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OpenAI: GPT-5.6 Sol (batch) vs SpaceXAI: Grok Build 0.1

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

OpenAI: GPT-5.6 Sol (batch) SpaceXAI: Grok Build 0.1
Vendoropenaix-ai
Quality Score100100
Benchmark Score99.3-
Input Price$2.50/M$1.00/M
Output Price$15.00/M$2.00/M
Context Window1,050,000256,000
Max Output128,000-
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index100.0-
ai_index_agentic95.3-
ai_index_coding100.0-

Who wins by task?

TaskOpenAI: GPT-5.6 Sol (batch)SpaceXAI: Grok Build 0.1
SQL Generation 174 130
Code Review 171 126
Code Completion 118 116
Code Refactoring 167 127
Bug Fixing 187 130
Unit Test Generation 157 121
Code Documentation 142 125
Regex Writing 136 119
CI/CD Pipelines 147 117
Frontend Component Design 149 122
Data Analysis 177 124
CSV / Spreadsheet Cleanup 154 127
ETL Scripting 157 122
JSON Extraction 138 123
Bulk Data Labeling 122 121
OCR / Document Parsing 147 128
Table Extraction from PDFs 147 128
Long-Document Summarization 162 129
Short-Form Summarization 122 115
Blog Post Writing 142 118

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

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