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ByteDance Seed: Seed 2.1 Turbo vs Meta: Muse Spark 1.1

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

ByteDance Seed: Seed 2.1 Turbo Meta: Muse Spark 1.1
Vendorbytedance-seedmeta
Quality Score100100
Benchmark Score-85.2
Input Price$0.50/M$1.25/M
Output Price$2.50/M$4.25/M
Context Window262,1441,048,576
Max Output262,144-
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio-✓
Benchmark Scores
ai_index-87.8
ai_index_agentic-65.6
ai_index_coding-100.0

Who wins by task?

TaskByteDance Seed: Seed 2.1 TurboMeta: Muse Spark 1.1
SQL Generation 130 170
Code Review 126 166
Code Completion 128 120
Code Refactoring 127 163
Bug Fixing 130 178
Unit Test Generation 121 153
Code Documentation 125 142
Regex Writing 119 135
CI/CD Pipelines 117 144
Frontend Component Design 122 146
Data Analysis 124 168
CSV / Spreadsheet Cleanup 128 153
ETL Scripting 122 153
JSON Extraction 131 139
Bulk Data Labeling 129 126
OCR / Document Parsing 128 146
Table Extraction from PDFs 128 146
Long-Document Summarization 129 159
Short-Form Summarization 123 123
Blog Post Writing 118 139

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

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