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MoonshotAI: Kimi K2.6 vs Anthropic: Claude Sonnet 4.6

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-05-13.

MoonshotAI: Kimi K2.6 Anthropic: Claude Sonnet 4.6
Vendormoonshotaianthropic
Quality Score100100
Benchmark Score-80.0
Input Price$0.74/M$3.00/M
Output Price$3.50/M$15.00/M
Context Window262,1421,000,000
Max Output262,142128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-85.3
ai_index_agentic-100.0
ai_index_coding-84.1
aider_polyglot-61.3

Who wins by task?

TaskMoonshotAI: Kimi K2.6Anthropic: Claude Sonnet 4.6
SQL Generation 130 181
Code Review 126 177
Code Completion 128 118
Code Refactoring 127 172
Bug Fixing 130 194
Unit Test Generation 121 163
Code Documentation 125 144
Regex Writing 119 139
CI/CD Pipelines 117 152
Frontend Component Design 122 153
Data Analysis 124 184
CSV / Spreadsheet Cleanup 128 158
ETL Scripting 122 162
JSON Extraction 131 141
Bulk Data Labeling 128 123
OCR / Document Parsing 128 150
Table Extraction from PDFs 128 150
Long-Document Summarization 129 166
Short-Form Summarization 123 123
Blog Post Writing 118 145

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

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