GLM-4.5 vs Mistral Medium 3.5

Both are Mid-tier models, from Z.ai and Mistral AI respectively. GLM-4.5 is the cheaper choice overall at a 4:1 input:output ratio.

Which is cheaper

Input price: GLM-4.5 is cheaper ($0.60 vs $1.50).
Output price: GLM-4.5 is cheaper ($2.20 vs $7.50).
Blended, 4:1 input:output ratio: GLM-4.5 is 65.9% cheaper ($0.92 vs $2.70 per weighted 1M tokens).

Side by side

Spec	GLM-4.5	Mistral Medium 3.5
Provider	Z.ai	Mistral AI
Tier	Mid	Mid
Context window	128K	256K
Max output	96K	—
Input $/1M	$0.60	$1.50
Output $/1M	$2.20	$7.50
Cache read $/1M	$0.11	—
Modalities	text	text

GLM-4.5. Popular open-weight GLM generation, per 1M tokens.

Sources

GLM-4.5 — verified August 29, 2026

Mistral Medium 3.5 — verified August 29, 2026

Full GLM-4.5 pricing page → · Full Mistral Medium 3.5 pricing page →