head-to-head

DeepSeek: DeepSeek V4 Flash Vision Exp (batch) vs MoonshotAI: Kimi K3 (batch)

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

	DeepSeek: DeepSeek V4 Flash Vision Exp (batch)	MoonshotAI: Kimi K3 (batch)
Vendor	deepseek	moonshotai
Quality Score	100	100
Benchmark Score	80.1	88.5
Input Price	$0.11/M	$3.00/M
Output Price	$0.33/M	$15.00/M
Context Window	1,048,576	1,048,576
Max Output	943,718	943,718
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	-
Benchmark Scores
ai_index	57.8	72.2
ai_index_agentic	79.4	83.6
ai_index_coding	100.0	100.0

Who wins by task?

Task	DeepSeek: DeepSeek V4 Flash Vision Exp (batch)	MoonshotAI: Kimi K3 (batch)
SQL Generation	169	169
Code Review	161	165
Code Completion	133	117
Code Refactoring	159	162
Bug Fixing	175	179
Unit Test Generation	151	153
Code Documentation	141	139
Regex Writing	134	132
CI/CD Pipelines	141	143
Frontend Component Design	143	145
Data Analysis	167	170
CSV / Spreadsheet Cleanup	153	152
ETL Scripting	150	153
JSON Extraction	149	137
Bulk Data Labeling	135	122
OCR / Document Parsing	145	146
Table Extraction from PDFs	145	146
Long-Document Summarization	156	156
Short-Form Summarization	131	120
Blog Post Writing	137	137

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