head-to-head

DeepSeek: DeepSeek V4.1 Flash vs DeepSeek: DeepSeek V4 Flash Vision Exp

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

DeepSeek: DeepSeek V4.1 Flash DeepSeek: DeepSeek V4 Flash Vision Exp
Vendordeepseekdeepseek
Quality Score100100
Benchmark Score66.357.7
Input Price$0.15/M$0.22/M
Output Price$0.60/M$0.66/M
Context Window1,048,5761,048,576
Max Output384,000943,718
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index65.157.5

Who wins by task?

TaskDeepSeek: DeepSeek V4.1 FlashDeepSeek: DeepSeek V4 Flash Vision Exp
SQL Generation 141 140
Code Review 144 142
Code Completion 133 133
Code Refactoring 146 145
Bug Fixing 148 146
Unit Test Generation 131 130
Code Documentation 137 137
Regex Writing 126 125
CI/CD Pipelines 127 126
Frontend Component Design 129 128
Data Analysis 133 132
CSV / Spreadsheet Cleanup 136 136
ETL Scripting 137 136
Bulk Data Labeling 129 129
OCR / Document Parsing 134 133
Table Extraction from PDFs 134 133
Long-Document Summarization 148 147
Short-Form Summarization 127 126
Blog Post Writing 129 128

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

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