head-to-head

xAI: Grok Latest vs Anthropic: Claude Sonnet 5 (batch)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-08-13.

	xAI: Grok Latest	Anthropic: Claude Sonnet 5 (batch)
Vendor	~x-ai	anthropic
Quality Score	100	100
Benchmark Score	10.6	91.6
Input Price	$2.00/M	$1.00/M
Output Price	$6.00/M	$5.00/M
Context Window	500,000	1,000,000
Max Output	-	128,000
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	-
Benchmark Scores
ai_index	12.0	91.2
ai_index_agentic	-	82.0
ai_index_coding	-	100.0

Who wins by task?

Task	xAI: Grok Latest	Anthropic: Claude Sonnet 5 (batch)
SQL Generation	134	172
Code Review	134	168
Code Completion	118	120
Code Refactoring	137	165
Bug Fixing	138	182
Unit Test Generation	125	155
Code Documentation	131	143
Regex Writing	119	136
CI/CD Pipelines	121	145
Frontend Component Design	123	147
Data Analysis	125	172
CSV / Spreadsheet Cleanup	133	154
ETL Scripting	129	155
JSON Extraction	122	140
Bulk Data Labeling	119	126
OCR / Document Parsing	131	147
Table Extraction from PDFs	131	147
Long-Document Summarization	139	160
Short-Form Summarization	115	123
Blog Post Writing	122	141

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