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GLM-5.2 Add a modelChat with this model

Attribute	GLM-5.2z-ai/glm-5.2
Specs
Context window	1M
Max output	128K
Input modalities	Text
Output modalities	Text
Capabilities
Streaming	Supported
Tool calling	Supported
Structured output (JSON)	Supported
Image input	Not supported
Thinking mode	Supported
Price / 1M tokens
Input	$ 1.20
Output	$ 4.40
Cache read	$ 0.30
Cache write	$ 1.20
What it is good at
Best for	Million-token workflows Agentic software engineering
Published benchmarks
Terminal-Bench 2.1pass_rate	81%Terminus-2
SWE-Bench Proresolved_rate	62.1%(setup not fully disclosed)
GPQA Diamondaccuracy	91.2%(setup not fully disclosed)
Humanity's Last Examaccuracy	40.5%
Humanity's Last Exam (with tools)accuracy	54.7%
MCP Atlas Publicscore	76.8%(setup not fully disclosed)
Tool Decathlonscore	48.2%(setup not fully disclosed)