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Meta: Muse Spark 1.2 vs StepFun: Step 3.7 Flash

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-08-06.

Meta: Muse Spark 1.2 StepFun: Step 3.7 Flash
Vendormetastepfun
Quality Score100100
Benchmark Score90.950.2
Input Price$1.25/M$0.20/M
Output Price$4.25/M$1.15/M
Context Window1,048,576262,144
Max Output-256,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio✓-
Benchmark Scores
ai_index89.249.9
ai_index_agentic77.235.5
ai_index_coding100.065.3

Who wins by task?

TaskMeta: Muse Spark 1.2StepFun: Step 3.7 Flash
SQL Generation 172 153
Code Review 167 146
Code Completion 120 130
Code Refactoring 164 144
Bug Fixing 181 155
Unit Test Generation 154 139
Code Documentation 143 133
Regex Writing 136 129
CI/CD Pipelines 145 131
Frontend Component Design 147 136
Data Analysis 171 150
CSV / Spreadsheet Cleanup 154 141
ETL Scripting 154 137
JSON Extraction 140 142
Bulk Data Labeling 126 133
OCR / Document Parsing 147 138
Table Extraction from PDFs 147 138
Long-Document Summarization 160 142
Short-Form Summarization 123 128
Blog Post Writing 140 129

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

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