head-to-head

OpenAI: GPT-5.6 Luna vs Z.ai: GLM 5V Turbo

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

OpenAI: GPT-5.6 Luna Z.ai: GLM 5V Turbo
Vendoropenaiz-ai
Quality Score100100
Benchmark Score62.336.7
Input Price$0.20/M$1.20/M
Output Price$1.20/M$4.00/M
Context Window1,050,000202,752
Max Output128,000131,072
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index61.638.8

Who wins by task?

TaskOpenAI: GPT-5.6 LunaZ.ai: GLM 5V Turbo
SQL Generation 141 134
Code Review 143 131
Code Completion 133 115
Code Refactoring 145 130
Bug Fixing 147 135
Unit Test Generation 131 124
Code Documentation 137 126
Regex Writing 125 122
CI/CD Pipelines 127 120
Frontend Component Design 129 126
Data Analysis 133 129
CSV / Spreadsheet Cleanup 136 127
ETL Scripting 136 125
JSON Extraction 131 123
Bulk Data Labeling 129 120
OCR / Document Parsing 134 129
Table Extraction from PDFs 134 129
Long-Document Summarization 147 131
Short-Form Summarization 126 116
Blog Post Writing 129 122

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

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