---
title: "GLM 5.1"
route_path: "/model/glm-5.1"
canonical_url: "https://www.pipellm.ai/model/glm-5.1"
markdown_path: "/llms/models/glm-5.1.md"
markdown_url: "https://www.pipellm.ai/llms/models/glm-5.1.md"
content_type: "model-detail-page"
description: "Machine-readable detail page for GLM 5.1."
generated_at: "2026-05-29T04:11:23.834Z"
---
Canonical page: https://www.pipellm.ai/model/glm-5.1
Markdown mirror: https://www.pipellm.ai/llms/models/glm-5.1.md
Content type: model-detail-page
Generated at: 2026-05-29T04:11:23.834Z
# GLM 5.1
## Query Intents
- Understand pricing, provider availability, context window, and capabilities for GLM 5.1.
- Compare GLM 5.1 against other models available through PipeLLM.
- Find the canonical model identifier to use in SDK or API requests.
## Overview
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.
## Model Metadata
- Display name: GLM 5.1
- Model ID: glm-5.1
- Provider family: Zai
- Release date: 2026-04-07T16:07:05.000Z
- Context window: 200K
- Max output: 64K
- Input modalities: text
- Output modalities: text
- Tool use support: Yes
- Computer use support: No
- Cache control support: Yes
## Official Pricing (per 1M tokens)
| Metric | <=200K Context | >200K Context |
| --- | --- | --- |
| Input Price | $1.4 | — |
| Output Price | $4.4 | — |
| Cache Read | $0.182 | — |
| Image Input | $0 | — |
| Image Output | $0 | — |

## Provider Availability
| Provider | Region | Context Window | Max Output | Input Price | Output Price | Cache Read | Cache Write |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Z.AI | — | 200K | 64K | $1.4 | $4.4 | $0.182 | — |