head-to-head

MoonshotAI: Kimi K2.6 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.

	MoonshotAI: Kimi K2.6	Google: Gemini 3.1 Pro Preview Custom Tools
Vendor	moonshotai	google
Quality Score	100	100
Benchmark Score	65.3	-
Input Price	$0.95/M	$2.00/M
Output Price	$4.00/M	$12.00/M
Context Window	262,144	1,048,576
Max Output	235,929	65,536
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	✓
Benchmark Scores
ai_index	44.5	-
eqbench	76.6	-

Who wins by task?

Task	MoonshotAI: Kimi K2.6	Google: Gemini 3.1 Pro Preview Custom Tools
SQL Generation	141	132
Code Review	144	132
Code Completion	131	117
Code Refactoring	144	136
Bug Fixing	148	136
Unit Test Generation	131	124
Code Documentation	135	129
Regex Writing	126	117
CI/CD Pipelines	127	120
Frontend Component Design	130	122
Data Analysis	135	124
CSV / Spreadsheet Cleanup	134	132
ETL Scripting	136	128
JSON Extraction	131	121
Bulk Data Labeling	128	117
OCR / Document Parsing	132	131
Table Extraction from PDFs	132	131
Long-Document Summarization	146	136
Short-Form Summarization	126	113
Blog Post Writing	129	120

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