OpenAI's GPT-6.1 Sol Nears Astra at Lower Cost
OpenAI released GPT-6.1 Sol at DevDay on September 29, claiming 75%1 on DeepSWE v1.1, roughly matching GPT-6 Astra at about 80%3 lower cost per task. Sol scored 57.0%4 on Terminal-Bench Science 0.1, versus approximately 27.6%5 for GPT-6 Sol, and came within 2.1 points of Astra on OSWorld 2.0.
Why it mattersThe 80%3 per-task saving is company-reported on DeepSWE v1.1; check it against your own token bills from a week of real coding jobs before moving Astra workloads.
Continue reading
