head-to-head

xAI: Grok 4.5 vs Anthropic Claude Haiku Latest

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-10.

	xAI: Grok 4.5	Anthropic Claude Haiku Latest
Vendor	x-ai	~anthropic
Quality Score	100	100
Benchmark Score	91.8	-
Input Price	$2.00/M	$1.00/M
Output Price	$6.00/M	$5.00/M
Context Window	500,000	200,000
Max Output	-	64,000
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	-
Benchmark Scores
ai_index	88.8	-
ai_index_agentic	75.4	-
ai_index_coding	100.0	-

Who wins by task?

Task	xAI: Grok 4.5	Anthropic Claude Haiku Latest
SQL Generation	171	129
Code Review	167	124
Code Completion	120	114
Code Refactoring	164	124
Bug Fixing	180	128
Unit Test Generation	154	120
Code Documentation	142	122
Regex Writing	135	118
CI/CD Pipelines	144	116
Frontend Component Design	146	122
Data Analysis	170	124
CSV / Spreadsheet Cleanup	154	125
ETL Scripting	154	120
JSON Extraction	139	122
Bulk Data Labeling	125	120
OCR / Document Parsing	146	127
Table Extraction from PDFs	146	127
Long-Document Summarization	159	125
Short-Form Summarization	123	114
Blog Post Writing	140	117

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