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GLM-5.2 vs GPT-6 Astra

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GLM-5.2GPT-6 Astra
AttributeGLM-5.2Z.ai (Zhipu AI) · 28 in the newsGPT-6 AstraOpenAI · 47 in the news
Scores
Intelligence (ECI)152169
Coding7693
Math2791
Reasoning & Knowledge4898
Agentic & Tools7890
Specifications
DeveloperZ.ai (Zhipu AI)OpenAI
Family—GPT
ReleasedJun 16, 2026Sep 3, 2026
Parameters——
AvailabilityOpen weights (unrestricted)API access
Context window1M1.1M
Price — $/M input$0.97$10.00
Price — $/M output$4.00$50.00
Inputstextfile, image, text
Outputstexttext
Benchmarks
AIME 2024/202586%100%
APEX45%65%
ARC-AGI77%99%
ARC-AGI-223%95%
GPQA Diamond92%96%
Humanity's Last Exam41%55%
SciCode51%56%
SimpleBench59%—
SimpleQA Verified34%76%
SWE-bench Verified79%—
WebDev Arena15931800
WeirdML70%94%
τ²-bench99%—
GSO (code optimization)—79%

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.

Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.