What is known
This comparison is specifically GPT-6.1 Sol versus GPT-6 Sol, not every model in either family.
ONE TASK · NO ACCOUNT · INDEPENDENT
Compare paired test results for GPT-6.1 Sol and GPT-6 Sol. Calculate task win rate, latency and cost deltas from your own runs—not an invented benchmark.
BEFORE YOU START
This comparison is specifically GPT-6.1 Sol versus GPT-6 Sol, not every model in either family.
OpenAI documents availability that varies by plan, administrator settings and rollout. The site does not grant access.
Results are your paired observations. One small test does not establish a universal winner; use the same prompt, settings and scoring rubric.
Source review: 8 October 2026. Read sources and uncertainty.
The sample has one GPT-6.1 win, one GPT-6 win and one tie. Illustrative user-scored data, not a model benchmark.