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Z.ai: GLM 5.3 Flash Coding Benchmark

GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...

Code Mode#7Recommended
Context1,048,576tokens
Max Output131,072tokens
Inputmodalities
Price$0.15/1M input
Ranks from Kilo Code LeaderboardPricing via OpenRouter

Try Z.ai: GLM 5.3 Flash in Kilo Code

Experience this model with the most popular open source coding agent. Free to start, pay only for AI usage. Use in popular IDEs like VS Code, JetBrains, command line, or cloud agents.

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Real-World Usage

Real-world usage statistics from the Kilo Code community

Weekly Token Usage

Mode Rankings (Last Week)

Where this model ranks for each built-in mode

Code

Write, modify, and refactor code

#7

Ask

Get answers and explanations

#39

Debug

Diagnose and fix software issues

#15

Orchestrator

Coordinate tasks across multiple modes

#8

Real-world metrics from the Kilo Code Leaderboard

Pricing

Cost per 1 million tokens

Input Tokens
$0.15
per 1M tokens
Output Tokens
$0.50
per 1M tokens

Example Cost

Analyzing a 10,000 line codebase (≈40k input tokens, 10k output tokens) costs approximately $0.0110

Coding Capabilities

Features and parameters relevant to coding tasks

Coding Features

Function Calling
Can call external functions/APIs
Tool Choice
Control over function selection
Structured Outputs
JSON schema validation
Reasoning Tokens
Extended thinking for complex problems

Pricing details from OpenRouter

Technical Details

Architecture and implementation specifications

Specifications
Model ID
z-ai/glm-5.3-flash
Created
August 26, 2026
Tokenizer
Other
Input Modalities
TextImageVideo
Context Window
1,048,576 tokens
Max Completion Tokens
131,072 tokens
Input Price
$0.15 per 1M tokens
Output Price
$0.50 per 1M tokens
Cache Read Price
$0.03 per 1M tokens
Content Moderation
Disabled

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