head-to-head

Z.ai: GLM 5V Turbo vs Google: Gemini 3.1 Pro Preview Custom Tools

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

	Z.ai: GLM 5V Turbo	Google: Gemini 3.1 Pro Preview Custom Tools
Vendor	z-ai	google
Quality Score	100	100
Benchmark Score	36.7	-
Input Price	$1.20/M	$2.00/M
Output Price	$4.00/M	$12.00/M
Context Window	202,752	1,048,576
Max Output	131,072	65,536
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	✓
Benchmark Scores
ai_index	38.8	-

Who wins by task?

Task	Z.ai: GLM 5V Turbo	Google: Gemini 3.1 Pro Preview Custom Tools
SQL Generation	134	132
Code Review	131	132
Code Completion	115	117
Code Refactoring	130	136
Bug Fixing	135	136
Unit Test Generation	124	124
Code Documentation	126	129
Regex Writing	122	117
CI/CD Pipelines	120	120
Frontend Component Design	126	122
Data Analysis	129	124
CSV / Spreadsheet Cleanup	127	132
ETL Scripting	125	128
JSON Extraction	123	121
Bulk Data Labeling	120	117
OCR / Document Parsing	129	131
Table Extraction from PDFs	129	131
Long-Document Summarization	131	136
Short-Form Summarization	116	113
Blog Post Writing	122	120

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