ApertureAug 2026
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Z

Z.ai (Zhipu)

Beijing

GLM-5.3 sits one point off the Intelligence Index lead at $1.40 / $4.40. Agentic scores punch above the price.

z.ai
01
Z

GLM-5.3

Z.ai (Zhipu) · Aug 2026 · Open weight

59.5
Index
Intel59.5
Code74.8
Agents59.1

One point off Opus 5 on the Intelligence Index. Best agentic score in the open-weight set. Text-only; weights were staged late August.

Price /1M
$1.40 / $4.40
Context
1M
Speed
66 t/s
Status
Current
Agents on a budgetOpen-weight intelligence
Details
02
Z

GLM-5.3 Flash

Z.ai (Zhipu) · Aug 2026 · Open weight

57.5
Index
Intel57.5
Code71.5
Agents58.2

Almost GLM-5.3 intelligence at Flash prices. If it holds under independent harnesses, it is the value model of August.

Price /1M
$0.15 / $0.50
Context
1M
Speed
110 t/s
Status
Current
Cheap agentsHigh volume reasoning
Details
03
Z

GLM-5.2

Z.ai (Zhipu) · Jun 2026 · Open weight

52.6
Index
Intel52.6
Code68.8
Agents45.7

MIT-licensed predecessor. Faster than 5.3, less agentic. Keep it if the license is the feature.

Price /1M
$1.40 / $4.40
Context
1M
Speed
141 t/s
Status
Superseded
MIT licenseFast GLM serving
Details

Aperture is a field guide, not a vendor. Scores compiled 28 Aug 2026.

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