head-to-head

MoonshotAI: Kimi Latest 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 Latest Google: Gemini 3.1 Pro Preview Custom Tools
Vendor~moonshotaigoogle
Quality Score100100
Input Price$0.99/M$2.00/M
Output Price$12.75/M$12.00/M
Context Window1,048,5761,048,576
Max Output943,71865,536
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio-

Who wins by task?

TaskMoonshotAI: Kimi LatestGoogle: Gemini 3.1 Pro Preview Custom Tools
Code Completion 129 117
Code Documentation 129 129
Regex Writing 117 117
JSON Extraction 129 121
Bulk Data Labeling 125 117
Short-Form Summarization 121 113

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

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