head-to-head

Anthropic Claude Haiku Latest vs xAI: Grok 4.20

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-06-22.

	Anthropic Claude Haiku Latest	xAI: Grok 4.20
Vendor	~anthropic	x-ai
Quality Score	100	100
Benchmark Score	-	61.5
Input Price	$1.00/M	$1.25/M
Output Price	$5.00/M	$2.50/M
Context Window	200,000	2,000,000
Max Output	64,000	-
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	-
Benchmark Scores
ai_index	-	61.0
eqbench	-	55.8

Who wins by task?

Task	Anthropic Claude Haiku Latest	xAI: Grok 4.20
SQL Generation	129	144
Code Review	124	150
Code Completion	114	122
Code Refactoring	124	153
Bug Fixing	128	154
Unit Test Generation	120	135
Code Documentation	122	141
Regex Writing	118	127
CI/CD Pipelines	116	131
Frontend Component Design	122	131
Data Analysis	124	136
CSV / Spreadsheet Cleanup	125	139
ETL Scripting	120	142
JSON Extraction	122	123
Bulk Data Labeling	120	120
OCR / Document Parsing	127	135
Table Extraction from PDFs	127	135
Long-Document Summarization	125	154
Short-Form Summarization	114	119
Blog Post Writing	117	132

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