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Comparison of Z.ai: GLM 4.5, Z.ai: GLM 5.1, DeepSeek-V4.1-Flash-1017
3 modelsz-aiZ.ai: GLM 4.5Remove ×z-aiZ.ai: GLM 5.1Remove ×deepseek-aiDeepSeek-V4.1-Flash-1017Remove ×
What’s differentGLM-4.5 is our latest flagship foundation model, purpose-built for agent-based applications. It leverages a Mixture-of-Experts (MoE) architecture and supports a context length of up to 128k tokens. GLM-4.5…GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks. Unlike previous models built around minute-level interactions, GLM-5.1 can work…DeepSeek-V4.1-Flash-1017 is a minor update to DeepSeek-V4.1-Flash, delivering substantial improvements across reasoning, coding, agentic tasks, and visual benchmarks. Alongside these gains, the model…
DateJul 25, 2025ListedApr 3, 2026ListedOct 17, 2026Released
Listed rate$0.60 in / $2.20 out/ 1M tokensZ.AI · via OpenRouter · all routes ↗z-ai/fp8 · quantization=fp8$0.966 in / $3.036 out/ 1M tokensExperiential · all routes ↗Standard list rate$0.07 in / $0.50 out/ 1M tokensRelace · via OpenRouter · all routes ↗relace
Provider endpoints2 endpoints →17 endpoints →27 endpoints →
AA Intelligence ↗4.3.2Not reportedNot reported45.1 ↗Effort: max · MaxIndependent result
AA-Briefcase ↗1.1Not reportedNot reported1,570.42 ↗Effort: max · MaxIndependent result
GDPval-AA ↗2.1Not reportedNot reported1,745.77 ↗Effort: max · MaxIndependent result
AutomationBench-AA ↗AA Index 4.3.2 collectionNot reportedNot reported66.64% ↗Effort: max · MaxIndependent result
Terminal-Bench 4.0 · AA ↗Not reportedNot reported33.84% ↗Effort: max · MaxHarness unreportedIndependent result
SciCode ↗AA Index 4.3.2 collectionNot reportedNot reported55.9% ↗AA · Under reviewEffort: max · MaxIndependent result
Humanity’s Last Exam ↗AA Index 4.3.2 collectionNot reportedNot reported43.33% ↗Effort: max · MaxIndependent result
GDP.pdf ↗AA Index 4.3.2 collectionNot reportedNot reported17.2% ↗Effort: max · MaxIndependent result
CritPt ↗AA Index 4.3.2 collectionNot reportedNot reported24% ↗AA · Under reviewEffort: max · MaxIndependent result
AA-Omniscience ↗AA Index 4.3.2 collectionNot reportedNot reported4.7 ↗Effort: max · MaxIndependent result
AA-LCR ↗1.1Not reportedNot reported82.67% ↗Effort: max · MaxIndependent result
LiveBench ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reportedNot reported79.2% ↗Effort: max · single run · equal mean of 7 suitesIndependent result
LiveBench Design ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reportedNot reported83.4% ↗Effort: max · single runIndependent result
LiveBench Research ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reportedNot reported79.5% ↗Effort: max · single runIndependent result
LiveBench Browser Use ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reportedNot reported76% ↗Effort: max · single runIndependent result
LiveBench Coding ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reportedNot reported96% ↗Effort: max · single runIndependent result
LiveBench Agentic ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reportedNot reported50.9% ↗Effort: max · single runIndependent result
LiveBench Data Analysis ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reportedNot reported79.5% ↗Effort: max · single runIndependent result
LiveBench Reasoning ↗2.0 · 2026-10-14 (dataset 2026-09-02)Not reportedNot reported89.1% ↗Effort: max · single runIndependent result
Context window131.1K204.8K1M
Max output98.3K131.1K393.2K
Parameters———
Tool callingSupportedSupportedSupported
Structured outputSupportedSupportedSupported
Image inputNot reportedNot reportedSupported
ReasoningSupportedSupportedSupported
Prompt cachingSupportedSupportedSupported
Open weightsSupportedSupportedSupported

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