head-to-head

Meta: Muse Spark 1.3 Contributor vs SpaceXAI: Grok 4.6

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-10-19.

Meta: Muse Spark 1.3 Contributor SpaceXAI: Grok 4.6
Vendormetax-ai
Quality Score100100
Input Price$0.10/M$2.00/M
Output Price$0.20/M$6.00/M
Context Window1,048,576500,000
Max Output943,718450,000
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 1.3 Contributor costs $0.15 and Grok 4.6 costs $3.50, so Muse Spark 1.3 Contributor is about 23.3 times cheaper for the same work.

Muse Spark 1.3 Contributor reads up to 1,048,576 tokens at once, roughly 1,573 pages of text, against about 750 pages for Grok 4.6.

Only Muse Spark 1.3 Contributor offers video input.

Across the 10 tasks where they differ, Muse Spark 1.3 Contributor scores higher on 10 (SQL Generation, Code Completion, Code Documentation and others).

Muse Spark 1.3 Contributor was released in September 2026 and Grok 4.6 in August 2026.

Pick Muse Spark 1.3 Contributor if you need lower cost, long documents, 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 1.3 ContributorSpaceXAI: Grok 4.6
SQL Generation 134 133
Code Completion 131 118
Code Documentation 131 130
Regex Writing 119 118
CSV / Spreadsheet Cleanup 134 133
JSON Extraction 131 122
Bulk Data Labeling 129 119
Long-Document Summarization 138 137
Short-Form Summarization 123 114
Blog Post Writing 122 121

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

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