head-to-head

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

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.

Meta: Muse Spark 1.2 OpenAI: GPT-5.6 Terra Pro (batch)
Vendormetaopenai
Quality Score100100
Input Price$1.25/M$1.00/M
Output Price$4.25/M$6.00/M
Context Window1,048,5761,050,000
Max Output943,718128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Muse Spark 1.2 costs $2.31 and GPT-5.6 Terra Pro (batch) costs $2.50, so Muse Spark 1.2 is slightly cheaper for the same work.

Both take in a similar amount of text: 1,048,576 and 1,050,000 tokens, about 1,573 and 1,575 pages.

Only Muse Spark 1.2 offers video input.

Across the 10 tasks where they differ, Muse Spark 1.2 scores higher on 10 (SQL Generation, Code Completion, Code Documentation and others).

Muse Spark 1.2 was released in August 2026 and GPT-5.6 Terra Pro (batch) in July 2026.

Pick Muse Spark 1.2 if you need lower cost, video input or the stronger all-round task scores.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

Who wins by task?

TaskMeta: Muse Spark 1.2OpenAI: GPT-5.6 Terra Pro (batch)
SQL Generation 133 133
Code Completion 118 118
Code Documentation 130 130
Regex Writing 118 118
CSV / Spreadsheet Cleanup 133 133
JSON Extraction 122 122
Bulk Data Labeling 120 119
Long-Document Summarization 137 137
Short-Form Summarization 114 114
Blog Post Writing 121 121

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

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