GLM-5.3 vs GLM-5.2

Best cell per row highlighted. Null means undisclosed — never counted as zero.

Z.ai
GLM-5.3GA
8.7
AI Panel
Z.ai
GLM-5.2GA
8.8
AI Panel

Identity & lifecycle

ProviderZ.aiZ.ai
Family / tierGLM-5 · FlagshipGLM-5 · Flagship
StatusGAGA
Released2026-08-142026-06-16
Knowledge cutoff——

Architecture & context

Context window1M1M
Max output tokens131K131K
Input modalitiestexttext
Reasoning modealwaysoptional
Open weightsYesYes

Pricing (per Mtok)

Input$1.4$1.4
Output$4.4$4.4
Cached input$0.26$0.26
Batch input——
Free tierNoNo

Speed

Output speed (tok/s)—166.6
Time to first token (s)—1.39
Latency tiermediumfast

Trust & deployment

Trains on inputsNo—
Licensecustom-GLM-5.3-LicenseMIT
CloudsMistral AI, Alibaba Cloud Model Studio—
Compliance——

AI Panel scoring

Unified score8.78.8
Decision Maker8.58.5
Domain Strategist99
Finance Lead9.59.5
Domain Practitioner99
Power User8.58.5
Skeptic7.58
Value score9.69.6

Benchmarks

GPQA Diamond—91.2
Terminal-Bench88.281
Humanity's Last Exam—40.5
LMArena Elo14831472
LMArena Coding Elo15241510

Scores link to their sources. Missing cells mean the vendor hasn't disclosed a result — honesty over padding.