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

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-22.

OpenAI: GPT-5.4 ByteDance Seed: Seed-2.0-Mini
Vendoropenaibytedance-seed
Quality Score100100
Benchmark Score90.4-
Input Price$2.50/M$0.10/M
Output Price$15.00/M$0.40/M
Context Window1,050,000262,144
Max Output128,000131,072
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index84.8-
ai_index_agentic67.8-
ai_index_coding100.0-
eqbench82.4-

Who wins by task?

TaskOpenAI: GPT-5.4ByteDance Seed: Seed-2.0-Mini
SQL Generation 174 131
Code Review 175 126
Code Completion 120 129
Code Refactoring 174 127
Bug Fixing 188 130
Unit Test Generation 159 121
Code Documentation 146 126
Regex Writing 136 119
CI/CD Pipelines 149 117
Frontend Component Design 149 122
Data Analysis 173 124
CSV / Spreadsheet Cleanup 157 128
ETL Scripting 161 122
JSON Extraction 137 131
Bulk Data Labeling 122 129
OCR / Document Parsing 149 128
Table Extraction from PDFs 149 128
Long-Document Summarization 168 129
Short-Form Summarization 122 123
Blog Post Writing 144 119

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

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