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ByteDance Seed: Seed 2.1 Turbo vs OpenAI: GPT-5.6 Sol Pro (batch)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-08-13.

ByteDance Seed: Seed 2.1 Turbo OpenAI: GPT-5.6 Sol Pro (batch)
Vendorbytedance-seedopenai
Quality Score100100
Input Price$0.50/M$2.50/M
Output Price$2.50/M$15.00/M
Context Window262,1441,050,000
Max Output262,144128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--

Who wins by task?

TaskByteDance Seed: Seed 2.1 TurboOpenAI: GPT-5.6 Sol Pro (batch)
SQL Generation 130 132
Code Review 126 132
Code Completion 128 116
Code Refactoring 127 136
Bug Fixing 130 136
Unit Test Generation 121 124
Code Documentation 125 128
Regex Writing 119 116
CI/CD Pipelines 117 120
CSV / Spreadsheet Cleanup 128 132
ETL Scripting 122 128
JSON Extraction 131 120
Bulk Data Labeling 129 116
OCR / Document Parsing 128 131
Table Extraction from PDFs 128 131
Long-Document Summarization 129 136
Short-Form Summarization 123 112
Blog Post Writing 118 120

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

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