head-to-head

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

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-04.

	DeepSeek: DeepSeek V4 Flash Vision Exp	MoonshotAI: Kimi K3 (batch)
Vendor	deepseek	moonshotai
Quality Score	100	100
Benchmark Score	90.0	96.2
Input Price	$0.22/M	$3.00/M
Output Price	$0.66/M	$15.00/M
Context Window	1,048,576	1,048,576
Max Output	384,000	943,718
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	-
Benchmark Scores
ai_index	84.9	98.5
ai_index_agentic	87.2	89.5
ai_index_coding	100.0	100.0

Who wins by task?

Task	DeepSeek: DeepSeek V4 Flash Vision Exp	MoonshotAI: Kimi K3 (batch)
SQL Generation	173	173
Code Review	167	170
Code Completion	133	118
Code Refactoring	164	167
Bug Fixing	182	185
Unit Test Generation	155	157
Code Documentation	144	141
Regex Writing	137	135
CI/CD Pipelines	145	147
Frontend Component Design	147	149
Data Analysis	172	175
CSV / Spreadsheet Cleanup	154	153
ETL Scripting	155	157
JSON Extraction	149	138
Bulk Data Labeling	135	122
OCR / Document Parsing	147	147
Table Extraction from PDFs	147	147
Long-Document Summarization	160	161
Short-Form Summarization	132	122
Blog Post Writing	141	141

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