head-to-head

OpenAI: GPT-6.1 Sol Pro vs OpenAI: GPT-6.1 Sol

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-30.

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, both cost $4.50 at current list prices.

Both read up to 1,050,000 tokens at once, roughly 1,575 pages of text.

Across the 18 tasks where they differ, GPT-6.1 Sol on 18 (SQL Generation, Code Review, Code Completion and others).

Pick GPT-6.1 Sol if you need 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.

Task	OpenAI: GPT-6.1 Sol Pro	OpenAI: GPT-6.1 Sol
SQL Generation	132	143
Code Review	132	148
Code Completion	117	119
Code Refactoring	136	149
Bug Fixing	136	152
Unit Test Generation	124	134
Code Documentation	129	137
Regex Writing	117	126
CI/CD Pipelines	120	130
Frontend Component Design	122	132
Data Analysis	124	136
CSV / Spreadsheet Cleanup	132	136
ETL Scripting	128	140
OCR / Document Parsing	131	135
Table Extraction from PDFs	131	135
Long-Document Summarization	136	150
Short-Form Summarization	113	117
Blog Post Writing	120	131

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