head-to-head

xAI: Grok 4.5 vs xAI: Grok Build 0.1

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-07-10.

xAI: Grok 4.5 xAI: Grok Build 0.1
Vendorx-aix-ai
Quality Score100100
Benchmark Score91.8-
Input Price$2.00/M$1.00/M
Output Price$6.00/M$2.00/M
Context Window500,000256,000
Max Output--
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--
Benchmark Scores
ai_index88.8-
ai_index_agentic75.4-
ai_index_coding100.0-

Who wins by task?

TaskxAI: Grok 4.5xAI: Grok Build 0.1
SQL Generation 171 130
Code Review 167 126
Code Completion 120 116
Code Refactoring 164 127
Bug Fixing 180 130
Unit Test Generation 154 121
Code Documentation 142 125
Regex Writing 135 119
CI/CD Pipelines 144 117
Frontend Component Design 146 122
Data Analysis 170 124
CSV / Spreadsheet Cleanup 154 127
ETL Scripting 154 122
JSON Extraction 139 123
Bulk Data Labeling 125 121
OCR / Document Parsing 146 128
Table Extraction from PDFs 146 128
Long-Document Summarization 159 129
Short-Form Summarization 123 115
Blog Post Writing 140 118

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

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