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ByteDance Seed: Seed 2.1 Turbo vs MoonshotAI: Kimi K2.7 Code (batch)

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

ByteDance Seed: Seed 2.1 Turbo MoonshotAI: Kimi K2.7 Code (batch)
Vendorbytedance-seedmoonshotai
Quality Score100100
Benchmark Score-73.5
Input Price$0.50/M$0.47/M
Output Price$2.50/M$2.00/M
Context Window262,144262,144
Max Output262,144-
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-71.0
ai_index_agentic-50.0
ai_index_coding-100.0

Who wins by task?

TaskByteDance Seed: Seed 2.1 TurboMoonshotAI: Kimi K2.7 Code (batch)
SQL Generation 130 163
Code Review 126 156
Code Completion 128 130
Code Refactoring 127 151
Bug Fixing 130 166
Unit Test Generation 121 147
Code Documentation 125 135
Regex Writing 119 133
CI/CD Pipelines 117 138
Frontend Component Design 122 143
Data Analysis 124 162
CSV / Spreadsheet Cleanup 128 147
ETL Scripting 122 144
JSON Extraction 131 148
Bulk Data Labeling 129 134
OCR / Document Parsing 128 142
Table Extraction from PDFs 128 142
Long-Document Summarization 129 147
Short-Form Summarization 123 130
Blog Post Writing 118 134

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

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