head-to-head

OpenAI: GPT-6 Sol vs SpaceXAI: Grok 4.7

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-10-04.

OpenAI: GPT-6 Sol SpaceXAI: Grok 4.7
Vendoropenaix-ai
Quality Score100100
Benchmark Score81.479.2
Input Price$2.00/M$2.00/M
Output Price$10.00/M$6.00/M
Context Window1,050,000500,000
Max Output128,000450,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index78.676.6

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Grok 4.7 costs $3.50 and GPT-6 Sol costs $4.50, so Grok 4.7 is about 1.3 times cheaper for the same work.

GPT-6 Sol reads up to 1,050,000 tokens at once, roughly 1,575 pages of text, against about 750 pages for Grok 4.7.

On our blended benchmark score GPT-6 Sol leads 81.4 to 79.2.

Across the 20 tasks where they differ, GPT-6 Sol scores higher on 10 (Code Review, Code Refactoring, Bug Fixing and others), Grok 4.7 on 10 (SQL Generation, Code Completion, Code Documentation and others).

Pick GPT-6 Sol if you need long documents or benchmark performance; pick Grok 4.7 if you need lower cost.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

Who wins by task?

TaskOpenAI: GPT-6 SolSpaceXAI: Grok 4.7
SQL Generation 142 142
Code Review 146 146
Code Completion 119 119
Code Refactoring 148 148
Bug Fixing 150 150
Unit Test Generation 133 133
Code Documentation 136 137
Regex Writing 125 126
CI/CD Pipelines 129 129
Frontend Component Design 131 131
Data Analysis 135 135
CSV / Spreadsheet Cleanup 135 136
ETL Scripting 139 138
JSON Extraction 121 122
Bulk Data Labeling 118 119
OCR / Document Parsing 134 134
Table Extraction from PDFs 134 134
Long-Document Summarization 149 149
Short-Form Summarization 117 118
Blog Post Writing 130 130

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

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