GLM-5.3-Flash

Zhipu AIMCP Tool CallReasoning

zhipuai/glm-5.3-flashOpen Weights

Native multimodal GLM model for efficient coding and long-horizon agent tasks

Benchmark Pricing$0.12 / 1M in$0.42 / 1M out$0.03 cache read

Context: 1,000,000 tokens•Max Output: 131,072 tokens•Released: 2026-08-26

TECHNICAL SPECIFICATIONS

Context Window1,000,0001M tokens

Max Output131,072131.1K tokens

LicenseOpen SourceSelf-hostable

Input Modalities

TextVisionPDFVideo

Function / Tool CallingSupported (MCP Ready)

Structured OutputsGuaranteed Schema

MODEL CONTEXT PROTOCOL (MCP) READINESS

✓ GLM-5.3-Flash 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 1,000,000 tokens, this model can handle extremely large MCP resource manifests, complete database schemas, and multiple active server tool definitions simultaneously without degradation.

STANDARDIZED BENCHMARKS & EVALS

Terminal-Benchpass@1

84.3

DeepSWEresolved

63.4

Agents' Last Examscore

26.3

AutomationBenchpass@1

48.8

Humanity's Last Examaccuracy

55.3

GDPval-AAElo

1773

API CALL INVOCATION EXAMPLE

// Example: Calling GLM-5.3-Flash 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-5.3-flash",
  messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});

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