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Comparison of Z.ai: GLM 5, Step-5-Preview
2 modelsz-aiZ.ai: GLM 5Remove ×stepfun-aiStep-5-PreviewRemove ×
What’s differentGLM-5 is Z.ai’s flagship open-source foundation model engineered for complex systems design and long-horizon agent workflows. Built for expert developers, it delivers production-grade performance on…600B total and 27B active parameters; accepts images and video, with FP8 and BF16 weights for deployment.
DateFeb 11, 2026ListedSep 18, 2026Released
Listed rate$0.60 in / $1.92 out/ 1M tokensGMICloud · via OpenRouter · all routes ↗gmicloud/fp8 · quantization=fp8$1.00 in / $2.70 out/ 1M tokensDeepInfra · all routes ↗
Provider endpoints14 endpoints →6 endpoints →
AA Intelligence ↗4.3.2Not reported43.73 ↗Effort not specifiedIndependent result
AA-Briefcase ↗1.1Not reported1,424.32 ↗Effort not specifiedIndependent result
GDPval-AA ↗2.1Not reported1,586.63 ↗Effort not specifiedIndependent result
AutomationBench-AA ↗AA Index 4.3.2 collectionNot reported50.96% ↗Effort not specifiedIndependent result
Terminal-Bench 4.0 · AA ↗Not reported33.33% ↗Effort not specifiedHarness unreportedIndependent result
SciCode ↗AA Index 4.3.2 collectionNot reported58.91% ↗AA · Under reviewEffort not specifiedIndependent result
Humanity’s Last Exam ↗AA Index 4.3.2 collectionNot reported46.48% ↗Effort not specifiedIndependent result
GDP.pdf ↗AA Index 4.3.2 collectionNot reported14.8% ↗Effort not specifiedIndependent result
CritPt ↗AA Index 4.3.2 collectionNot reported20.86% ↗AA · Under reviewEffort not specifiedIndependent result
AA-Omniscience ↗AA Index 4.3.2 collectionNot reported16.38 ↗Effort not specifiedIndependent result
AA-LCR ↗1.1Not reported88.33% ↗Effort not specifiedIndependent result
LiveBench ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported62.01% ↗Effort: max · single run · equal mean of 7 suitesIndependent result
LiveBench Design ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported76.9% ↗Effort: max · single runIndependent result
LiveBench Research ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported72.8% ↗Effort: max · single runIndependent result
LiveBench Browser Use ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported24% ↗Effort: max · single runIndependent result
LiveBench Coding ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported85.6% ↗Effort: max · single runIndependent result
LiveBench Agentic ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported27.5% ↗Effort: max · single runIndependent result
LiveBench Data Analysis ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported63.5% ↗Effort: max · single runIndependent result
LiveBench Reasoning ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reported83.8% ↗Effort: max · single runIndependent result
Context window204.8K1M
Max output131.1K64K
Parameters——
Tool callingSupportedSupported
Structured outputSupportedSupported
Image inputNot reportedSupported
Video inputNot reportedSupported
ReasoningSupportedSupported
Prompt cachingSupportedSupported
Open weightsSupportedSupported

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