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ByteDance Seed: Seed 2.1 Turbo vs Qwen: Qwen3.7 Plus

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

ByteDance Seed: Seed 2.1 Turbo Qwen: Qwen3.7 Plus
Vendorbytedance-seedqwen
Quality Score100100
Benchmark Score-63.7
Input Price$0.50/M$0.32/M
Output Price$2.50/M$1.28/M
Context Window262,1441,000,000
Max Output262,144131,072
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-65.0
ai_index_agentic-34.1
ai_index_coding-92.2

Who wins by task?

TaskByteDance Seed: Seed 2.1 TurboQwen: Qwen3.7 Plus
SQL Generation 130 162
Code Review 126 157
Code Completion 128 133
Code Refactoring 127 157
Bug Fixing 130 166
Unit Test Generation 121 147
Code Documentation 125 140
Regex Writing 119 131
CI/CD Pipelines 117 138
Frontend Component Design 122 140
Data Analysis 124 156
CSV / Spreadsheet Cleanup 128 151
ETL Scripting 122 147
JSON Extraction 131 146
Bulk Data Labeling 129 134
OCR / Document Parsing 128 144
Table Extraction from PDFs 128 144
Long-Document Summarization 129 154
Short-Form Summarization 123 129
Blog Post Writing 118 135

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

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