head-to-head

OpenAI: GPT Terra Latest vs Meta: Muse Spark 1.1

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

OpenAI: GPT Terra Latest Meta: Muse Spark 1.1
Vendor~openaimeta
Quality Score100100
Input Price$1.00/M$1.25/M
Output Price$5.00/M$4.25/M
Context Window1,050,0001,048,576
Max Output128,000943,718
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, GPT Terra Latest costs $2.25 and Muse Spark 1.1 costs $2.31, so GPT Terra Latest is slightly cheaper for the same work.

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

Only Muse Spark 1.1 offers video input.

Across the 7 tasks where they differ, Muse Spark 1.1 on 7 (Code Completion, Code Documentation, Regex Writing and others).

GPT Terra Latest was released in September 2026 and Muse Spark 1.1 in July 2026.

Pick GPT Terra Latest if you need lower cost; pick Muse Spark 1.1 if you need 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?

TaskOpenAI: GPT Terra LatestMeta: Muse Spark 1.1
Code Completion 118 118
Code Documentation 130 130
Regex Writing 118 118
JSON Extraction 122 122
Bulk Data Labeling 120 120
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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