head-to-head

Anthropic: Claude Sonnet 5.5 (batch) vs Meta: Muse Spark 1.3

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-29.

Anthropic: Claude Sonnet 5.5 (batch) Meta: Muse Spark 1.3
Vendoranthropicmeta
Quality Score100100
Benchmark Score97.082.3
Input Price$1.00/M$1.25/M
Output Price$5.00/M$4.25/M
Context Window1,000,0001,048,576
Max Output128,000943,718
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index92.479.4

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Claude Sonnet 5.5 (batch) costs $2.25 and Muse Spark 1.3 costs $2.31, so Claude Sonnet 5.5 (batch) is slightly cheaper for the same work.

Both take in a similar amount of text: 1,000,000 and 1,048,576 tokens, about 1,500 and 1,573 pages.

Only Muse Spark 1.3 offers video input.

On our blended benchmark score Claude Sonnet 5.5 (batch) leads 97.0 to 82.3.

Across the 20 tasks where they differ, Claude Sonnet 5.5 (batch) scores higher on 18 (SQL Generation, Code Review, Code Completion and others), Muse Spark 1.3 on 2 (JSON Extraction, Bulk Data Labeling).

Pick Claude Sonnet 5.5 (batch) if you need lower cost, benchmark performance or the stronger all-round task scores; pick Muse Spark 1.3 if you need video input.

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?

TaskAnthropic: Claude Sonnet 5.5 (batch)Meta: Muse Spark 1.3
SQL Generation 144 143
Code Review 149 147
Code Completion 120 120
Code Refactoring 150 148
Bug Fixing 153 151
Unit Test Generation 135 133
Code Documentation 139 138
Regex Writing 128 126
CI/CD Pipelines 131 129
Frontend Component Design 133 131
Data Analysis 137 135
CSV / Spreadsheet Cleanup 137 136
ETL Scripting 140 139
JSON Extraction 122 122
Bulk Data Labeling 120 120
OCR / Document Parsing 135 135
Table Extraction from PDFs 135 135
Long-Document Summarization 152 150
Short-Form Summarization 119 118
Blog Post Writing 132 131

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

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