head-to-head

OpenAI: GPT-5.6 Terra 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 Terra Z.ai: GLM 5V Turbo
Vendoropenaiz-ai
Quality Score100100
Benchmark Score71.136.7
Input Price$2.00/M$1.20/M
Output Price$12.00/M$4.00/M
Context Window1,050,000202,752
Max Output128,000131,072
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index69.438.8

Who wins by task?

TaskOpenAI: GPT-5.6 TerraZ.ai: GLM 5V Turbo
SQL Generation 140 134
Code Review 145 131
Code Completion 118 115
Code Refactoring 147 130
Bug Fixing 149 135
Unit Test Generation 132 124
Code Documentation 135 126
Regex Writing 124 122
CI/CD Pipelines 128 120
Frontend Component Design 130 126
Data Analysis 134 129
CSV / Spreadsheet Cleanup 135 127
ETL Scripting 137 125
JSON Extraction 121 123
Bulk Data Labeling 117 120
OCR / Document Parsing 134 129
Table Extraction from PDFs 134 129
Long-Document Summarization 147 131
Short-Form Summarization 116 116
Blog Post Writing 128 122

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

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