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Gemini 3.1 Pro vs GLM-5.3

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Gemini 3.1 ProGLM-5.3
AttributeGemini 3.1 ProGoogle DeepMind · 3 in the newsGLM-5.3Z.ai (Zhipu AI) · 3 in the news
Scores
Intelligence (ECI)155
Coding5995
Math71
Reasoning & Knowledge9385
Agentic & Tools79
Specifications
DeveloperGoogle DeepMindZ.ai (Zhipu AI)
FamilyGemini
ReleasedFeb 19, 2026Aug 14, 2026
Parameters744B
AvailabilityAPI accessAPI access
Context window1M
Price — $/M input$1.40
Price — $/M output$4.40
Inputstext
Outputstext
Benchmarks
AIME 2024/202596%
APEX34%
ARC-AGI98%
ARC-AGI-277%
FrontierMath37%
FrontierMath Tier 417%
GPQA Diamond94%92%
GSO (code optimization)23%
Humanity's Last Exam46%42%
METR task horizon6.4 h
SimpleBench80%
SimpleQA Verified77%
SWE-bench Verified76%
Terminal-Bench80%
WebDev Arena1461
WeirdML72%
SciCode56%

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.