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Meta: Muse Spark 1.2 vs OpenAI: GPT-5.6 Terra Pro

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-08-07.

Meta: Muse Spark 1.2 OpenAI: GPT-5.6 Terra Pro
Vendormetaopenai
Quality Score100100
Benchmark Score92.4-
Input Price$1.25/M$1.00/M
Output Price$4.25/M$6.00/M
Context Window1,048,5761,050,000
Max Output-128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio✓-
Benchmark Scores
ai_index93.7-
ai_index_agentic81.4-
ai_index_coding100.0-

Who wins by task?

TaskMeta: Muse Spark 1.2OpenAI: GPT-5.6 Terra Pro
SQL Generation 173 133
Code Review 168 132
Code Completion 120 118
Code Refactoring 165 136
Bug Fixing 182 136
Unit Test Generation 155 124
Code Documentation 143 130
Regex Writing 137 118
CI/CD Pipelines 145 120
Frontend Component Design 147 122
Data Analysis 173 124
CSV / Spreadsheet Cleanup 154 133
ETL Scripting 155 128
JSON Extraction 140 122
Bulk Data Labeling 126 119
OCR / Document Parsing 147 131
Table Extraction from PDFs 147 131
Long-Document Summarization 161 137
Short-Form Summarization 124 114
Blog Post Writing 141 121

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

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