head-to-head

OpenAI: GPT-5.4 Mini vs ByteDance Seed: Seed-2.0-Mini

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

OpenAI: GPT-5.4 Mini ByteDance Seed: Seed-2.0-Mini
Vendoropenaibytedance-seed
Quality Score100100
Benchmark Score37.7-
Input Price$0.75/M$0.10/M
Output Price$4.50/M$0.40/M
Context Window400,000262,144
Max Output128,000131,072
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index39.7-

Who wins by task?

TaskOpenAI: GPT-5.4 MiniByteDance Seed: Seed-2.0-Mini
SQL Generation 138 131
Code Review 139 126
Code Completion 131 129
Code Refactoring 142 127
Bug Fixing 143 130
Unit Test Generation 128 121
Code Documentation 134 126
Regex Writing 122 119
CI/CD Pipelines 124 117
Frontend Component Design 126 122
Data Analysis 130 124
CSV / Spreadsheet Cleanup 135 128
ETL Scripting 133 122
JSON Extraction 130 131
Bulk Data Labeling 128 129
OCR / Document Parsing 133 128
Table Extraction from PDFs 133 128
Long-Document Summarization 143 129
Short-Form Summarization 124 123
Blog Post Writing 126 119

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

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