solar Mini 4 is 50.4% cheaper
End-to-end time (lower is better)	30.79s	25.33s	−17.7% Solar Mini 4 is 17.7% faster
Price per 1M tokens (in / out)	$1.40 / $4.40	$0.10 / $0.40
Input modalities	Text	Text

Solar Mini 4 vs GLM-5.3 (Low): 29.7% less intelligence, 50.4% less cost to run the AA benchmark, and 17.7% faster end-to-end.

Open this matchup in the interactive picker GLM-5.3 (Low): what beats it Solar Mini 4: what beats it

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.
Solar Mini 4 is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.

GLM-5.3 (Low)Solar Mini 4Today'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/solar-mini4 · Markdown: /api/v1/compare/glm-5-3-low/solar-mini4?format=md · llms.txt · agent skill