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Anthropic: Claude Sonnet 5 vs ByteDance Seed: Seed-2.0-Mini

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

Anthropic: Claude Sonnet 5 ByteDance Seed: Seed-2.0-Mini
Vendoranthropicbytedance-seed
Quality Score100100
Benchmark Score63.9-
Input Price$2.00/M$0.10/M
Output Price$10.00/M$0.40/M
Context Window1,000,000262,144
Max Output128,000131,072
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index63.0-

Who wins by task?

TaskAnthropic: Claude Sonnet 5ByteDance Seed: Seed-2.0-Mini
SQL Generation 140 131
Code Review 144 126
Code Completion 118 129
Code Refactoring 146 127
Bug Fixing 148 130
Unit Test Generation 131 121
Code Documentation 135 126
Regex Writing 123 119
CI/CD Pipelines 127 117
Frontend Component Design 129 122
Data Analysis 133 124
CSV / Spreadsheet Cleanup 135 128
ETL Scripting 136 122
JSON Extraction 121 131
Bulk Data Labeling 118 129
OCR / Document Parsing 134 128
Table Extraction from PDFs 134 128
Long-Document Summarization 146 129
Short-Form Summarization 116 123
Blog Post Writing 128 119

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

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