GLM-5.3

Name: GLM-5.3
Author: Zhipu AI

Zhipu AI

GLM-5.3 is Zhipu AI's 753B-parameter open-weight MoE model released in August 2026, with a 1M token context window. It is tuned for agentic workflows, showing strong results on Terminal-Bench 2.1, CyberGym and FrontierSWE. It is served by Novita and Z.ai.

Key Specifications

Parameters

753.0B

Context

1.0M

Release Date

August 14, 2026

Average Score

83.3%

API Documentation Research Paper Results Blog

Timeline

Key dates in the model's history

Announcement

August 14, 2026

Last Update

August 27, 2026

Technical Specifications

Parameters

753.0B

Training Tokens

Knowledge Cutoff

Family

Capabilities

MultimodalZeroEval

Pricing & Availability

Input (per 1M tokens)

$1.40

Output (per 1M tokens)

$4.40

Max Input Tokens

1.0M

Max Output Tokens

131.1K

Supported Features

Function CallingStructured OutputCode ExecutionWeb SearchBatch InferenceFine-tuning

Benchmark Results

Model performance metrics across various tests and benchmarks

Other Tests

Specialized benchmarks

Terminal-Bench 2.1

Claude Code 2.1.207; max reasoning effort • Self-reported

88.0%

CyberGym

Claude Code 2.1.207; max reasoning effort; single-run Pass@1 over 1,507 tasks • Self-reported

84.0%

FrontierSWE

Claude Code 2.1.207; max reasoning effort • Self-reported

78.0%

License & Metadata

License

mit

Announcement Date

August 14, 2026

Last Updated

August 27, 2026

Compare GLM-5.3

All comparisons

vs GLM-5.1 vs GLM-5.2 vs Muse Spark 1.1 vs Gemini 3.7 Flash vs DeepSeek-V4-Pro-0813 vs Gemini 3.6 Flash vs Nemotron 3.5 Lightning (30B A3B)vs DeepSeek-V4-Flash-0423

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