head-to-head

xAI: Grok Latest vs Anthropic: Claude Haiku Latest

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

	xAI: Grok Latest	Anthropic: Claude Haiku Latest
Vendor	~x-ai	~anthropic
Quality Score	100	100
Benchmark Score	5.8	-
Input Price	$1.60/M	$1.00/M
Output Price	$4.80/M	$5.00/M
Context Window	500,000	200,000
Max Output	450,000	64,000
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	-
Benchmark Scores
ai_index	11.4	-

Who wins by task?

Task	xAI: Grok Latest	Anthropic: Claude Haiku Latest
SQL Generation	134	129
Code Review	134	124
Code Completion	118	114
Code Refactoring	137	124
Bug Fixing	138	128
Unit Test Generation	125	120
Code Documentation	131	122
Regex Writing	119	118
CI/CD Pipelines	121	116
Frontend Component Design	123	122
Data Analysis	125	124
CSV / Spreadsheet Cleanup	133	125
ETL Scripting	129	120
JSON Extraction	122	122
Bulk Data Labeling	120	120
OCR / Document Parsing	131	127
Table Extraction from PDFs	131	127
Long-Document Summarization	139	125
Short-Form Summarization	115	114
Blog Post Writing	122	117

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