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Z.ai: GLM 5.3 Flash (batch) vs Qwen: Qwen3.8 Max

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-04.

Z.ai: GLM 5.3 Flash (batch) Qwen: Qwen3.8 Max
Vendorz-aiqwen
Quality Score100100
Benchmark Score96.797.2
Input Price$0.15/M$2.00/M
Output Price$0.50/M$6.00/M
Context Window1,048,5751,000,000
Max Output943,717131,072
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index94.895.8
ai_index_agentic96.096.4
ai_index_coding100.0100.0

Who wins by task?

TaskZ.ai: GLM 5.3 Flash (batch)Qwen: Qwen3.8 Max
SQL Generation 175 175
Code Review 170 170
Code Completion 133 120
Code Refactoring 166 167
Bug Fixing 186 186
Unit Test Generation 157 157
Code Documentation 145 143
Regex Writing 139 137
CI/CD Pipelines 147 147
Frontend Component Design 149 149
Data Analysis 176 176
CSV / Spreadsheet Cleanup 155 154
ETL Scripting 157 157
JSON Extraction 149 140
Bulk Data Labeling 135 125
Long-Document Summarization 162 162
Short-Form Summarization 133 124
Blog Post Writing 143 142

Scores reflect capability match + benchmark data + pricing for each task. Methodology →

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