GLM-5.2 vs GLM-5.3

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

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

Identity & lifecycle

ProviderZ.aiZ.ai
Family / tierGLM-5 · FlagshipGLM-5 · Flagship
StatusGAGA
Released2026-06-162026-08-14
Knowledge cutoff——

Architecture & context

Context window1M1M
Max output tokens131K131K
Input modalitiestexttext
Reasoning modeoptionalalways
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 tierfastmedium

Trust & deployment

Trains on inputs—No
LicenseMITcustom-GLM-5.3-License
Clouds—Mistral AI, Alibaba Cloud Model Studio
Compliance——

AI Panel scoring

Unified score8.88.7
Decision Maker8.58.5
Domain Strategist99
Finance Lead9.59.5
Domain Practitioner99
Power User8.58.5
Skeptic87.5
Value score9.69.6

Benchmarks

GPQA Diamond91.2—
Terminal-Bench8188.2
Humanity's Last Exam40.5—
LMArena Elo14721483
LMArena Coding Elo15101524

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