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SpaceXAI: Grok 4.6 vs Anthropic: Claude Sonnet 5

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-08-13.

SpaceXAI: Grok 4.6 Anthropic: Claude Sonnet 5
Vendorx-aianthropic
Quality Score100100
Benchmark Score99.891.6
Input Price$2.00/M$2.00/M
Output Price$6.00/M$10.00/M
Context Window500,0001,000,000
Max Output-128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index100.091.2
ai_index_agentic96.882.0
ai_index_coding100.0100.0

Who wins by task?

TaskSpaceXAI: Grok 4.6Anthropic: Claude Sonnet 5
SQL Generation 175 172
Code Review 171 168
Code Completion 120 119
Code Refactoring 167 165
Bug Fixing 187 182
Unit Test Generation 157 155
Code Documentation 144 142
Regex Writing 138 135
CI/CD Pipelines 147 145
Frontend Component Design 149 147
Data Analysis 177 172
CSV / Spreadsheet Cleanup 155 153
ETL Scripting 157 155
JSON Extraction 140 139
Bulk Data Labeling 125 124
OCR / Document Parsing 147 147
Table Extraction from PDFs 147 147
Long-Document Summarization 163 160
Short-Form Summarization 124 122
Blog Post Writing 143 140

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

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