head-to-head

DeepSeek: DeepSeek V4.1 Flash vs Nex AGI: Nex-N2.5-Pro

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

DeepSeek: DeepSeek V4.1 Flash Nex AGI: Nex-N2.5-Pro
Vendordeepseeknex-agi
Quality Score100100
Benchmark Score66.3-
Input Price$0.15/M$0.07/M
Output Price$0.60/M$0.25/M
Context Window1,048,576262,144
Max Output384,000235,929
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index65.1-

Who wins by task?

TaskDeepSeek: DeepSeek V4.1 FlashNex AGI: Nex-N2.5-Pro
SQL Generation 141 131
Code Review 144 126
Code Completion 133 129
Code Refactoring 146 127
Bug Fixing 148 130
Unit Test Generation 131 121
Code Documentation 137 126
Regex Writing 126 119
CI/CD Pipelines 127 117
Frontend Component Design 129 122
Data Analysis 133 124
CSV / Spreadsheet Cleanup 136 128
ETL Scripting 137 122
JSON Extraction 131 131
Bulk Data Labeling 129 129
OCR / Document Parsing 134 128
Table Extraction from PDFs 134 128
Long-Document Summarization 148 129
Short-Form Summarization 127 123
Blog Post Writing 129 119

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

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