head-to-head

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

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
Vendormetaopenai
Quality Score100100
Benchmark Score92.492.7
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_index93.793.3
ai_index_agentic81.482.8
ai_index_coding100.0100.0

Who wins by task?

TaskMeta: Muse Spark 1.2OpenAI: GPT-5.6 Terra
Code Review 168 169
Code Completion 120 120
Bug Fixing 182 183
Code Documentation 143 143
Regex Writing 137 136
CI/CD Pipelines 145 146
Frontend Component Design 147 148
Data Analysis 173 173
CSV / Spreadsheet Cleanup 154 154
ETL Scripting 155 155
JSON Extraction 140 140
Bulk Data Labeling 126 125
Long-Document Summarization 161 161
Short-Form Summarization 124 123
Blog Post Writing 141 141

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

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