head-to-head

DeepSeek: DeepSeek V4.1 Flash vs Meta: Muse Spark 1.3 Contributor

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

DeepSeek: DeepSeek V4.1 Flash Meta: Muse Spark 1.3 Contributor
Vendordeepseekmeta
Quality Score100100
Benchmark Score66.3-
Input Price$0.15/M$0.10/M
Output Price$0.60/M$0.20/M
Context Window1,048,5761,048,576
Max Output384,000943,718
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio-
Benchmark Scores
ai_index65.1-

Who wins by task?

TaskDeepSeek: DeepSeek V4.1 FlashMeta: Muse Spark 1.3 Contributor
SQL Generation 141 134
Code Review 144 132
Code Completion 133 131
Code Refactoring 146 136
Bug Fixing 148 136
Unit Test Generation 131 124
Code Documentation 137 131
Regex Writing 126 119
CI/CD Pipelines 127 120
Frontend Component Design 129 122
Data Analysis 133 124
CSV / Spreadsheet Cleanup 136 134
ETL Scripting 137 128
JSON Extraction 131 131
Bulk Data Labeling 129 129
OCR / Document Parsing 134 131
Table Extraction from PDFs 134 131
Long-Document Summarization 148 138
Short-Form Summarization 127 123
Blog Post Writing 129 122

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

Related comparisons

Cohere: Command A+ vs DeepSeek: DeepSeek V4.1 Flash Cohere: Command A+ vs Meta: Muse Spark 1.3 Contributor OpenAI: GPT-6 Luna Pro vs DeepSeek: DeepSeek V4.1 Flash OpenAI: GPT-6 Luna Pro vs Meta: Muse Spark 1.3 Contributor OpenAI: GPT-6 Luna Pro (batch) vs DeepSeek: DeepSeek V4.1 Flash OpenAI: GPT-6 Luna Pro (batch) vs Meta: Muse Spark 1.3 Contributor OpenAI: GPT-6 Luna vs DeepSeek: DeepSeek V4.1 Flash OpenAI: GPT-6 Luna vs Meta: Muse Spark 1.3 Contributor

The Model Movers Report

One email every Friday, built from this site's own rankings: the current top five by benchmark score, every model released in the last seven days, and one note worked out from that week's numbers. You can unsubscribe from any issue with one click.