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Meta: Muse Spark 1.1 vs xAI: Grok 4.20

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-17.

Meta: Muse Spark 1.1 xAI: Grok 4.20
Vendormetax-ai
Quality Score100100
Benchmark Score-61.5
Input Price$1.25/M$1.25/M
Output Price$4.25/M$2.50/M
Context Window1,048,5762,000,000
Max Output--
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio✓-
Benchmark Scores
ai_index-61.0
eqbench-55.8

Who wins by task?

TaskMeta: Muse Spark 1.1xAI: Grok 4.20
SQL Generation 133 144
Code Review 132 150
Code Completion 118 122
Code Refactoring 136 153
Bug Fixing 136 154
Unit Test Generation 124 135
Code Documentation 130 141
Regex Writing 118 127
CI/CD Pipelines 120 131
Frontend Component Design 122 131
Data Analysis 124 136
CSV / Spreadsheet Cleanup 133 139
ETL Scripting 128 142
JSON Extraction 122 123
Bulk Data Labeling 120 120
OCR / Document Parsing 131 135
Table Extraction from PDFs 131 135
Long-Document Summarization 137 154
Short-Form Summarization 114 119
Blog Post Writing 121 132

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

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