head-to-head

OpenAI: GPT Sol Latest vs SpaceXAI: Grok 4.6

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.

OpenAI: GPT Sol Latest SpaceXAI: Grok 4.6
Vendor~openaix-ai
Quality Score100100
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--

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Grok 4.6 costs $3.50 and GPT Sol Latest costs $4.50, so Grok 4.6 is about 1.3 times cheaper for the same work.

GPT Sol Latest reads up to 1,050,000 tokens at once, roughly 1,575 pages of text, against about 750 pages for Grok 4.6.

Across the 10 tasks where they differ, Grok 4.6 on 10 (SQL Generation, Code Completion, Code Documentation and others).

GPT Sol Latest was released in September 2026 and Grok 4.6 in August 2026.

Pick GPT Sol Latest if you need long documents; pick Grok 4.6 if you need lower cost or the stronger all-round task scores.

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 Sol LatestSpaceXAI: Grok 4.6
SQL Generation 132 133
Code Completion 117 118
Code Documentation 129 130
Regex Writing 117 118
CSV / Spreadsheet Cleanup 132 133
JSON Extraction 121 122
Bulk Data Labeling 118 119
Long-Document Summarization 136 137
Short-Form Summarization 113 114
Blog Post Writing 120 121

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

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