Head to head · 2026-10-14
Z.ai: GLM 5.3 Flash vs
Anthropic: Claude Opus 5.5
Data source
Token share
Z.ai: GLM 5.3 Flash
6.81%
Anthropic: Claude Opus 5.5
3.36%
30d Δ
Z.ai: GLM 5.3 Flash
-1.89pp
Anthropic: Claude Opus 5.5
+2.39pp
Price — $ / M output
Z.ai: GLM 5.3 Flash
$0.50
Anthropic: Claude Opus 5.5
$20.00
Context window
Z.ai: GLM 5.3 Flash
1049k
Anthropic: Claude Opus 5.5
1000k
Share of tokens over time
Detail pages: Z.ai: GLM 5.3 Flash · Anthropic: Claude Opus 5.5