head-to-head

Anthropic: Claude Sonnet 5 (batch) vs MoonshotAI: Kimi K2.7 Code

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-29.

	Anthropic: Claude Sonnet 5 (batch)	MoonshotAI: Kimi K2.7 Code
Vendor	anthropic	moonshotai
Quality Score	100	100
Benchmark Score	90.4	73.4
Input Price	$1.00/M	$0.73/M
Output Price	$5.00/M	$3.50/M
Context Window	1,000,000	262,144
Max Output	128,000	262,144
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	-
Benchmark Scores
ai_index	88.0	69.2
ai_index_agentic	77.0	48.8
ai_index_coding	100.0	100.0

Who wins by task?

Task	Anthropic: Claude Sonnet 5 (batch)	MoonshotAI: Kimi K2.7 Code
SQL Generation	171	163
Code Review	167	155
Code Completion	120	129
Code Refactoring	164	151
Bug Fixing	180	165
Unit Test Generation	154	147
Code Documentation	143	135
Regex Writing	136	133
CI/CD Pipelines	144	138
Frontend Component Design	146	142
Data Analysis	171	162
CSV / Spreadsheet Cleanup	154	147
ETL Scripting	154	144
JSON Extraction	140	147
Bulk Data Labeling	126	134
OCR / Document Parsing	146	142
Table Extraction from PDFs	146	142
Long-Document Summarization	160	147
Short-Form Summarization	123	130
Blog Post Writing	140	134

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