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GLM-5.1 vs GLM-5.2
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Scores
Intelligence (ECI)150—
Coding6591
Math6333
Reasoning & Knowledge4770
Agentic & Tools——
Specifications
DeveloperZ.ai (Zhipu AI)Z.ai (Zhipu AI)
Family——
ReleasedApr 7, 2026Jun 16, 2026
Parameters754B—
Availability—Open weights (unrestricted)
Context window203K1M
Price — $/M input$0.98$0.95
Price — $/M output$3.08$3.00
Inputstexttext
Outputstexttext
Benchmarks
AIME 2024/202592%86%
FrontierMath33%—
FrontierMath Tier 413%—
GPQA Diamond85%92%
SimpleBench59%—
SimpleQA Verified37%38%
SWE-bench Verified74%79%
WebDev Arena15341593
WeirdML57%70%
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.