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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 2026-09-23.

MoonshotAI: Kimi K2.6 Anthropic: Claude Sonnet 4.6
Vendormoonshotaianthropic
Quality Score100100
Benchmark Score65.369.7
Input Price$0.95/M$3.00/M
Output Price$4.00/M$15.00/M
Context Window262,1441,000,000
Max Output235,929128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index44.549.6
aider_polyglot-61.3
eqbench76.680.0

Who wins by task?

TaskMoonshotAI: Kimi K2.6Anthropic: Claude Sonnet 4.6
SQL Generation 141 154
Code Review 144 161
Code Completion 131 120
Code Refactoring 144 162
Bug Fixing 148 166
Unit Test Generation 131 144
Code Documentation 135 142
Regex Writing 126 129
CI/CD Pipelines 127 138
Frontend Component Design 130 137
Data Analysis 135 147
CSV / Spreadsheet Cleanup 134 145
ETL Scripting 136 150
JSON Extraction 131 125
Bulk Data Labeling 128 118
OCR / Document Parsing 132 140
Table Extraction from PDFs 132 140
Long-Document Summarization 146 161
Short-Form Summarization 126 118
Blog Post Writing 129 137

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

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