GLM 5.1

Name: GLM 5.1
Brand: Z.AI
SKU: glm-5.1

GLM 5.1 advances Z.AI’s coding and long-horizon task capabilities, with a focus on sustained autonomous work over extended engineering tasks. It is designed for planning, executing, and refining complex projects while maintaining reliable reasoning across long interactions.

glm-5.1

Open Relay View integration

relay/request.mjsready to route

const completion = await client.chat.completions.create({
  model: "glm-5.1",
  messages: [
    { role: "user",
      content: "Plan a multi-step task" }
  ]
});

CONTEXT200K contextprompt window

MAX OUTPUT64Kper response

INPUT$1.40 / Mtoken price

OUTPUT$4.40 / Mtoken price

Route configuration_

Choose a supported call format.

Select a format below to view its documentation. Use the displayed converter route when calling through PipeLLM.

ENDPOINThttps://api.pipellm.aiOne base URL for OpenAI Chat Completions, Responses, Anthropic, and Gemini.

SUPPORTED CALL FORMATS

OpenAI/openai/v1/chat/completionsDocs Responses/responses/v1/responsesDocs Anthropic/anthropic/v1/messagesDocs Gemini/gemini/v1beta/models/{model}:generateContentDocs Choose a call format to open its request and response documentation.

MODEL IDglm-5.1Use this in every request

GOVERNANCEPolicy controlledApprovals and tool rules apply

PROVIDER AVAILABILITY2 routes

Provider	Context	Max output	Discount	Input / M	Output / M
Alibaba	200K context	64K	—	$1.40 / M	$4.40 / M
Z.AI	200K context	64K	—	$1.40 / M	$4.40 / M

Displayed pricing is per one million tokens and may vary by provider.

SUPPORTED SURFACESactive

input: textoutput: texttool usecache control

Relay governs model access with the same routing policy that Lens keeps visible and auditable.