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GLM-5.1 vs Qwen3.5-27B
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Scores
Intelligence (ECI)150—
Coding6524
Math63—
Reasoning & Knowledge4716
Agentic & Tools——
Specifications
DeveloperZ.ai (Zhipu AI)Alibaba
Family—Qwen
ReleasedApr 7, 2026Feb 24, 2026
Parameters754B—
Availability—Open weights (restricted use)
Context window203K262K
Price — $/M input$0.98$0.20
Price — $/M output$3.08$1.56
Inputstexttext, image, video
Outputstexttext
Benchmarks
AIME 2024/202592%—
FrontierMath33%—
FrontierMath Tier 413%—
GPQA Diamond85%—
SimpleBench59%—
SimpleQA Verified37%—
SWE-bench Verified74%—
WebDev Arena15341357
WeirdML57%40%
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.