GLM-5.1

Zhipu AIMCP Tool CallReasoning

zhipuai/glm-5.1Open Weights

Strong GLM coding model for agentic engineering, terminals, and repository generation

Benchmark Pricing$0.90 / 1M in$3.59 / 1M out$0.19 cache read

Context: 200,000 tokens•Max Output: 131,072 tokens•Released: 2026-04-07

TECHNICAL SPECIFICATIONS

Context Window200,000200K tokens

Max Output131,072131.1K tokens

LicenseOpen SourceSelf-hostable

Input Modalities

Text

Function / Tool CallingSupported (MCP Ready)

Structured OutputsGuaranteed Schema

MODEL CONTEXT PROTOCOL (MCP) READINESS

✓ GLM-5.1 natively supports OpenAI / Anthropic format tool calling and is fully compatible with MCP servers and agent loops.

MCP Context Window Recommendations

With a context capacity of 200,000 tokens, this model can handle moderately large MCP tool definitions and multi-turn conversation logs comfortably.

STANDARDIZED BENCHMARKS & EVALS

Artificial Analysis Coding Agent Indexaverage pass@1

52.7

SWE-Atlas Codebase QnApass@1

73.2

SWE-Bench Propass@1

19.8

Terminal-Benchpass@1

65.1

API CALL INVOCATION EXAMPLE

// Example: Calling GLM-5.1 via OpenAI SDK
import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.ZHIPUAI_API_KEY,
});

const response = await client.chat.completions.create({
  model: "zhipuai/glm-5.1",
  messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});

console.log(response.choices[0].message.content);