head-to-head

SpaceXAI: Grok 4.20 vs Anthropic: Claude Sonnet 4.6

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

Who wins by task?

Task	SpaceXAI: Grok 4.20	Anthropic: Claude Sonnet 4.6
SQL Generation	142	154
Code Review	146	161
Code Completion	121	120
Code Refactoring	150	162
Bug Fixing	150	166
Unit Test Generation	133	144
Code Documentation	139	142
Regex Writing	125	129
CI/CD Pipelines	129	138
Frontend Component Design	129	137
Data Analysis	133	147
CSV / Spreadsheet Cleanup	138	145
ETL Scripting	139	150
JSON Extraction	123	125
Bulk Data Labeling	120	118
OCR / Document Parsing	134	140
Table Extraction from PDFs	134	140
Long-Document Summarization	151	161
Short-Form Summarization	118	118
Blog Post Writing	130	137

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