head-to-head

SpaceXAI: Grok 4.3 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 4.3	Anthropic: Claude Sonnet 4.6
SQL Generation	138	154
Code Review	139	161
Code Completion	120	120
Code Refactoring	142	162
Bug Fixing	143	166
Unit Test Generation	128	144
Code Documentation	134	142
Regex Writing	123	129
CI/CD Pipelines	124	138
Frontend Component Design	126	137
Data Analysis	130	147
CSV / Spreadsheet Cleanup	135	145
ETL Scripting	133	150
JSON Extraction	123	125
Bulk Data Labeling	120	118
OCR / Document Parsing	133	140
Table Extraction from PDFs	133	140
Long-Document Summarization	144	161
Short-Form Summarization	117	118
Blog Post Writing	126	137

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