GLM-5.2
Open flagship GLM for long-horizon coding agents and million-token context work
ECI STANDING#39 of 266
SCORE151.86150.21–154.16 CI
FRONTIER LAGLaunched 6.9 months behindScores about what Gemini 3 Pro did in November 2025.
SCORES LIKE THESE MODELSClaude Sonnet 4.6Anthropic · Feb 2026152.25
Full Epoch Capabilities Index ranking ↗Muse SparkMeta AI · Apr 2026152.12
Grok 4.20xAI · Feb 2026152.03
Gemini 3 FlashGoogle DeepMind · Dec 2025151.84
From the lab
Launch announcement · Jun 16, 2026GLM-5.2RELEASE DATEJun 13, 2026
WEIGHTSOpen weights
CONTEXT WINDOW1M
MAX OUTPUT131.1K
REASONINGYes
TOOL CALLINGYes
INPUTStext
OUTPUTStext
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