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ByteDance Seed: Seed 2.1 Turbo vs SpaceXAI: Grok 4.6

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

ByteDance Seed: Seed 2.1 Turbo SpaceXAI: Grok 4.6
Vendorbytedance-seedx-ai
Quality Score100100
Benchmark Score-99.8
Input Price$0.50/M$2.00/M
Output Price$2.50/M$6.00/M
Context Window262,144500,000
Max Output262,144-
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-100.0
ai_index_agentic-96.8
ai_index_coding-100.0

Who wins by task?

TaskByteDance Seed: Seed 2.1 TurboSpaceXAI: Grok 4.6
SQL Generation 130 175
Code Review 126 171
Code Completion 128 120
Code Refactoring 127 167
Bug Fixing 130 187
Unit Test Generation 121 157
Code Documentation 125 144
Regex Writing 119 138
CI/CD Pipelines 117 147
Frontend Component Design 122 149
Data Analysis 124 177
CSV / Spreadsheet Cleanup 128 155
ETL Scripting 122 157
JSON Extraction 131 140
Bulk Data Labeling 129 125
OCR / Document Parsing 128 147
Table Extraction from PDFs 128 147
Long-Document Summarization 129 163
Short-Form Summarization 123 124
Blog Post Writing 118 143

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

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