Z.ai·GLM

GLM-5.1

A GLM-5 update for long-horizon work, designed to execute autonomously for hours within one task.

LegacyReasoningCodingAgentOpen weights

MODEL NUMBER081

Specifications

Only published specifications are shown.

Architecture

MoE

Context

200K

Input modalities

Text

Open weights

Yes

License

MIT

Status

Legacy

A GLM-5 update for long-horizon work, designed to execute autonomously for hours within one task.

Compared with GLM-5 ↗

PreviousGLM-5744B · — ctx

CurrentGLM-5.1— · 200K ctx

New capabilities Tool use

Long-horizon agentCodingTool use

2026-04-07Open weights

GLM-5.1 launched.

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