Zhipu AI·GLM family

GLM-5.3

otherReleased Aug 14, 2026

Z.ai's (formerly Zhipu AI) coding and agentic upgrade built on the same base model as GLM-5.2, with all gains coming from extended post-training (more executable environments, longer-horizon tasks, more RL compute). Claims the strongest open-weight coding performance to date, with large jumps on Terminal-Bench 3.0, DeepSWE v1.1, SWE-Marathon v1.1, and cybersecurity benchmarks like CyberGym and ExploitBench. Supports low, high, and max reasoning effort levels with a 1M-token context route.

ChatText completionFunction callingCode generationReasoningtext · code

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Benchmarks

Published scores with their sources. Vendor-reported results use the vendor's own evaluation settings and are not directly comparable across vendors.

Benchmark	Score	Source
Artificial Analysis Intelligence IndexGeneral · max effort, as listed on 2026-10-01	45	Artificial AnalysisIndependent